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Sparky

Head gasket install tips

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Sparky
12 hours ago, WHX12 said:

Did you use the copper spray gasket then Sparkeye? I noticed some recent exhaust side leakage on a freshed up 10 hp of mine and just wondering if I should try it or just learn how & have the patienceto glass a head. 

I've got the same hiccup on a 1257 but it goes away with a little fine tweaking of the hi speed adjust screw or when under load. Probably has original points in it so new ones are not the worst idea either. :)

I did use the Copper Spray that posted a pic of....I cant say that it helps or not, time will tell. New points are on my to-do list for the C-145.

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Fordiesel69

Sparky,  you will probably need to retighten once more in lets say 2 - 5 hrs. 

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Sparky
58 minutes ago, Fordiesel69 said:

Sparky,  you will probably need to retighten once more in lets say 2 - 5 hrs. 

I believe your right. I was a bit shocked by how much it took to get them back to spec after the first hour or running.

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tunahead72
1 hour ago, Sparky said:

... I was a bit shocked by how much it took to get them back to spec after the first hour or running.

 

Like, how much?

 

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953 nut

It has been my experience that hot torque to the same 25 to 30 foot pounds may be a half turn or more.

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Sparky
1 hour ago, tunahead72 said:

 

Like, how much?

 

It’s a half turn or less on EVERY head bolt. And I went to 30 pounds the first time I torqued them. Pretty sure I would have been looking at a leaky head gasket real soon if I had just torqued them once and never re-checked.

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