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Bryan in case I was unclear, having reread the rules it seems they are written in a way that would allow an LS style airbox to be run with an LT1.



I was hung up on OEM stock location, but...

Bear in mind for something that questionable I would require data to allow it, but if the data supports it then it is what it is. My point is that I don't like the idea that something can be deemed...

Absolutely. You'll be set for the first 2 turns and after that you'll overheat and get your doors sucked off. :p Or dyno with the AC on, run with it off.

It's clear that some believe blowing cold air in the direction of a cone filter could be construed as ram air. I believe cold air is within the intent of the rules and would hate to see a racer get...

Perhaps an RCR is in order where we specify that a ram air appearing intake must prove via data that it is not boosting air pressure in the intake above atmospheric. I've never logged a motor with a...

That and I relocated the ground that came loose in R4. The headlight cover was littering my trailer.

This subject is far too grey. We can easily and objectively prove whether or not this mod is legal. It's common knowledge that the LS1 airbox is restrictive, even the stock ram air boxes have larger...

I'm hung up on the definition of in the engine bay, since the LS1 box draws from in front of the core support. Why are you against chopping stuff to slam an air filter with cold air? You need a...

Well it's not legal for an LT1 because it puts the filter in a non-stock location, the argument then mounts for the LS1.

My stance is it ought to be legal. I know some would be opposed to it, so maybe try it and provide before/after MAP logs to prove MAP does not exceed atmospheric. Since the factory inlet is also left...