 Pistons and cylinders, oversize? |
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| redbaron |
 Jun 3 2005, 10:51 AM
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Newbie  Group: Members Posts: 31 Joined: 9-February 05 From: Alberta, Canada Member No.: 3,583  |
I have 96mm pistons in a 1.8 , I have taken the cylinders to get honed and they are 6 thousandths over, will that be too much, will I get heating problems because of it?
Pistons are in great shape, and I don't want to buy a new set. Also anyone in Canada rebuild heads for this thing? Thanks, Keith |
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| SLITS |
Jun 3 2005, 11:50 AM
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None  |
0.006" over what? What's meaningfull is the diameter of the piston as opposed to the diameter of the barrel......this is your piston to bore clearance.......that's what you need to be concerned about.
Stock cylinder clearance limts (according to Haynes): 1.7/1.8 = 0.0015" to 0.008" 2.0 = .0008" to .008" Since you have oversize barrels and pistons = more heat = more clearance needed possibly. We set our race pistons to bore @ 0.010". If you are at 0.006" on the piston to bore clearance, then you would be within specification, worn, but within specification. |
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| Bleyseng |
Jun 3 2005, 12:00 PM
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#3
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Aircooled Baby! Group: Members Posts: 13,035 Joined: 27-December 02 From: Seattle, Washington (for now) Member No.: 24 Region Association: Pacific Northwest |
Send your heads to HAM (Hoffman Auto Machine) in Georgia as they do them right.
look up their website for info. (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif) |
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