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Case 830 - Main, Rod, and Head torque

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Lamont

07-11-2004 21:21:17

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I need the torque specs for the rods, mains, and heads for an LP Gas 830 Case. Also, I have bored the block to take 4 5/8" sleeves and flat top pistons making it 336 cubic inches. Original displacement is 284 cubic inches. My compression should be around 9.5 or 10 to 1. Should I go a little stronger on my headbolt torque or leave at factory specs? Thanks for your help !!!

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MGM

07-12-2004 17:55:33

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Re: Case 830 - Main, Rod, and Head torque in reply to Lamont, 07-11-2004 21:21:17

Hey Lamont
If it's an A251 or A284 then my manual says

Mains = 145 to 155 ft lbs.

Rods = 95 to 105 ft. lbs.

Head torgue = 145 to 150 ft. lbs.

If its and A377 then book seems to show same torue specs.

Mains = 145 to 155 ft lbs.

Rods = 95 to 105 ft. lbs.

Head torgue = 145 to 150 ft. lbs.

If you need anymore info please email me at mcgcrew@acegroup.cc
or mmcguire@watlow.com
Mike

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Lamont

07-12-2004 18:46:36

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Re: Re: Case 830 - Main, Rod, and Head torque in reply to MGM, 07-12-2004 17:55:33

Thanks Mike ! That's exactly what I needed.

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