1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

I have a transmission question?

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Old 07-15-2006, 06:37 PM
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Default I have a transmission question?

I was wondering if the transmissions in the N/A 3800 Series II engines are just 4T60-E'* or 4T60-E (HD)'*, if there ARE two different 4T60'* then whats the difference in them? I'm looking into getting a transmission cooler for mine since its been so hot. I replaced my thermostat with a 180 yesterday.
Old 07-15-2006, 06:41 PM
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Default Re: I have a transmission question?

Originally Posted by jessie_harbin
I was wondering if the transmissions in the N/A 3800 Series II engines are just 4T60-E'* or 4T60-E (HD)'*, if there ARE two different 4T60'* then whats the difference in them? I'm looking into getting a transmission cooler for mine since its been so hot. I replaced my thermostat with a 180 yesterday.
i THINK correct me if im wrong the HD were used for the supercharged while the n/a used the non-HD

HD is heavy duty and can handle a bit more
Old 07-15-2006, 07:49 PM
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The S2 3800 NA used the 4T60-E and the 4T65-E.

S1 3800 NA used the 4T60-E and the S1 Supercharged used the 4T60-E HD
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