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Whipple intercooling. Or dont???

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Old Jan 3, 2009 | 09:18 PM
  #11  
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What did you use for a fuel rail? I just looked at your pics and any other things you ran into using the carb'd intake?
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Old Jan 3, 2009 | 09:22 PM
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It's an EFI intake. I used their fuel rail, I don't think anything else will work.
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Old Jan 3, 2009 | 09:24 PM
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You must have the single-belt kit. On that version of the kit the front hub of the compressor has to fit within the internal diameter of the pulley, so that is the factor that limits diameter.
To run a speed desity tune you would nee a 2-bar MAP sensor. In Whipple applications the MAF stays on the inlet side of the compressor, so it never sees air above atmospheric pressure.
Your concern about "manifold volume" between the TB and intake valves is a valid one. The increased volume of air does affect throttle response and transients, but not to the extent you might think. The biggest concern with MAF placement and this extra volume is not on a throttle up where it would tend to be rich, but on a throttle down where the TB snaps shut and MAF sees almost nothing while the rest of the air in the plumbing is sucked down. You can prevent the momentary lean condition from causing a problem by decreasing timing in the higher RPM for the closed throttle table.
In my opinion you're not going to need speed-density (unless you're winding your engine up to 7500RPM). I don't see a single belt 2.3L Gen-III Whipple system making enough flow to max the MAF.
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Old Jan 3, 2009 | 09:35 PM
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You've been looking the wrong way, then. I and many others maxed theirs with a stock 6.0.
Also, thanks for reminding me, James: I probably have the largest between blower and engine volume that I've seen, and I would challenge anybody to notice any "turbo lag".
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Old Jan 3, 2009 | 09:36 PM
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Originally Posted by MikeGyver
It's an EFI intake. I used their fuel rail, I don't think anything else will work.

Have a part number for me so I can check em out? Looked like a carb'd one in the pics is all. Looks like it would work awesome though for intercooling.
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Old Jan 3, 2009 | 09:38 PM
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Or maybe I wasn't maxing it, just advised to get 2-bar SD?
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Old Jan 3, 2009 | 09:41 PM
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http://www.edelbrock.com/automotive_...fi_chevy.shtml

#29085
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Old Jan 3, 2009 | 09:59 PM
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So lets just say I get that intake, get an A2W intercooler which I would just keep mounted toward the drivers side of the engine and get rid of my alky kit, would I be at the same power? Or maybe a little more? And would getting an aftermarket MAF help me or just keep what I got?
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Old Jan 3, 2009 | 10:23 PM
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Keep your MAF, and with a retune (Which you will getting since you're adding alky), you'll be very pleased with the extra power. Not just a little more.
Oh, I read it wrong, you'll be losing the alky. Somebody else will have to answer how much improvement I/C w/no alky will give over alky.

Last edited by MikeGyver; Jan 3, 2009 at 10:27 PM. Reason: Oh,I read...
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Old Jan 3, 2009 | 11:23 PM
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Going the SD route does eliminate some of the rich / lean conditions that will be present when running a MAF. Throttle response is better as well. How a SD tune requires more attention due to changing weather conditions.
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