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Registered
Join Date: Apr 2012
Posts: 12
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Reuse of OE cast iron cylinders
Can OE cast iron cylinders (1970 911 T) be honed and reused if within tolerance?
Can they be bored oversize for use with larger diameter pistons? Can someone suggest an oversize, cold radial clearance with piston required, replacement brand pistons and Northern CA machine shop to do the work? I'd like to avoid buying new cylinders and assume the original cylinders could be treated like other cast iron engine blocks and treated to a small bore increase. Thanks. |
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01-06-2014, 11:47 AM
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Registered
Join Date: Aug 2003
Location: Los Angeles, CA
Posts: 1,112
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Check with EBS Racing in Reno, NV.
Porsche Racing Parts : Engine Performance Parts : Brake Parts : Used Porsche 356 : 911 : 912 : 914 : 944 : Porsche Boxster Parts : EBS Racing Inc. They can do this service.
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Bert Jayasekera 1970 911T - Tangerine Orange Early 911S Registry #494 R Gruppe #167 |
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01-07-2014, 12:46 PM
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dj, for my 71 T, I'm having the cylinders bored 1 mm to 85, and using newJE pistons with a 9.5 compression ratio. The work is being done by JB Racing here in Florida. My understanding is that 85 mm is as large as you can safely go.
dho |
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01-07-2014, 04:31 PM
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