Re: [AMC-list] 195.6 ohv head torquing results, with ARP studs

[Bruce Griffis <bruce.griffis@xxxxxxxxx>]

Sounds like you really have that 195.6 in good shape!

I bet you could do a low PSI blow-through turbo after breaking it in.

On Sun, Jun 13, 2010 at 7:36 PM, tom jennings <tomj@xxxxxxx> wrote:
> I did my "final" torque-check today, at 1000 miles, and so far so good.
>
> I torqued the head three times: at assembly, cold, 75 ft/lbs. (This is with
> the ARP head studs and ARP lube.) The "next day" after I was able to run it
> up to operating temperature while I adjusted valves and all that, then let
> it cool over night. Then at 500 miles (I think it was) after of course full
> cooldown.
>
> Both re-torques were done without the usual "cracking loose". With all this
> good stuff in there they didn't need it -- torque was applied and the nuts
> turned. I didn't write it down at the time (unless I posted it to the list)
> but I think the first time each nut turned 1/3 turn. All were the same. On
> the 500 mile retorque, all turned about 45 degrees.
>
> This morning, cold overnight, I checked four bolts. Nuts turned not even 5
> degrees, two not at all (there is some stiction). So whatever was growing
> (stud stretch?) and whatever was shrinking (gasket squish) stabilized.
>
> I will continue to check it, another 1000 miles, then probably 5000, then
> annually or whatever. Ideally it will NOT NEED RETORQUING.
>
>
> I'm thinking of driving up to Sacramento for the AMCRC national meet, it's
> only 400 miles. Anyone else here going?
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