I wasn't sure where to put this (maybe TPI?), but I just wanted to ask if anyone noticed a difference with this mod?

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1990 Pontiac Formula 350
Rebuilt 355
COMPCAMS 212/212 .440/.440 cam
Flowmasters 80 series.

I noticed a small difference on my 86 T/A only on real hot days.Car didnt seem to get as sluggish as usual.It wont be a huge difference but for the effort to do it,i recommend it.

I think the TPI board is a better place for this so I am moving it there.

Chuck

I didn't notice much of a diff, although it sure helps on hot days when doing adjustments, etc, not to burn your arms & hands on the plenum.

I have to say I didn't notice a damn bit of difference. But then again I didn't really expect much. It's just one of those mods that you can do yourself just to feel good. I'm sure you gain a bit, not more than a horse or two though.

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"Though I cruise through the valley of Rice I shall fear no turbo, for torque art with me."
--Cullan Hooley
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1985 IROC-Z w/T-tops, 305 out and 350 L98 TPI engine in, Hooker Super Comp Headers, 3" Hooker Super Comp Cat-Back, Dropped Cat, Rebuilt TH700R4 with Shift kit, 2,800RPM Torque Converter, 3.73 Richmond gears, Auburn differential, Accell SuperCoil, Accell 8mm racing wires, BBK AFPR, Homemade Ram-Air (thanks to askulte), MAF screens removed, Dropped A/C, Dropped A.I.R, TB coolant bypass, Hurst Dual-Gate Shifter, SLP Air Foil, K&N filters, Holley performance fuel pump, Spohn Subframe Connectors, Re-located Spohn Lower Control arms, and more to come.