Chevy 350 vacuum lines

May 25, 2018 ... Part 2: how to trace out your vacuum lines ... EMISSIONS , VACUM AND CANISTER DELETE 1985 C10 305/350 ... Chevy/GMC TBI flooding smoking running ...

Chevy 350 vacuum lines. GMC Cars & Trucks. firing order of 265 to 350 chevrolet smallblock v8 animated. Repair Guides Vacuum Diagrams Vacuum Diagrams AutoZone com. This has already been answered .Any google will show many pictures all from this website. 1991 Chevrolet C3500.

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5444 posts · Joined 2008. #3 · May 24, 2016. I have a turbo 350 and I have my vacuum modulator hooked up to a t fitting with my brake booster and it runs fine there but I have had it hooked up in the past on the timed vacuum port which as soon as your open up the throttle it gets vacuum anyways and it worked just fine.1981 Chevy monte carlo 396 BBC .060 over 10.25:1 voodoo 60203, 3:42 Posi GTA rims Holley 750 3310 ... It turns out, there was a 2 inch piece of rubber hose that connected the vacuum line to the vacuum canister on the tranny that was rotted out and it split. I replaced it and the tranny shifted like a dream after that. Perhaps, check the ...I need a vacuum diagram for a 1978 350 chev 1 tonVacuum line diagrams Vacuum line diagrams: there is a vacuum hose coming from theVacuum hose diagram routing chevy vaccum chevrolet sponsored links 1999. Vacuum hose routing diagram chevyHoses emissions 1977 2001 hose chevroletVacuum line diagrams: hi, i need to replace all vacuum lines on my....Stock vacuum line configuration on carburetor should be: - Threaded fitting on the back of Quadrajet, with a hard steel pipe attached to it. The pipe curves up around the throttle bracket and toward the brake booster, and then the rubber line to the booster is attached to it. - Large 3/8" fitting with a nipple on the front of the carburetor.SOURCE: Need vacuum diagram. I can't send you a diagram but I can tell you the basics that should get you mobile. Take a vacuum line from the lower front of your carb and hook it to your distributer vacuum advance. Take another from the front of your carb and run it to your EGR valve. It should be beside the carb on the intake manifold.

The engine should snap right back to a steady 17- 21″hg vacuum. Steady low between 5-10″hg vacuum: This indicates that the engine has a leak in the intake manifold or the intake gasket. Steady low between 10-15″hg vacuum: This reading indicates late valve timing. There's a chance the vehicle has jumped timing.The vacuum diagram for the Chevy 5.7 Vortec engine shows the various vacuum lines and components that make up the system. This diagram is often found on a sticker under the hood, but if it is missing or illegible, it can be found in the vehicle’s service manual. The diagram provides a visual representation of how the vacuum lines are ...1977 350V8 vacuum line diagram - Chevy Message Forum - Restoration and Repair Help. Chevy Forums FREE technical assistance for your restoration and repair. Model specific subject matter experts, classified ads and more.Without the proper manual, it can be very hard to restore these to their original operating conditions but here are some guidelines: The 2 port switches have vacuum (either …Redwood City, California. Srabai47 said: just pick up the diameter hose you need from the auto parts store. Agreed. I broke one vacuum line went to the dealer and got the same replacement part for $14. For $20 I got a whole 25ft roll of rubber vacuum line at the auto store and I can fix any that brake. Mar 11, 2012.A guy can put a three connection vacuum canister in a 5 o 6 line truck and using a vacuum control unit have the identical function. Next port the short one in the middle is where the vapor line from the fuel tank(s) connect. And the last port in the picture it is plugged off that connects to the bowl vent in the carburetor.2024 Upgraded Intake Manifold Vacuum T Fitting 3/8" NPT Thread 1/4" & 3/8" Nipple Steel ZINC for SBC BBC Chevy GMC Olds Cadillac Pontiac Buick Ford. $16.99 $ 16. 99. FREE delivery Apr 22 - 24 . ... 80PCS Vacuum Hose Caps, Connector Assortment 6 Sizes Black Rubber Cap, Automotive Topomatic Replacement Parts for Carburetor Vacuum Plugs, Intake ...

I missed some detail, plus anyone see or know I have something routed wrong or missing, let me know. I know I don't have a vacuum ball in fender. and well wh...2001 hose chevrolet S10 blazer 8l routing Vacuum diagram 350 chevy engine line 1971 lines cutlass hose routing diagrams 1987 1970 repair truck oldsmobile vacum corvette 1973. Loose Vacuum Line Diagram: My Car Has a Loose Vacuum Line That. Vacuum lines diagrams!!! i got them all!!!!! Vacuum hose routing diagram: i need …the carb line goes to a nipple that is between the throttle plates and the choke plate (so it sees high vacuum for cold starts and closes the snout valve) these vac fittings are small, so even open, they do not change the way a car runs that much. Kevin. 69' SS-350 Convert, M20, 3.31 posi.Wadd2. 1556 posts · Joined 2009. #4 · Jun 16, 2015. The purpose of unhooking vacuum to time is so that you're setting the engines mechanical timing with no vacuum advance figured in. Make sure to plug the vacuum hose so you don't have a vacuum leak while doing it. A typical 350 likes 32-38, with 34-36 being the average timing one likes.

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The drivers side port on the front of the carb is "full" manifold vacuum so it would be the same as if attaching the tranny vacuum line to the port on the manifold, behind the rear of the carb base.:thumbsup: Ron. 68 Coupe, 327/350 HP, Muncie 4-speed/Hurst shifter, 12 bolt posi/3.55 gears....Man!, what a ride!:yes::thumbsup:Does anyone have a vacuum line diagram for a 77 w/350? I had prevously thought i had a tranny problem but have recently discovered it to be vacuum lines improperly setup. Thanks Paul:beer: my driveway: 1960 Chevy El Camino 1977 Chevy El Camino Custum 1985 Chevy C10 Silverado 2002 Buick Century(rain and snow driver) …Check this diagrams for 1985 Chevrolet Truck G30 1 ton Van 5.0L 4BL 8cyl (click over pic for zoom)... Fig. 123: 1985 5.0L and 5.7L engines-Federal with automatic transmission (G10, 20 and 30 models) Fig. 126: 1985 5.0L and 5.7L engines-California with automatic transmission (G10, 20 and 30 models) Hope this helps.May 24, 2016 · 5444 posts · Joined 2008. #3 · May 24, 2016. I have a turbo 350 and I have my vacuum modulator hooked up to a t fitting with my brake booster and it runs fine there but I have had it hooked up in the past on the timed vacuum port which as soon as your open up the throttle it gets vacuum anyways and it worked just fine. C3 Tech/Performance - 69 350 vacuum hose to carb and manifold - My 69 350 has had some changes to vacuum hoses routing before I got the car and I am trying to put it back to original. ... 1969, 350, 69, air, chevy, cleaner, corvette, diagrams, engine, fitting, hose, line, photos, routing, vacuum. Back to Subforum. C3 Tech/Performance. View Next ...

there is vacuum from inside the carb that pulls the filtered air it gets from the back of the carb thru the heat crossover, which is then heated and pulled thru the choke coil into the carb. this heats up the coil and opens the choke as much as it needs. this is the best choke setup ever devised, and i would definitely try to get it working ...It is located at the right rear of the transmission near the tail housing. Follow the line forward. It usually attaches to a fitting in the intake behind the carb and in front of the distributor. In this picture the …1981 Chevy monte carlo 396 BBC .060 over 10.25:1 voodoo 60203, 3:42 Posi GTA rims Holley 750 3310 ... It turns out, there was a 2 inch piece of rubber hose that connected the vacuum line to the vacuum canister on the tranny that was rotted out and it split. I replaced it and the tranny shifted like a dream after that. Perhaps, check the ...SecosAutoparts Brake Booster Vacuum Hose Replaces# 1J0612041GD 1J0 612 041GD 1J0612041G Compatible with VW Jetta Golf 1998-2006 Beetle 1999-2005 ALH TDI for AUDI A3 1997-2003. dummy. GM Genuine Parts 176-1731 Power Brake Booster Vacuum Hose. Try again! Details . Added to Cart. Add to Cart . Try again! Details . Added to Cart.The vacuum diagram for a 1979 Chevy 350 engine shows the various components that rely on vacuum pressure in order to function properly. Understanding how vacuum is …350 vacuum diagram I have a 1992 Chevy van 5.7 liter vin K version. i dont know where the vacuum line go. I have no - Chevrolet G20 question. Search Fixya. Browse Categories Answer Questions . Chevrolet G20 Car and Truck ... Need vacuum line diagram for chevy 350 1989 g30 van with pictures. Read full answer. Be the first to answer Feb 04, 2017 ...Look on the passenger side rear (just in front of the rear bolt) and see if there is not a 3/8 tube with a cap on it. If so connect the pcv to there and add the breather cap like stated by darbysan. The modulator was T'd in to the brake booster line, or supplied by the same manifold port, from the factory sometimes.AutoZoneGM Chevy Mid-Size Cars 1964-1988 Repair Guide ... Fig. Fig. 4: 1971 V8 enginevacuum hoses ... Fig. Fig. 12: 1976 350 V8 engine-4bbl with EFE and AIR injection systems .... Fig. Fig. 52: 1980 5.7L V8 engine-automatic transmission federal. images for 1988 Chevy V8 5.7L 350 4bbl vacuum ...593 posts · Joined 2007. #3 · May 28, 2007. Most automotive vacuum hoses use 1/32" smaller id than the od of the hose nipple to make a tight fit. 7/32 on 1/4, 5/32 on 3/16, etc. You can't fix stupid but you can fix ignorance. 62 Chevy II Turbo 6.Ive got an 88 c1500 that I swapped the 350 SBC for a 1995 model 350 SBC and a new TH350 transmission. The truck originally had a 700r4 transmission in it but it went bad so I just put in a 350 turbo tranny. Now, I knew that I had to had some type of vacuum source for the modulator valve on the tranny so I spliced into a line that was running ...

Buy 1968-1982 Corvette Emission & Engine Vacuum Hose Kits online at Zip. Specializing in C3 Chevrolet Corvette Parts since 1977. Same day shipping. No-Hassle Returns. ... 73 350 Auto Engine Vacuum Hose Kit Price: $23.99. Rating: 100%. 1 Review. SKU: ZVA-314. Add to Cart. 73 ...

- Vacuum tree screwed into the intake near the back of the carburetor. This tree provides manifold vacuum to the HVAC, the TH350 and the air cleaner. Carburetor is not part of this set of lines. - Carburetor has three connections:-- Large threaded metal fitting and large hose on the back running over to the Power Brake boosterThe engine should snap right back to a steady 17- 21″hg vacuum. Steady low between 5-10″hg vacuum: This indicates that the engine has a leak in the intake manifold or the intake gasket. Steady low between 10-15″hg vacuum: This reading indicates late valve timing. There's a chance the vehicle has jumped timing.1988 chev k2500 350 tbi vacuum hose routing vacuum line routing - Chevrolet 2500 question. Search Fixya. Browse Categories Answer Questions . Chevrolet 2500 Car and Truck; Chevrolet Car and Truck; Cars & Trucks ... SOURCE: 88 chev,350, stick,2wd, 3500, gas flows to.VACUUM HOSES: DESCRIPTION: The vacuum system uses different sized black rubber hoses. Small hoses have an inside diameter of 5/32", medium 7/32" and large 9/32". The hoses should have colored stripes that correspond to colored paint dots on the vacuum system components. The colors used are red, yellow, green, white and blue. The red hoses are used to close the headlamp doors and the green ...Shop from thousands of parts and accessories to help you restore, maintain, and customize your Chevrolet, GMC, Dodge or Ford truck or SUV. Keep 'em on the road with the right part, right price, right now. ... Brake Booster - Vacuum Type. ... Hose-24" Chevy GMC 88-95 ...Chevy 350 is just what we call that motor because Chevy is the most popular of the gm lines, but really its a GM 350. Having said that, a Buick, Pontiac, Chevy, or Oldsmobile motor are the same ...SOURCE: vaccum hose diagram for 88 chevy truck. it may not be a vacumn leak from a line,check the throttle shaft for movement,for example,i had a 89 1 ton 350 and my throttle shaft was moving around a lot and in order to keep it from idling high,i had to kick the throttle pedal.But also check the idle air control valve,which is the round sensor ...May 21, 2010 · techinspector1. 18069 posts · Joined 2005. #5 · May 22, 2010. Connect the vacuum advance for the distributor directly to the intake manifold, either there is a plug you can use or there will be a fitting at the very back of the carb that is usually used for the power brake booster. You can tee off and use that. Vortec 350 Pulling vacuum through dipstick. ... If there is no breather to atmosphere, usually a hose from the right side air rocker cover to the air cleaner but there is a PCV valve, then the crankcase is under vacuum and if you pull the dipstick there will be a draw of air into the engine. If the config has a breather to the atmosphere by ...The 2020 Chevrolet Silverado is a fabulous choice if you’re searching for a reliable full-size pickup truck. Why? Because the Silverado is ranked in third place on the US News site...

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It helps if you have time to carefully remove the wiring and HVAC vacuum harness, without cutting anything, from the donor vehicle. Logged. 1973 GMC K2500, Super Custom, Camper Special, 350, TH350, NP203, 4.10's. 1974 Chevrolet K10, Custom Deluxe, 350, SM465, NP203, 3.73's. "1) Peace through strength; 2) Trust but verify; 3) Beware of evil in ...The vacuum diagram for the Chevy 5.7 Vortec engine shows the various vacuum lines and components that make up the system. This diagram is often found on a sticker under the hood, but if it is missing or illegible, it can be found in the vehicle’s service manual. The diagram provides a visual representation of how the vacuum lines are ...1994 c3500 tbi vacuum lines identificationCONGRATULATIONS on your Holley® carburetor purchase! We feel that you have purchased the finest performance carburetor manufactured today. Should you need information or parts assistance, please contact our Technical Service Department at 1-270-781-9741, Monday through Friday, 8 a.m. to 5 p.m. CST.Vacuum lines and emissions components The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Register or Log In To remove these ... '84 K20 350/465/208 11-18-2014, 11:41 PM #2: K5owner. Registered User . Join Date: Mar 2014. Location: CA. Posts: 168 Re: Vacuum lines and emissions components ...MANUAL. 151,000 MILES. My truck was purchased with the emission vacuum hoses disconnected and plugged. The diagram on the air cleaner is damaged. I shows HKS. The truck is a 1985 Chevy K20 with the HD LT9/350M motor. I want to hook up the hoses but need a good diagram. The Factory Service manual tells me to look at the sticker.The power brake booster vacuum hose plugs into the center of the rear of the carb at the baseplate. ... 1974 chevy pick up 3/4ton , 350 ,4 barrel.. did tune up .. cap ,rotor, plugs, oilfilter, air filter, fuel filter.. After all that card started foolding for no reason.. replaced carb ...11-14-2003, 01:10 PM. # 1. BillG_69gmc. Registered User. Join Date: Feb 2003. Location: Georgia. Posts: 9. A/C Heat Vacuum Hose Routing. I've finally got around to swapping carbs out and with that I promised myself to reestablish the vacuum lines that control the heat/ac vents.In this video, we finally solve the mystery and I show you where this vacuum line goes on your 91-04 Chevy Blazer, S10, GMC Jimmy, S15 and similar Vehicle. T...Does anyone have a vacuum line diagram for a 77 w/350? I had prevously thought i had a tranny problem but have recently discovered it to be vacuum lines improperly setup. Thanks Paul:beer: my driveway: 1960 Chevy El Camino 1977 Chevy El Camino Custum 1985 Chevy C10 Silverado 2002 Buick Century(rain and snow driver) 2012 Ford Fusion SEL(daily ...68-82 Black 350 Vacuum Line Dress Up ; Base Unit of Measure, KIT ; Net Weight, 0.9 ; Car Years 1, 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 ... ….

Last 2 weeks replacing vacuum hoses on my 79 gmc c10 pickup with 350 4bb and 350 tranny. I should know, i had an 85 s10 pickup with the 2.8l. If it's bad be sure you're buying the correct part for your setup (lmc truck will help there, or rockauto). My last project was a 1974 chevy nova and i only had 3 vacuum lines.Timing and fireing order for 1978 305. Chevy 1978- 305 engine, Bank #1, from front to back is 1-3-5-7 Bank #2, from front to back is 2-4-6-8. The firing order is 1-8-4-3-6-5-7-2. Distributor rotation is clockwise. 8 degrees BTDC.You should always use the under the hood sticker for the propper settings and how to proceed.It's a 1983 Chevy C10 350 V8 After driving a while, it dies and won't restart until it cools. Heat gauge looks OK. A hose from the vacuum reservoir came loose at the other end and is hanging there.The underhood end should mount to a factory installed nipple on the rear of the intake manifold with another piece of rubber vacuum hose. If there is no nipple then plug it into the rear of the carb. If the steel line is missing, then get a piece of brake line and use it. The distance is too far for a piece of rubber hose.At part throttle initial, vacuum, and mechanical advance are all added together. Here is an example: Let's start with 10 degrees of initial timing at idle. We add 18 degrees of mechanical advance at 2,400 RPM for a total of 28 degrees of advance. Now let's add 12 degrees of vacuum advance with engine vacuum at 16 inHg.It should be beside the carb on the intake manifold. At the rear of your carburator there is a large line coming out. It should be steel. It provides vacuum boost to your power brakes. Hook it up. Make sure all other vacuum outlets on the carb and intake are blocked off and you should be able to get mobile. Posted on Jun 06, 2009.Location. Redwood City, California. Srabai47 said: just pick up the diameter hose you need from the auto parts store. Agreed. I broke one vacuum line went to the dealer and got the same replacement part for $14. For $20 I got a whole 25ft roll of rubber vacuum line at the auto store and I can fix any that brake.It should be beside the carb on the intake manifold. At the rear of your carburator there is a large line coming out. It should be steel. It provides vacuum boost to your power brakes. Hook it up. Make sure all other vacuum outlets on the carb and intake are blocked off and you should be able to get mobile. Posted on Jun 06, 2009.Spark Control Vacuum Hose Kit 300 & 350 HP: Part #570060: $11.00: Add to Cart 1970: Spark Control Vacuum Hose Kit 390: Part #570010: $12.00: Add to Cart 1970: Spark Control Vacuum Hose Kit LT-1: Part #570011: $15.00: Add to Cart 1971: Spark Control Vacuum Hose Kit 330 LT-1: Part #570012: $15.00: Add to Cart 1971: Spark Control Vacuum Hose Kit ... Chevy 350 vacuum lines, Find Vacuum Lines Power brake booster Vacuum Line Position and get Free Shipping on Orders Over $109 at Summit Racing! ... Vacuum Lines, Power Brake Booster Vacuum Hose, Rubber, Chevrolet, GMC, Each. Part Number: ADO-176-1641. Not Yet Reviewed. Estimated Ship Date: Jun 12, 2024 if ordered today. Special Order, 1984 chevy: the cruise control servo vacuum line diagram or picture…. I have a 1984 chevy C10 with a 305ci and am looking for the cruise control servo vacuum line diagram or picture. During restoration of the truck I removed it and now have forgotten which lines go where. Ah, perfect, your a life saver. I'll run the lines when I get home tonight., Ended up with some weird vacuum line that melted, swelled up and fell off causing some running issues, Can anyone recommend a PCV valve part number for a stock 350 Chevy that doesn't pull vacuum at idle. Two I tried pull so much vacuum at idle, the engine stalls when I put the trans in gear, like a big vacuum leak. I suspected one may be defective so I replaced it with a new one, but it's basically doing the same thing., The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: 350 Air Cleaner Vacuum Line Photo Needed Web 67-72chevytrucks.com: User Name: Remember Me? Password: Home: Forums: Gallery: Site Merchandise: Register: FAQ: Members List: Subscribe: Calendar, Looking for a diagram of the vacuum lines from carburetor to what they attached to on the engine? Thursday, October 8th, 2009 AT 9:43 AM. 1 Reply. JDL MECHANIC; 16,098 POSTS; Check out the diagrams (Below). ... Engine Mechanical Problem 1986 Chevy Caprice 6 Cyl Two Wheel Drive Automatic Are All 4.3l Throttle Bodies In A 1986 Gm The Same?..., Just hook up the main fuel vapor canister hose to the back of the carb or the NPT threaded manifold vacuum port between the carb and the distributor and plug the other canister hoses, or just rip out the canister altogether and plug the hose going back to the tank. If you need a fuel return line to your tank, just get a '73 vette fuel pump ..., Shop 350 Chevy Small Block V8, Thermostats, Housings, Outlets, Hoses and get Free Shipping on orders over $149 at Speedway Motors. ... Chevy Straight Water Neck & 180 Degree High Flow Thermostat (1) Material Type: Aluminum. Finish: Polished. Hardware Included: Yes. $47.99 /kit. $54.99. Add to Cart-9%., Apr 2, 2009 · 764 posts · Joined 2007. #5 · Apr 2, 2009. there are two large vacuum ports on your carb. One in front and one in back, the one in front is for PCV and the one in back is for your power brake booster. The tranny vacuum line typically connects to a port on the manifold, not the carb. (there should be some type of tapped hole that leads into ... , Vacuum lines on a Chevy 350 . Hey Guys, Quick question here. While replacing my thermostat, i happened to break off a vacuum line going to the top of the t-stat housing. It was the only line running to it (there there were slots for 4 more) I traced it back to round cylinder type thing on the driver side up by the headlights. The specific ..., Andy Phillips shows an easy method to fix a broken vacuum line on your vehicle. Save the money on having to replace the entire line by learning this quick an..., Spark Control Vacuum Hose Kit 300 & 350 HP: Part #570060: $11.00: Add to Cart 1970: Spark Control Vacuum Hose Kit 390: Part #570010: $12.00: Add to Cart 1970: Spark Control Vacuum Hose Kit LT-1: Part #570011: $15.00: Add to Cart 1971: Spark Control Vacuum Hose Kit 330 LT-1: Part #570012: $15.00: Add to Cart 1971: Spark Control Vacuum Hose Kit ..., In this video I install the rochester 2 barrel carburetor on a chevy 350. I talk about the vacuum advance and how it needs ported vacuum, I talk about the ga..., If its not a restoration any Kit will do. Most of the major Vendors sell the above kit if you tell them what your doing. Some of the more detailed diagrams have the Hoses wrong for the 80-82 at the headlights. The 80-82's have the Vacume cans opposite. The left can is on the right and the right is on the left., Sep 7, 2022 · The vacuum line diagram for the turbo 350 transmission is pretty simple. There are only a few lines that you need to worry about. The first line goes from the vacuum port on the transmission to the vacuum modulator. This line is used to control the shift points of the transmission. The second line goes from the modulator to the vacuum canister. , I have a 1977 350 with 350TH trans. I am looking for a good diagram and description of the vacuum lines on the motor. It has the quadrajet carb, all original. I'm …, 1972 C10 350 Quadrajet Engine Vacuum Lines The 1967 - 1972 Chevrolet & GMC Pickups Message Board Register or Log In To remove these ... '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA 03-12-2022, 11:40 PM #11: towbar. Registered User ..., Just run a vacuum hose from the modulator to the intake or too the carb at the baseplate. "the Special" SBC 355/TH350/12 bolt 3.90 posi Best motor pass - 12.58 @ 107mph, I swapped a 4bbl onto the 350 in my 74 but I still have the original 2bbl intake/carb sitting in the garage. The vacuum hoses on it are hooked up as follows: One of the two small ports on the back of the carb has a short hose that goes to the choke pull-off on the carb. The other small port has a longer hose that goes up to the ThermAC air …, Re: 1983 quadrajet vacuum connections. « Reply #12 on: March 20, 2009, 09:02:54 PM ». Stewart is correct about the green B. It is the TVS. It controls quite a bit of stuff and activates when the thermostadt opens, signaling that the engine is warm. I changed mine when i put in my 383. They run about $20., The vacuum diagram for a 1979 Chevy 350 engine shows the various components that rely on vacuum pressure in order to function properly. Understanding how vacuum is distributed and used in the engine can help diagnose and troubleshoot issues with performance and fuel efficiency., Hello, I have a 1977 350 with 350TH trans. I am looking for a good diagram and description of the vacuum lines on the motor. It has the quadrajet carb, all original. I'm getting a rough idle and want to make sure the previous owner hooked everything up correctly. I also have to change a vacuum line in the winter to get the heater to work., Access our free Vacuum Diagrams Repair Guide for GM Full-Size Trucks 1988-1998 through AutoZone Rewards. These diagrams include: Fig. 1: 1988-89 (VIN Z) C/K series with 4.3L, The vacuum lines on a 1987 Chevy S10 Blazer are responsible for routing vacuum to various components such as the brake booster, EGR valve, and other systems. A vacuum line diagram for your specific make and model of Chevy S10 Blazer can be found in the vehicle's service manual or in some cases, it can be found under the hood on a decal or sticker., Hey gents, Currently trying to raise my part throttle shift points on my th350. It’s shifts to second very early and into third almost immediately after. I’m aware of the modulator adjustment and the changing of weights and springs. I’ve played around with both with no success. With that being said, here’s something I’m going to try., These diagrams include: Fig. 1: Vacuum hose schematic-1980. Fig. 2: Vacuum hose schematic-1980. Fig. 3: Vacuum hose schematic-1980. Fig. 4: Vacuum hose schematic-1980. Fig. 5: Vacuum hose schematic-1980. Fig. 6: Vacuum hose schematic-1980. Access our GM Full-Size Trucks 1980-1987 Vacuum Diagrams Repair Guide by creating an account or signing ..., Ended up with the port vacuum capped off and the spark advance and air cleaner things hooked to manifold vacuum; the Spark Control Switch is now completely bipassed. I adjusted timing with a vacuum gauge (don't own a timing light) to get the highest reading from 15" of Hg to 20", then down about 1" to avoid ping under load., Here is standard load capacity. Here is the heavy duty emissions diagram. Wrenchtech. Category: Chevy. Satisfied Customers: 1,403. Experience: 40 years experience with ASE certification as Master Technician with L1--Repair Shop Owner. Verified. Wrenchtech and 87 other Chevy Specialists are ready to help you., Chilton's General Motors Chevy Full Size. Book# 28420 has the carb vac lines in it, page 4-28.:biggrin: Sorry I do not have a way to scan and send it to you.:frown: ... #8 · Oct 18, 2009. LM1 1978 350 V8 4 bbl carb vacuum routing diagram I've got a copy of this book too. Here's the page Kenny's talking about; the bottom diagram is for our engines:, Chevrolet Suburban 1500 I have a 1985 Chevy Suburban Silverado. I have a 1985 Chevy Suburban Silverado and I am trying to replace some vacuum lines on this truck i just bout. the people that owned it before me had … read more. Eric. 57,157 satisfied customers., 35,251. Location. 818-953-9230. Website. www.marksoffroad.net. Jun 23, 2005. #4. Depending on what you need the vacuum source for, you might be able to T into the line for your brake booster as well. A carbureted man in a fuel injected world. my website: www.marksoffroad.net., This preformed engine line will replace the vacuum advance line running from the vacuum source to the vacuum advance canister. Our replacement lines are engineered from factory original lines, CNC manufactured for precision, and include the correct fittings and flares (where equipped). Details. SKU: CTT72B6;, Get the Best Performance with JEGS Transmission Vacuum Modulator for GM 1963-1990 TH350/TH400 [Adjustable] 62068 parts at JEGS. ... Transmission Vacuum Line for 1969-1972 Chevrolet Chevelle, El Camino, Malibu w/TH350 Trans. - RH Vac. Mod. [Steel] ... Eliminates the need to replace pumps with worn boresMachined for full-time line to lubeThe ...