I thought I had 391 rwhp before the headers but I was wrong it was 381 at 5500 rpms. After the headers I made 388 hp and 390 tq at 5200, after 5200 it started to run lean so Hopefully when I get some more fuel I'll but down a little more!!
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I thought I had 391 rwhp before the headers but I was wrong it was 381 at 5500 rpms. After the headers I made 388 hp and 390 tq at 5200, after 5200 it started to run lean so Hopefully when I get some more fuel I'll but down a little more!!
not bad at all!!! those some great numbers for your 5.3 ;) throw ya alittle cam in there and get alittle head work done and see over 400 ;)