Thread: New cylinder head science
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12-31-2012 03:23 PM #1
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They are making aprox 900 hp NA with only 358 cid---
What do you think I'll get from 427 cid and 30 lbs boost???
11 bolts for valve cover with o ring gasket and sprinklers
26 bolts for rocker arms
notice oil grooves for drainback with levels up to pushrod holes
steam holes in deck surface
coolant holes under intake ports
intake vavle 2.200 with 6 mm stem(also very long)
exhaust valve 1.650 with 7 mm stem
20 studs head to block ( some are smaller and under neath)Last edited by jerry clayton; 12-31-2012 at 03:31 PM.






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A belated Happy 78th Birthday Roger Spears
Belated Happy Birthday