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BLOWN85

04-13-2008 09:04 PM

Head bolt question

I am running a hp500 with a 256 blower. Had the head completely ported, all new valvetrain, and a new cam. Getting ready to put the heads back on but before I do, I wanted to know if the stock head bolts ar sufficient for what I am doing? Are the hp500 head bolts good enough or, should I buy a new set?? Which should I go with and if there is a part# for them. Thanks OSO!

formula 382 sr-1

04-13-2008 09:08 PM

Get new ARP head bolts.:D

Vinny P

04-13-2008 09:54 PM

You would be better off getting a set of ARP studs. Bolts are good, studs are best.

KS_Jayhawk

04-13-2008 10:58 PM

Get new bolts, last year a friend added whipples on his 525's and blew a head gasket and ended up replacing both sides with new bolts & gaskets. He was told the old bolts were the problem.

Griff

04-14-2008 12:22 AM

Quote:

Originally Posted by formula 382 sr-1 (Post 2524163)

Get new ARP head bolts.:D

Ditto. 99% sure its ARP# 135-3601

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