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Got official word from the SCCA. Forced induction is not allowed in P1:


P1 1. #33097 (Steve Marton) Wolf or Norma with 1.6T allowed in P1? Thank you for your letter. The P1 rules state that...

Sorry, I didn't mean it as arguing, more pointing out that the rulebook is unnecessarily vague and confusing around P1 engines. I'm trying to suss out the intent of the rules, how restrictors really...

It's also not mentioned that they're naturally aspirated. That statement "Engines not specified in the table below are not permitted in P1." sounded strange to me. There are very specific...

My understanding is that the whole point of restrictors is that they put an absolute ceiling on mass airflow (and thus horsepower, more or less). The ambient pressure and temperature is the same for...

Where can I find the regulations on this? I only see "6. Turbocharging and supercharging are prohibited." in the P2 section, no mention of anything in P1....

Very informative, thanks!

So the key in P1 is essentially aero? I guess the CN cars don't have tunnels. Wonder if the SM version of the Wolf does. It's not clear from their documentation.

I'm...

Thanks, GAC, that's good info! I didn't realize Davenport also had a DP02. Was really wondering what makes DP02 so dominant in P1, and I ran across this page with some answers:
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Hi!

I'm looking into getting a prototype, and trying to understand which ones are competitive and why.

This is sort of the list: Wolf GB08, Norma M20/Nova NP01, Elan DP02.

I'm leaning...