[Formulajones]

The biggest gain I've found with air cleaners at the track is finding a way to ingest outside air.

All the air cleaner setups I've tried never worked as well as the factory cold air setup on my ram air Formula.

I'm surprised Mchell that with your 71-72 GTO hood you haven't tried the same air cleaner my Formula has. They are reproduced and aren't overly expensive.

I found similar differences with my Chevelle and it's cowl induction setup. The difference in IAT temps is night and day.