5.3 heads
#4
GFYS and STFU
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You might also want to look up TURBO8. He's running 600hp+ on a stock 5.3L block with a different set of heads. Let me dig through my PM's to see what he had done. But RICHARD@WCCH is the guru of heads for any and all blocks. He's also a sponsor on this site, check him out on the right...---------->
#5
GFYS and STFU
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Here's what I found from a previous convo I had with him, maybe it'll help you a bit. Looks like 6.0 heads will work.
Originally Posted by turbo8
...compression stock is 9.4:1. I think I am around 8.7:1 now. I used the stock 6.0 heads casting #317's I had a shop do a 3 angle valve job on them and put the 918 valve springs on them. I also used arp head studs to help keep them down.
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#8
GFYS and STFU
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From: Here and sometimes there too.
Originally Posted by onebadrubi
243's with richards stage 2 job and a 220/220 lsk lobed cam. With a 3000 converter, 4.10 gears, and othe rsmall bolts ons you have an easy 12sec 1/4 truck.
Listen to the man he knows what he's talking about.
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