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Head gasket replacement

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07-14-1999 17:11:56

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i need the tourq specs for a 1951 case 400 gas 251 split head please e-mail if you can help me

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Patrick Tercho

07-29-1999 18:08:55

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 Re: head gasket replacement in reply to jody, 07-14-1999 17:11:56  
Cylinder head studs 100ft lbs
rocker arm studs 40 ft lbs
intake and exhaust studs 25 ft lbs
water manifold studs 15 ft lbs.

Make sure you get the o-rings in the proper place on the gaskets. Also we've found that if you use Permatex Seal-a-Gasket spray on the head gaskets, they will seal up very nicely. Run the tractor for 30-45 minutes after you get everything buttoned up and then retorque heads again while it is still hot. You will get about another 1/8-1/4 turn out of them. Then recheck valve lash intake .012 exhaust .020 cold


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