Re: Pistons for my '79 non-turbo b-engine - Saab Saab Model 99 Bulletin Board - Saabnet.com
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Re: Pistons for my '79 non-turbo b-engine
Posted by John Blas [Email] (more from John Blas) on Tue, 2 Jun 2009 13:39:14
In Reply to: Pistons for my '79 non-turbo b-engine, BAAB [Profile/Gallery]
, Fri, 29 May 2009 09:50:20
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You sure it needs to be bored? How did the shop determine this? They already have the block?
I've done a number of rebuilds and Saab engine blocks are made of harder cast iron. The bores barely develop ridges, So unless the engine was over-heated or cylinder walls are damaged (someone didn't change oil) usually it's piston ring replacement. The specs for checking bore sizes, piston clearance, and ring end gaps are in the manual. The crankshaft is triple hardened so they last a long long time. Replace that bearings since you've got it apart.
posted by 68.72.13...
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