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89 - 90 engine swap

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Old Apr 29, 2010 | 08:55 PM
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johnnybronco
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89 - 90 engine swap

I'm in the middle of putting a '90 2.9 liter into an '89 that had the same engine. I'm about 1/8 of an inch away from the engine and transmission mating up. Everything else looks good - engine mounts are in place, exhaust pipes are close, tranny to engine bolts go in nice and easy... Any ideas what could be keeping the engine and tranny apart? Should I just crank down on those bolts like the book says not to?
 
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Old Apr 29, 2010 | 09:18 PM
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From: McKenzie River
Just minor interference from engine trans. alignment...........keep pushing/pulling on the cherry picker chains or adjusting the chains, try twisting as well it should go home pretty easy.
 
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Old Apr 29, 2010 | 11:22 PM
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No, do not force it.

The proper way to do this is install the engine and then install the transmission. Trying to force the engine into the transmission will only damage the transmission. Unless you think the transmission pump is more solid then the crankshaft... or you might damage the TQ.

Do it the right way, drop the transfer case, drop the transmission. Line up the engine to where it was. Bolt it down, but, leave some wiggle room. Install the transmission and then the transfer case.

If you have a manual transmission and you force it together you are almost certain to destroy the pilot bearing.
 
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Old Apr 30, 2010 | 08:03 AM
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I was hoping to not have to drop the tranny - and since the Haynes manual doesn't say you have to I haven't yet- Has anyone ever done this without dropping the tranny first?
 
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