View Poll Results: Which is best for my setup in my 98Z28 A4
Voters: 35. You may not vote on this poll
POLL: Intake manifold on my setup
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From: Forreston, IL
POLL: Intake manifold on my setup This car will see regular weekend track duty, but remain street driven on occasion.
The setup will be as follows:
iron 408 (all forged and studded)
9.5:1 compression
AFR 225's
single t-76 or t-80 @ aprox 10-12 psi
MAX RPM 7000, AND SHIFTED@ 6200-6500 RPM
Cam is still unknown
I know that there are pro's and con's for all of the choices here, but I am looking for what would give me the best performance for my setup for what I will be using the car for. I know the fast 92 flows a lot of air, and is great for the low and midrange. It is also good for the rpm range I would like to be in, but not sure what design is going to give me the best results for my application.
PLEASE COMMENT ON WHY YOU MADE THE CHOICE YOU DID
The setup will be as follows:
iron 408 (all forged and studded)
9.5:1 compression
AFR 225's
single t-76 or t-80 @ aprox 10-12 psi
MAX RPM 7000, AND SHIFTED@ 6200-6500 RPM
Cam is still unknown
I know that there are pro's and con's for all of the choices here, but I am looking for what would give me the best performance for my setup for what I will be using the car for. I know the fast 92 flows a lot of air, and is great for the low and midrange. It is also good for the rpm range I would like to be in, but not sure what design is going to give me the best results for my application.
PLEASE COMMENT ON WHY YOU MADE THE CHOICE YOU DID
Last edited by exodus; Jan 9, 2009 at 03:33 AM. Reason: ADDED LAST LINE
Thread Starter
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From: Forreston, IL
I like to hear why you voted the way you did, please post a comment up after you vote.
The people that are using the Edelbrock intake on a boosted application, are you having any issues with gaskets?
The people that are using the Edelbrock intake on a boosted application, are you having any issues with gaskets?
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For your large cube application, the single planes such as the victor and the GMPP carb style intake manifolds work very nicely. The only real downfall to them is that smaller cube aps don't move enough air to keep the velocity up at lower rpms. They get a bad wrap from people who put them on a HCI stock cube car because they're simply too much. You're semi-big inch, and you'll be boosted, and thats where those manifolds really shine. Plus FAST wants entirely too much for a manifold that won't out do the much cheaper single plane.
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From: NC
Absolutely. Ever see a 1000 horsepower forced induction car with stock heads and intake? Things like pressure drop, turbulence, velocity and charged air temperature are all affected by intake manifold design and composition.
They both count just as much as with an N/A engine. Remember that air will always want to follow a straight line as path of least resistance. When you have heads with poorly designed runners, steep short turn radii, small intake runners with inefficient design, etc., all the boost in the world won't make up for what an engine that breathes efficiently will do to you on the track.
Thread Starter
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From: Forreston, IL
Seems to be pretty one sided. That's good, makes for an easy deciscion. Board hasen't let me down yet.........not going against the majority here either. VICTOR JR. IT IS! Thank you everyone for voting and commenting your opinions.
