Idle Question

1bad67cat

Registered User
1990 SC 5 spd. The only mod I've done to this car myself, is a CAI, egr delete, and ARP head studs. When I got the car, it had a 5% SC pulley, air silencer removal, Magnaflow cats, and resonator, and Borla ProXS mufflers already on it. It idles around 900, but doesn't sound high. It sounds like a cammed v8. Most people think I am running a v8, until they see under the hood. Car runs great, fast, and I pull close to 15 lbs of boost, according to the factory gauge. Does it sound like, from my description, that a PO may have put in a larger cam? The guy I got it from, got it from his bro, who bought it off eBay between, 2006 - 2007. 35th Anny, originally from New York.
 
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