Chevy 350 vacuum lines

Chevrolet Suburban 1500 I have a 1985 Chevy Suburban Silver

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 …Put a vacuum gauge on the manifold fitting and read what you have. Should be at least 14-18 inches of vacuum. After that if that fixes the brake problem then find a vacuum source that is full vacuum at idle off the carb. Then install the trans line to it. The fitting on the manifold is 3/8", will try it.

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Nov 8, 2012 · 350/5.7. The actuating line for the TH350 modulator can go either straight to the intake manifold (there's usualy a tap point right behind the carb mount) or to an up-ported tap on the q-jet. Vacuum advance line comes from the factory hooked up to a manifold port on the Q-jet but there are many different views on that. The vacuum line diagram for a Chevy 350 engine shows the routing of the vacuum lines and the connections between the different components. It provides a visual guide for car owners and mechanics to follow when inspecting or repairing the vacuum system.Truck Year. 2003. Truck Model. K10 Burb Z71. Engine Size. 5.3. Looks to be the lines for the EGR. You can easily return it to the way it should be but there may be a reason it was done. Once you reconnect it you may need to do some trouble shooting of the EGR system.I need a full picture diagram of where the vacuum lines go to on a 1983 chevy 350 chevy engine with a 4 barrel carb no vac advanced on distributor. Posted by johanna davis on Oct 01, 2016. SOURCE: where does the vacuum advance line go on an old rochestor carb. Get a tee fitting for the size of the vaccum line and connect the advanced line into ...At its core, the Chevy 350 Quadrajet vacuum diagram consists of various hoses and lines that connect the carburetor to other engine components. These hoses and lines carry vacuum signals from the engine to the carburetor, controlling various functions such as the choke operation, EGR system, and idle mixture adjustment.May 7, 2013 · Hello all, I need some help on how to properly run the vacuum lines on my new motor. I recently got a 1987 Chevy 350, with a holley 600 carb put in my malibu. I have the vacuum advance, transmission vacuum line, brake booster, and pcv lines to put on. I dont know exactly how to route them... 1876 posts · Joined 2004. #4 · Feb 6, 2009. Hi 7T4-SOA, I have several old manuals but the vacuum hose routing diagrams in them only date back to 75 or 76. I don't know if GM even published diagrams for the earlier years. I swapped a 4bbl onto the 350 in my 74 but I still have the original 2bbl intake/carb sitting in the garage.Replacements Of Original. Fits Turbo 350, Left Side Modulator. Stainless Steel Construction. Factory Style Line. Maximum Corrosion Resistance. These El Camino replacement transmission lines have been manufactured to meet or exceed factory specifications and performance. You will find the fit and function will work perfectly for …165 posts · Joined 2008. #8 · Jul 26, 2009. If you look at number 25 on the jpeg file I uploaded on the bottom of that T on #25 The manual just states its a Valve secondary injection. Though there is a vacuum hose there that I have no idea where it goes. Hope this help. I would have taken a picture of the engine but I just put the tranny …Jun 3, 2008 · This will work for 1986 and below, the 2 link is for 700R4 transmissions. Doing these two mods will remove:ESC and wiring through the firewall, EGR, EGR bleed solenoid and wiring, two TVS (thermal vacuum switches) and 99% of the hard/ rubber vacuum lines. This will basically restore your truck to pre emission. David Hall, Mar 1, 2009. Using manifold vacuum advance will add 10-20º of extra advance at idle and the engine speeds up a lot. Nail the throttle and that extra 20º timing drops away and a bog will probably occur. That is why there is ported advance as the port is exposed when the engine approaches about 1,000 rpm while driving, giving the extra timing as needed.7433 posts · Joined 2003. #1 · Apr 8, 2008. Just finished installing my rebuilt holley on a 66 396/360hp. With engine fully warmed-up and idling at 700 rpm, advanced 8 degrees and stock 66 distributor and vacuum advance unit. When adjusting the idle mixture screws that vacuum guage read 12. While going down the road at a steady 2400rpm the ...I put a 350/350 combo in my 56 chevy. I now need to hook up the line for the tranny vacuum modulator. So I thought I would run a hard line with two rubber lines on the end, the only problem is the nipple coming off the vacuum modulator looks like 3/8 and the line on the carb is much much smaller.The torque specifications for Chevrolet 350 cubic inch V8 head bolts are 65 foot-pounds per bolt if securing the stock cast iron head. Aftermarket aluminium heads have unique torqu...first thing to do is to see if the vacuum pump at the back of the motor has any vacuum,, ( the thing at the back of the motor where the distributor usually goes).. if it does chase the hoses and make sure there is vacuum to anyplace that that Main vacuum hoses connect to,, look for broken lines,cracked T's and so forth,, there is a vacuum line ...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 ...Ac trouble. 2011 Chevrolet Express Van 3500. Replaced vacuum lines from reservoir and manifold. Replace blend door - Answered by a verified Chevy Mechanic ... 2011 Chev Express Van 3500. No AC. Found two bad vacuum lines, one from manifold and one going to vacuum reservoir. ... it should be 30 to 40psi on low and 275 to 350 on high side The ...The line comes off the vacuum tee on the intake Need vacuum line diagram for 1989 chevy 350 g30 2. Attach your vacuum gauge and start your vehicle's engine. Allow your car to idle for a couple of minutes. Your gauge should read between 14 and 18 inches of vacuum. If the reading is low or non-existent, there's a blockage or leak in the vacuum line. Visually check the entire length of the hose for the problem. Last 2 weeks replacing vacuum hoses on my 79 The smog pump should be putting air into the exhaust at partial throttle, but not upon decel. If passing a smog check is not needed, forget all this.. rip out all the vacuum switches, disconnect the egr, hook the dist vacuum advance straight to the carb and take the belt off the smog pump. 3. Re: 87 chevy 350 r10 tbi vacuum diagram? «

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 ...There is usually only one vacuum connection on a turbo 350. It connects to the modulator valve on the side of the transmission. This valve uses engine vacuum to determine transmission shift points. The other end usually connects to a engine vacuum source. A "direct source" is a hose connection on the throttle body that has a vacuum signal ...I've got a 1972 C10 with 350 and Rochester Quadrajet. I've looked but can't find my set up for the engine vacuum lines. I'm guessing most of the original stuff gets …Vacuum lines diagrams!!! i got them allBasic chevy 350 vacuum diagram photo by jpdodge150 Vacuum line routing recommendationVacuum routing diagram for 1984 chevy 1 ton van. 350 4bbl.automatic. Chevy van 350 engine diagramChevy 350 transmission vacuum diagram 48+ tbi 350 egr vacuum diagram gifVacuum 350 chevy diagram photobucket basic.

1965-1982 Vacuum Fitting; 1968-1972 Oil Filler & Filter; 1968-1979 Small Block Oil & Filter; 1968 3 x 2 Oil Pressure Line; 1969-1973 Small Block Oil Pressure Line; 1969-1973 Big Block Oil Pressure Line; 1971-1979 Oil Dipstick & Filter; Automatic Transmission. 1956-1982 Flywheel & Underpan; 1962-1968 Pulleys - Fuel Injection; 1965-1974 Big Block ...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.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 ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. The schematic I'm looking at (76-85 A/C vacuu. Possible cause: As vacuum drops with high load, this changes the position of the vacuum.

Re: Vacuum Lines on 305 Engine. « Reply #9 on: July 21, 2016, 09:23:58 AM ». The blue/black check valve is correctly connected to the TCC switch on the firewall (above). Cap the vacuum nipple that used to connect to the EFE (below). There shouldn't be a check valve in the tip-in switch vacuum line, so you are okay there.I need to find a vacuum hose diagram for a 1984 chevy caprice classic. the vacuum hose should be linked from intake manifold to thebrake booster on brakes as well as to the side of the gearbox onthe vacuum canister. should any one leak there will be a misfire or no vavuum for brakes. Feb 22, 2009 • 1984 Chevrolet Chevy.This is a stock new rebuilt 350, stock cam, Edlebrock 2101, rochester q-jet. Unplugged my vacuum advance and plugged the vacuum port on the carb and then set the initial timing to 6 degrees advanced at 600rpms. I then removed the plug from the port on the carb and plugged in my vacuum gauge. in park, at 600rmps the engine pulls 15"

1 Answer. SOURCE: 1977 chevy corvette wiring diagram. Where do I find the fuse for dash board lights. I wish to buy a few. Posted on Aug 03, 2009. Anonymous. 46 Answers. SOURCE: i need a vacuum line diagram. Use a industrial vacume tester, check each port coming off of the manifold, run your lines.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.

I put a 350/350 combo in my 56 chevy. I now need to ho number9. 566 posts · Joined 2009. #12 · Sep 26, 2014. robpp said: fwiw here are some pics of my bone stock 69 350 350. my vacuum advance is fed from the front of the carb via a steel and rubber line. the T: right goes to the Brake booster. left (steel line) goes to kickdown. rear facing is not connected just blocked. Vacuum line diagram for chevy 350 engine with 4 bbl holley cLearn More: https://www.holley.com/support/c 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. May 21, 2010 · techinspector1. 18069 posts · Joined 2005 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 ... Vacuum Lines For Chevy, Dodge, Ford, & Registered User. Join Date: Sep 2010. Locat79 chevy 350 vacuum line and plug ID. Here 27 posts · Joined 2012. #1 · Nov 12, 2012. Hi got an 06 f250 6.0, im having problems with the vacuum lines, i have had the cab off to do heads and gaskets and i seem to misplaced a vacuum line i have one unhooked off of the vacuum reservoir, also only my defrost is blowing heat and front end is spinning in 2wd, i cant find a diagram anywhere ... A Chevy 350 Quadrajet vacuum diagram breaks down the different components and their connections, providing a visual representation of how the vacuum lines are routed. This can be particularly useful for those who are troubleshooting issues related to vacuum leaks or need to replace damaged or worn-out vacuum lines. Re: 1977 350V8 vacuum line diagram 01-14 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 ... sbvelleman said: The vacuum canister has Right Stuff Transmission Vacuum Line 1969-72 Chevy Bel Air, Biscay Posted on Feb 21, 2010. SOURCE: need vacuum line diagram for 1990 Chevy Silverado. The vacuum diagram for the truck should be printed on a factory sticker right next to the hood latch inside the engine compartment. If its missing or ruined you could try looking inside a Chilton or Haynes manual.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 ...