Dimitrios
Enthusiast
planningon getting a ROE SC in the next few days. how big of a pulley can i put on a 2001 viper? could i go as high as 6.5 for a stock motor. i have roller rockers, headers and cat back.
Don't go higher than 5 psi and if you hear anything that even resembles pinging get out of it and have someone who knows what they're doing check out your tune. The cast pistons won't take any detonation.