milling stock head help

[faceplant]

i have a 08 sj,whats a good amount to mill the head to get to 180-185?ive read .030 is good to get 185, any help appreciated!


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[faceplant]

sorry its a 2007


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[faceplant]

any help here??

 

[kevbo]

The squish needs to be recut once its milled enough to make a difference. I have taken one down to the squish and still had .070 with a stock gasket but the squish casting is not very accurate.

 

[faceplant]

any clue how much to deck it?


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[Blue]

You can deck it till the lip is gone . The rule of thumb used to be for every .010 would gain 10 pounds of compression there for .030 would give u about 30 pounds give you 180

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[faceplant]

ok so should i get a stock gasket or is there a better out there i should get!?


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[Blue]

Stocks fine unless you want to try and get a better copper head gasket that's a little bit thinner. Stock gaskets around .045 thick and pistons down in the cyl about .025 so that leaves you're squishing about .070

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[faceplant]

ok thx blue!


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