Originally Posted by
locked
5.3 FDR is a bit low for boosted 17.5 at Lou's. I'm around 6.4. A lot of guys are around 7. Try a 29 or 30 tooth pinion. If you need more top end, add more turbo
It should help with the brakes, going up in fdr.
It's what I've always ran, tons of bottom end and top end. come off at 140 consistently. I like running a taller gear and no timing.