Is having a K&N filter mounted at the TB better than the factory "ram air" set-up? I have the TB mounted filter and I know it's just sucking up hot air....but I think it's still getting more air than the factory set-up. Am I right?

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Alex A. (aka chevyboy)
1992 Z-28 L98/1LE. Heritage Edition. SLP runners, gutted cats, SLP 3" cat-back & muffler. 3" flo-tech cut-out, SLP TB foil, K&N filter @ TB, 3.23 posi rear.

 

IMO flow differences are probably negligible but air temp would be significant.

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Mike

'90 IROC-Z , 5-speed, ZZ4, G1 Trick Flows
Moderator SEThirdgen

 

If you are looking for hard numbers on this topic, you might be hard pressed to find them. Most people don't use the TB mounted K&N's because of that exact reason. If you still have the Z-28 cold air induction (draws air from in front of the radiator) I would put that back on.
A clean set of stock filters inhaling cold air is better than a high flow filter inhaling hot air.

 

Folks have run 10s through the stock camaro TPI snorkel... exactly how much more air do you need?

 

Try this:
http://exit3.i-55.com/~davidlt/air_intake.htm