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In need of a 3900 measurement

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  • In need of a 3900 measurement

    Hey guys. I'm posting in hopes that one of you has a 3900 laying around or has access to this figure...

    I need to know how far the flywheel flange on the crankshaft sticks out from the block (or so the surface that the transmission would mate to on the engine). I need this in figuring out a flywheel for my 3800/6 speed manual project. To my knowledge this is the same between a 3900 mated to an MT or AT, though in my case I'm looking for the manual tranny measurement.

    Thank you
    '89 Buick Reatta. Supercharged 3800 LN3. Series II L67/ 6 speed manual in progress...
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