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Generation III Internal Engine 1997-2006 LS1 | LS6
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1999 iron block motor with longer crank flange

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Old 08-19-2010, 01:46 PM
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Default 1999 iron block motor with longer crank flange
Will this work in a m6 fbody as long as I use the truck starter will my clutch be ok ?
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Old 08-19-2010, 02:19 PM
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It will not work. You will need to either change the crank or have the rear flange machined down to be able to use a t56 or 4l60e. The only trans that will bolt right up to that motor with a long crank is th350/400 or 4l80e.
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Old 08-19-2010, 02:50 PM
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Unfortunately, that will not work. As the guy above me stated, you'd have to have the rear flange machined down or swap that crank for one without that longer flange.
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