Lockwire heads

[rtseast71]

What's y'all guy opinion on using lockwire . I've recently purchase a set heads that have lockwire groves cut into them . Should I use them or machine them out.

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[SHADOWII]

What's your goals and do you think you will need them w/future goals? If you machine them off, will you mismatch your intake?

 

[gtfrede]

Oring heads work extremely well when used correctly with the proper material wire for us 2.0 mitsubishi guys...only necessary on extreme pressure applications.....our mitsu/mustang runs 46 psi on ethanol with an oring cylinder head effectively. But those engines also have more head studs per hole than the buicks.... -__-

 

[Squid4life]

Are they cut for Felpro 1007's? I had a set of heads cut for those HGs, and they worked well. They sealed great. The only issue is that the HG is usually a "fuse" in case of operator error, overboosting, or detonation. If the HG is sealed solid, the next thing to give will be the pistons or the rods. Some guys prefer a better sealing HG than stock, but some guys think the 1007 locwire HG doesn't give enough margin for error.

 

[rtseast71]

Yea the heads have been cut for the 1007 gaskets. And they been ported and polished . Just rebuilt the Shortblock added a 206 DLS roller setup . I have 83# injectors and modded ecm hope to be able to run high 10son the fence about running e85

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[rtseast71]

The turbo is a Garrett 35 that had been rebuilt and had bigger wheels put in it

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[Nick Micale]

Your Buick should not compared to an import as you only have 4 head bolts per cylinder, and NO head gasket, including the 1007, is immune to giving up.

I have replaced over 1000 head gaskets on production Buick V-6's and many on Stage blocks as well, and O-ring or lockwire types have not proved to be any better.

If you have the 1007 gaskets use them, but many times I have successfully used regular head gaskets in their place.

 

[rtseast71]

Thank you Nick that's what I wanted to know I had already bought the reg gaskets didn't want to buy the 1007 if didn't have too

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