Carb Vacuum Line Question

Still have a question or concern? UPS and FedEx provide delivery dates, USPS usually does not but they take no longer than 5 business days. This information when compared to the transmission's internal governor tells the transmission when to shift. The vacuum lines to the transmission tell the transmission's vacuum modulator how hard the engine is working. The other valve cover has a breather on it. Vacuum Lines Connection - Holley Motor Life. Parts must be in new condition.

1. Transmission vacuum line to carb kit
2. Transmission vacuum line to carb repair
3. Transmission vacuum line to carb conversion kit
4. Transmission vacuum line to carb conversion
5. Vacuum line from carb to transmission

Transmission Vacuum Line To Carb Kit

All I know is what I've seen on the warranty and instruction sheets for power brake boosters. Joined: Nov/03/2010. Carburetor installation. Low vacuum means it's working hard, because you have the throttle open more, high vacuum indicates the engine is not working hard because the throttle is closed more. The transmission has a modulator which helps the transmission decide when to upshift. In fact, when you replace a power brake booster, the manufacturer will state in their warranty that the warranty is VOID if the trans modulator is not also replaced, so as to preclude the possibility that trans fluid caused the failure of the power brake booster that you replaced. This is ancient history to me but I believe the reason for 2 vacuum lines was because Ford used a dual-diaphragm modulator valve that was supposed to help shifts and in turn aid emissions. I will plug them both. Transmission vacuum line to carb conversion. Learned a lot from pin head and fj40 Jim. I'm going to change them all for new anyway.

Transmission Vacuum Line To Carb Repair

I recall the temp vac distribution center sticking out of the thermostat housing as well as the vac switch in the heater hose. We offer 30 days return of 100% purchase price for defective items. Used to affect the ignition timing. Vacuum Line Configuration on 302 V8 Ford Truck - Maintenance/Repairs. WE ARE DOING OUR BEST TO FILL ORDERS COMPLETE, BUT THERE IS STILL SUPPLY CHAIN ISSUES AND SOME PARTS MAY NOT BE AVIALABLE WHEN ORDERED. Quote: For the vacuum advance line, you want to grab ported vacuum. So please place your order online and we will notify you when it is ready for pick up. I had a 72 ford pu untill 1990, never recall messing with the vacuum lines.

Transmission Vacuum Line To Carb Conversion Kit

The big port on the carb is for the pcv from one valve cover. On my 72 I have a 350 with a 750 Holley doubler pumper with a Victor Jr. Intake which does not have a location to use a Vaccum fitting. One from the intake manifold, and one from the carb base? Location: Sugar Hill GA. EPA kept raising the bar on emissions and fuel mileage and still do. A government agency established in 1970 that has grown from a mouse into an elephant will never admit they have accomplished their goal and are no longer needed as regards internal combustion engines. I also used the stock manifold port for my modulator line. Vacuum line from carb to transmission. I know the distributor vacuum advance should be were the transmission hose is now but I have no clue where the trannsmission hoses should be hooked? I'll have to crawl under there at next opportunity and see exactly where that second vacuum line goes.

Transmission Vacuum Line To Carb Conversion

This type of thing was common back in the day. Thanks @JayWB … I'm aware that there's a vacuum line input to the C4 transmission from the intake manifold, for use by the vacuum modulator or vacuum valve I think is what Ford calls it. On a few cars the intermediate lines will connect to the rear wheels. I always use reinforced rubber hose vs. the "window washer" hose.

Vacuum Line From Carb To Transmission

D Payne AMO 2834 ( Expired) NAMDRA 3770. Why the involvement with the transmission? Are you running an air cleaner spacer? Join Date: Sep 2007.

He was saying the bottom port would be suck air through the fitting at the air horn if I left that hose on there causing a vacuum leak. Yeah, there is no way I was going to leave that top one open. Transmission vacuum line to carb repair. Thermo or time operated valves were also used to lockout the overdrive function of a transmission, lock out the secondaries of both 2 or 4 barrel carburetors, prevent EGR operation during engine warmup, etc, etc. Does it have s threaded port in the rear where you can add a vaccum port? But I see nothing about that in the C4 Workshop book. How about when you have a backfire: stuff goes out from the manifold instead of being sucked in.

The fitting at the bottom of the air horn would not cause a vacuum leak, but if it is not capped or utilized to provide filtered air to the choke as you have it connected, it could allow particulate dirt to enter the engine. I ground out a bit of the top of it to clear my Holley 3310 before I put a spacer underneath it. I was talking to a friend the other day and he said the hose running from the base to the air horn would cause a vacuum leak and I should plug them both unless I can route the air horn one through the air filter. What should I use for a tranny vacuum modulator line. All lines come Pre-Bent and flared with the correct threaded fittings which reduces your install time tremendously.

3, (my daily driver). Returns over 30 days may be accepted at a discounted price & offered store credit. Those would drive a man to drinking very quickly. Supporter of TheAMCForum. Low, Quiet and Lovely: Legacy EV's Cadillac Droptop.