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08-18-2005

The machinists say to avoid using a metal HG UNLESS both the head and block have been machined flat to within 0.001". You don't know how flat the old block is in that car so putting a "machined" head on it with a metal HG would be foolish.

I agree with those that recommend using the stock HG as a "fuse". It works; well, on street cars, anyway! The BIG TIME people do other things to keep the heads on top of the blocks!

Rick

08-18-2005	#17
rick shindley Guest Tournaments Won: 6 Posts: n/a	Re: Head Gasket The machinists say to avoid using a metal HG UNLESS both the head and block have been machined flat to within 0.001". You don't know how flat the old block is in that car so putting a "machined" head on it with a metal HG would be foolish. I agree with those that recommend using the stock HG as a "fuse". It works; well, on street cars, anyway! The BIG TIME people do other things to keep the heads on top of the blocks! Rick