Pulley help along with belt size

**nd4spdgtp** · 06-21-2013

Hey

I just installed togs with a 3 in ZZP downpipe. Performace mufflers. Gen v 180 thermo and cai along with ac delco indium plugs. The only pulley the guy had was a 3.5 do you see an issue at all? I guess I could baby it a lot too until I got a 3.6 on it but for the mean time what belt do I get. I looked on zzp and saw 66 3/4 1687mm that sound right? I'm going to napa and want to get the right one. I was trying to look up the write uo I thought I saw at one time on here or clubgo. Lastly the stock main belt is a 2340mm right?

Thanks for your help

**Fivefingerdeathpunch** · 06-21-2013

If you have a way to scan the car, the 3.5 might be okay. But you will have to see if it knocks or not, then up the pulley size and get a tune.

I used a 658 belt, the 660 (66 3/4 belt) was too long for me. Though my tensioner is not brand new either.

**Elite6** · 06-21-2013

Has anyone tried ordering the bigger tensioner pulley & keep the stock belt with a 3.4-3.6?

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