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Hotrodders.com moderator
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They do not show the same tag numbers in my book..would require some more investigation to determine if they are the same..should both bolt up tho..

The truck one is a Getrag unit/ not sure on the 4.3 tranny..either one would be a better choice for an S-10 swap than the one that comes with the four cyl version..

Sam
 

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Analog man in a digital world.
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2,252 Posts
The 4.3 and 5.7 use the same flywheel and bellhousing bolt pattern and the '89 V-6 and V-8 C1500's both use the Getrag. The Getrag in my 4.3 '89 C1500 is the same as the 5 speed in a '96 4.3 S-10 although they changed the designation slightly and call it something else, IIRC it is now referred to as a New Process but it's still the Getrag. My friend owns a transmission shop and verified it for me becuse I was looking at a wrecked '96 S-10 for parts for the 4.3 and 5 speed for my '89 but the '96 is a "true" Vortec and my TBI wouldn't work on it without way more work than the truck is worth. I should have bought it just for the trans but didn't.............. oh well. Now a 3/4 ton fullsize may be a different story. I didn't check that.
 
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