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Re: Main studs or bolts
[Re: Twostick]
#1738060
01/27/15 02:37 PM
01/27/15 02:37 PM
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Joined: Jan 2003
Posts: 1,121
State, country, etc.
gss
OP
super stock
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OP
super stock
Joined: Jan 2003
Posts: 1,121
State, country, etc.
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Quote:
I thought E'berg cleared this up eons ago. 
The stock bolt shank is smaller than the hole in the cap so it doesn't make contact with the bolt bore when it is torqued.
An ARP stud is uniform diameter (larger) and on a lot of stock caps, will make contact. This is what causes the distortion on the main bores. In his article he opened up the bolt bores slightly so the studs had more clearance and the distortion vanished.
My  ? If you have the tools and the talent, install the caps with studs, torque them with the ARP lube and measure them. If the bores are still within the acceptable +/- .00000X, marvelous.
If you find one that isn't that was OK with bolts, open up the bolt bores so the studs have clearance and it should then be marvelous too.
Kevin
That is very interesting. Upon further inspection, there was NO align honing done at all with bolts or studs. I will be taking it to a different machine shop for align honing with the studs. Should I be concerned about the cylinders getting out of round?
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