C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

trans fluid

Old Jul 9, 2008 | 08:00 AM
  #1  
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Default trans fluid

hey guys have a 1990 vette with auto trans. what atf would you guys use. i saw where pete said no syn. so i was thinking castrol, any others you can think of of course could use good old dextron 2 thanks in advance geo.
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Old Jul 9, 2008 | 09:25 AM
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I put regular ATF in mine, + a quart of hi-$ additive. It has hurt nothing in either 4l60e (vette, or GMC Jimmy).

Few pics here of change...

http://forums.corvetteforum.com/show...t=tranny+fluid
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Old Jul 9, 2008 | 09:54 AM
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I have penz in mine, it was on sale at Walmart last time I bought some.
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Old Jul 9, 2008 | 10:08 AM
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Default trans

thanks for the replys, i thought i had to pull pan to put a servo and gov. in. but you dont have to, so i prob. wont change it till later still looks nice and red geo.
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Old Jul 9, 2008 | 10:49 AM
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I changed the fourth gear servo on mine, for a high performance part from Pete. It's high up on the passenger side. I didn't think much fluid would leak but it looks like at least two quarts did, probably more. Only a small trickle from the governor after that.
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Old Jul 9, 2008 | 10:57 AM
  #6  
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Default servo

thanks ard, i am getting a complete hp servo and a sonnax gov. from dans trans. on flebay hope it makes a diff. geo.
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Old Jul 9, 2008 | 11:36 AM
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I'm using the NAPA brand atf thats made by ashland - which makes Valvoline.

Just have a deep pan for the atf that comes out with the servo and governor change. For the removal for my rebuild I just went to walmart and got a long and deep (but not too deep that its too tall for under the car) plastic storage container. It gives you a larger catch area, unlike a standard drip pan. You might not need one that big though for your mods.

Good luck,

Jonathan
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