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For a MW motor you need the plenum volume of the indy. They come up used for $600-800 once in a while.

Its a float spring...if it springs send it. Theoretically they should be the same as 3r said above. If....the front float was brass and rear nitrile would the weight difference necessitate a specific spring for each? The job it is doing is rudimentary and the spring is mostly working against...

Yep hood clearance is an issue lol

CFE used to make a similar model as this one: https://www.summitracing.com/parts/nxo-00-49003?rrec=true This size works well, especially one on each side of the plenum on a t-ram. That said, many people have run large plenum manifolds and done nothing. I like safety precautions that...

I install two spring loaded burst plates on my bigger manifolds (tunnel ram, big single plane etc). The need to be adequately sized unlike some of the postage stamp sized units contained in a spacer. If it was me I would be running something with annular boosters and a relatively lean...

A few models you can use:

I drive my car on the stree year round as weather permits. The Aeroquip Push-lok is my all time favorite, especially after I bought and assembly tool from Kool Tools. If you are running an electric pump I suggest a low fuel pressure switch interrupting the ground on the swithcing side of the...

Food for thought

The only differences between an off road carb and regular carb are the following: -Transfer tube between bowl vents (holley) -check balls in the emulsion wells of metering block (holley) -spring loaded needle and seat (holley & edelbrock) In my experience they are okay. The holley can be a...

I would drill a new one out and weld or solder in new tubes with the sending unit parts removed. That or weld AN -6 bungs or bulkheads. Not sure if two bulkhead fittings would fit in that space with the sending unit connection.

There just wasn't enough fuel volume with the Edelbrock mechanical pump for the "stock 383" and a 200 shot. I know...you don't have to say it. This project wasn't going to get out of control...and then it did!

There is a regulator for the carb, one for the nitrous and the one on the end sets the return pressure. The in tank pump operates at EFI pressures and therefore must be regulated way down for a carbureted application.

I ditched the mechanical pump for an Aeromotive stealth tank with a 340LPH pump. It required a return style regulator setup with my particular fuel system. They make A, B and E body tanks. We made the spacer for the tank to help with any vibration. It wasn't 100% necessary.

I bought a stainless version of that for $65 on ebay. It's a nice part however I would remove the sock (it is crimped on).

Spring, 4150 secondary throttle return. Carburetor Parts [381762] - $0.69 : BLP, Xtreme Performance Made In USA

I usually end up between 73-80 on the IABs.

Your turn to empty thy pm boc doc : )

Likely the 6.5 was leaking and the 3.5 was not. A properly functioning power valve will not effect the idle circuit. I can show you guys more on this when we put my GTS on the chassis dyno. Just need to find an 850 dp to test with first.

The power valve reading has to do with cruise vaccum NOT idle vaccum. The power valve is closed at idle due to low booster signal. Holley has had this screwed up for years.

I had to replace the needle and seat assemblys on several QF carbs from Slayer 750 to a 1050 Q series. If the floats are creeping at or less than 5.5 psi fuel pressure the n&s or float has issues. Check the floats to ensure they are not sticky. Also ensure that there is a notched float if the...

The area where the needle contacts the carb main body is weak and can crack. Look closely. I never could get the original AVS to run as smooth as a Holley 750 on the 383 in my 68 GTS. I drilled out the idle mixture screws which were hopelessly stuck and replaced them with the typical mixture...

Looking at your video I see a lot of dirt and crusty stuff near the air bleed. You need to rebuild this thing with a kit. What is the make/model # of the carb? I

Do the floats float? They look mashed in like somebody blew compressed air into the bowl vents.