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carolinus's Avatar
 
Join Date: Dec 2002
Location: In my car.
Posts: 396
Head questions...

I have some questions on the cylinder head on my car. We just got it off an cleaned it up, and found some scary things.

There are three or four corroded pits in the head surface that come within 1/8" of the cylinder wall bearing surface that are about 1/8 by 1/8 each, and 20/1000's of an inch deep. Two of these pits are in the exact area that the head gasket failed.

My question is, can I machine 20/1000's off the head to remove those and use a 20 over head gasket? And, if not, what do you guys recommend? Just leave it, or get a new head, or ?

Also, will the head off of an 86 NA fit my car?
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I am blessed/cursed with these cars:

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Quote of the week:

"This chemical is known to cause Birth Defects in California."

Poor Californians, they are always getting the short end of it, and now this?
Old 03-20-2003, 03:07 PM
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AFJuvat's Avatar
 
Join Date: Feb 2001
Location: Viera FL
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SOrrosion from the coolant - you can have a machine shop repair them - you can't shave that much off - -they will fill it and then shave the whole surface smooth.

Yes, an 86 head will work

AFJuvat
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Old 03-20-2003, 03:18 PM
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Any estimates on a good cost for something like that?
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I am blessed/cursed with these cars:

BMW 318iS 1991
BMW 325iS 1988
Volvo 740 Turbo Wagon 1992

Quote of the week:

"This chemical is known to cause Birth Defects in California."

Poor Californians, they are always getting the short end of it, and now this?
Old 03-20-2003, 03:36 PM
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AFJuvat's Avatar
 
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Couple of hundred for machine shop charges - not including gaskets and the like.

AFjuvat
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Es geht nicht darum wie schnell man faehrt, sondern wie gut man schnell fahren kann.

Ihr Brunnen der nutzlosen Porsche Information
Old 03-20-2003, 03:56 PM
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carolinus's Avatar
 
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Owwwie. Just for a couple of welds and a decking? I can do all of the rest myself.
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I am blessed/cursed with these cars:

BMW 318iS 1991
BMW 325iS 1988
Volvo 740 Turbo Wagon 1992

Quote of the week:

"This chemical is known to cause Birth Defects in California."

Poor Californians, they are always getting the short end of it, and now this?
Old 03-20-2003, 05:08 PM
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What is the max you can shave off a head, before it is junk?
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Old 03-20-2003, 08:08 PM
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carolinus's Avatar
 
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I dunno. Not much, apparently.
__________________
I am blessed/cursed with these cars:

BMW 318iS 1991
BMW 325iS 1988
Volvo 740 Turbo Wagon 1992

Quote of the week:

"This chemical is known to cause Birth Defects in California."

Poor Californians, they are always getting the short end of it, and now this?
Old 03-21-2003, 04:35 AM
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