Hey guys there is a TSB on the isf now I don't have the number for it but there ganna change the drive belt pully so it's tighter but are we ganna lose any power or top end by that?
thats wut they told me and they didnt give me a number for it but its really making me mad so i took the guy for a ride and he was like wow it it a sliping belt so ther trying this and ill just wait and see wut happeneds
Yes it was only the first 500 made they said and it was on the LS GS to with the V8s they didn't give me any paper work for it all they gave me said a belt and a belt tensioner
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