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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.

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Old 05-30-2007, 08:07 PM   #1
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hi ,ihave a 94 SC ,that has a slippping tranny,does anyone know what is the most durable master repair kit avail? thanx..
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Old 05-30-2007, 08:16 PM   #2
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Sonnax will provide the updates. It'* pretty much the standard rebuild kit for 4T60E'*. If you are interested (and I highly reccommend it for performance and long life) a shift kit, get the TransGo 4T60Ejr. An adjustable modulator would also be a very wise investment.
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Old 05-30-2007, 08:18 PM   #3
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thanx for replying,what does a adj moduelator help??
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Old 05-30-2007, 09:29 PM   #4
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It replaces your tired old vacuum modulator with a new fresh unit, that you can use to increase your line pressure and firm up your shifts. The TransGo shift kit is the best alternative, but even by itself, the modulator can gain you some of those advantages. The shift kit AND the adjustable modulator are an unbeatable combination. I have both on both of my cars.
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Old 05-31-2007, 09:56 AM   #5
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what do you mean by "sonnnax will provide updates??
do you know where i can order a street/strip master repar kit?????
thanx
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Old 05-31-2007, 10:01 AM   #6
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Sonnax is the brand name of the kit manufacturer.
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Old 05-31-2007, 10:09 AM   #7
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thanxfor the info,is there a specific model they offer that you have heard good this about for durability???i plan on going to the track with this car a couple times a year??
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Old 05-31-2007, 10:49 AM   #8
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i have searched through sonnax website, i haven't been able to find a master repair kit??any help would be appreciated thanx.
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Old 05-31-2007, 11:43 AM   #9
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Shift kit:
http://www.oregonperformancetransmis...K4T60E-JR.html

or

http://www.sonnaxfix.com/ and click through the menus. They have the rebuild kits and all the individual parts also.

Modulator:
http://www.transmissionpartsusa.com/...-000037888.htm
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Old 05-31-2007, 12:35 PM   #10
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Thanks for the modulator link...i just ordered it.
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