Phenolic Intake Heat Spacer

[94GTMOOSE]

Does anyone use Phenolic Intake Heat Spacer. I have to buy a bolt kit for my gt-40 intake, and saw these. I was seen them before but never heard anything good or bad.

Does anyone have any before and after info?

Is there any real power, or decrease intake temp made from these?

What thickness is better.

what brand is best, trick flow, bbk, FMS

 

[95strokerPSU]

Don't think they really do anything as far as power. The only reason I use a 3/8" spacer is to clear the taller valve covers that I have. It's the Trick Flow one.

 

[KBCobra95]

I use the 1" and the 3/8" spacers for clearance of the VC's. I think it make a little HP by making the runners longer and cooling down the air!

 

[legalize420]

i have the trick flow 3/8 spacer. no gains from it. you will need the egr adapter. maybe even two depending on how big of a spacer.

 

[mo_dingo]

I use the 1" and the 3/8" spacers for clearance of the VC's. I think it make a little HP by making the runners longer and cooling down the air!

Well longer runners make for low end torque, not high end.

But I run mine for clearance as well...pointless for anything else really.
Scott

 

[tjh566]

I have the 3/8" spacer on a gt-40 intake setup and mine rubs the underside of the hood slightly, the black liner has a hole in it from where it's been rubbing. One thing I did notice was that the upper intake is alot cooler now.