7M-GTE 86.5-88 Vs. 89-92 block????

PhillyMK3

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Does anyone know what the differences are between the early and late model blocks? and how to tell them apart?
 

turbodriz

mk3 onwer
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Feb 25, 2006
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Wow orginally there was pics. If you are looking at the two blocks a 90+ block has alot more ridges on the sides. There are like 3 ridges on a newer block to every1 on an older. I have the block in the trunk of my car. I'll post a pic tommorow.
 

Doward

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The late model 7Ms have thicker/stronger main webbing, thicker pain rails, extra ribs.

I think Ian measured like 6-8lbs of extra meat in the block?
 

empera

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fuck im trying to remember if i've met u.