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Is it the same gearbox in the 92sts as in 93?


Uffe6y

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As Logan said, the transmission is different. The 4.9L cars have the 4T65-E if I recall correctly. The Northstar cars have the 4T80-E, which is stronger. Although you might be able to physically bolt a Northstar to the 4T65-E (and you may not, I don't know), it may not be strong enough to handle the power from the 4.6L engine.

Jason(2001 STS, White Diamond)

"When you turn your car on...does it return the favor?"

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Not for a STS. The base Seville may have had the same trans. for '92 and '93 as both years had the 4.9 engine.

In '94, both the SLS and STS had the Northstar so '94 and later had the same trans. except the final gear ratio was diffetent.

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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Just for everyones info the 92 has a 4T60E trans.

Thanks for the correction. Do you happen to know any of the differences between that transmission and the 4T65-E? I'm pretty sure the S/C 3800 cars (and maybe all the 3800 cars for that matter) use the 4T65-E, and I thought the older TFWD Cadillacs did too. Sorry for the misinformation.

Jason(2001 STS, White Diamond)

"When you turn your car on...does it return the favor?"

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