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Old 05-09-2012, 11:04 PM   #3
DiabloADV OP
Joined: Oct 2010
Location: Nor Cal, USA
Oddometer: 2,275
Some strangeness...

Pistons measure 93.3mm. Cylinders 93.7mm.

Book says R90/6 is 90mm. 100's pistons are 93.96mm (or bigger for overbores...).

So...what the heck do I have here...?

Any help....?
1974 R90/6 w/1050 kit. Motor only. Seeking a frame.
1970 R60/5

'91 Bill Holland Steel w/Dura Ace
'01 Z3 3.0 Coupe. The Clownshoe.
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