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Old 08-26-2010, 07:32 PM
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camcojb camcojb is offline
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Originally Posted by 66 II View Post
GregWeld,

I am looking for information on how the eight stack works without an IAC valve (new to fuel injection). How is idle quality and how does the engine react when the AC is switched on?

I saw your post on FAST where you described a problem you were experiencing recently and you mentioned not having an IAC. The FAST tech seemed confused (I assume these are the same folks giving tech support for the Inglese system with the FAST controller...)

Thanks!
Todd
I ran an individual runner setup with FAST, but I ran a remote IAC setup. Worked awesome. Mentioning it in case you weren't aware of the remote mounting options.



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Old 08-26-2010, 08:14 PM
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Forgot to add some other detail info:

My intake manifold is the new INGLESE version that has a huge built in common plenum... The intake runners are individual - but they have a (approx) 1/2" hole leading to the common plenum (they would have little if any reversion thru these). The EZ EFI is also BATCH FIRED. It doesn't require the dual sync distributor (a HUGE PLUS IN MY BOOK)... it just runs a normal distributor... so once you set your timing - just like you would with a carb - you're done. That is assuming you know what you're doing -- and have the advance curve - initial timing - and total timing dialed in. We did this on the engine dyno before I stuck the motor in. Every motor is different -- but this one took 32* total to make best power.... normally I'd have been up at 36* and trying to go more... but the new heads etc just liked 32!

I really like this new manifold because it gives you a good vacuum source for PCV - or power brakes - and for the vac referenced regulator that is REQUIRED. 8 stacks are NOT good sources of vacuum.... since they normally lack the common plenum. If you don't have a common plenum you have to fab one up with some plumbing etc to get a signal from the individual stacks to a common source. That's usually "ugly" and just another source of leaks down the road etc. I really like this new intake! Super simple "fix" for a common (pun intended) problem.
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Old 08-27-2010, 05:30 AM
66 II 66 II is offline
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Thanks a ton for this info! I am saving this as a reference!

I really like the eight stack unit and since I am new to the FI world, wanted to start with the EZ kit. The car is still in progress but has electric fans as well with plans for PS, Hydroboost, and AC. The cam I am considering for the 406 is a Comp XFI grind with 113* LSA.

The fan controller makes sense to lessen the "shock" of the engine when the AC is powered. I will look into that as well.

Thanks again for the detailed reply!
Todd
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