Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

97 & 98 trans difference?

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Old Jan 7, 2008 | 04:44 PM
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Default 97 & 98 trans difference?

Are all T-56's the same from 93-02? A guy at work said they are, I said not.

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Old Jan 7, 2008 | 04:48 PM
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Default trans

bellhousing is different
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Old Jan 7, 2008 | 05:04 PM
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The LT1 uses a clutch fork, different bellhousing, input shaft and different front plate.

The LS1 uses a completely different front plate, input shaft and bellhousing.

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Old Jan 7, 2008 | 05:19 PM
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But the trans themself are the same?
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Old Jan 7, 2008 | 05:26 PM
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The internals are yes.

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Old Jan 7, 2008 | 05:35 PM
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I guess I should have word it this way: If I take out the trans from my 97 SS can I bolt it to the 98 Formula bellhousing?

Are the trans & bellhousing one piece?

Last edited by r.serio; Jan 7, 2008 at 05:44 PM. Reason: added
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Old Jan 7, 2008 | 06:34 PM
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You'd need to swap it to a 98-02 input shaft and front case plate, and to check endplay at that point.

Six or seven of the trans to bellhousing bolts line up fine. But even if you did that (please don't) you'd have the wrong length input shaft.
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Old Jan 7, 2008 | 06:46 PM
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Exactly. Also the LS1 transmission uses a slave cylinder bolted to the transmission not the bellhousing. No you can't just bolt it up.

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Old Jan 7, 2008 | 08:05 PM
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So I was right & I get a free lunch tomorrow at work. Thanks everyone
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Old Jan 8, 2008 | 06:34 PM
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They are the same (as noted above) except for the 93 model which has a different gear ratio .
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Old Jan 9, 2008 | 08:35 AM
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Ls1 = push style clutch
Lt1= pull style clutch
Along with many other thing's that are different !
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