• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

New GP owner from Denver...



2007 GP GT
Is it true that at this altitude changing to a 3.4 pulley doesnt cause your engine to knock? We are getting alot less O2 then folks at sea level.
 


To be honest i have no clue but that doesnt sound right. I know our cars are alot slower up here because of altitiude, im pretty sure its 1 second slower.
 
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