View Poll Results: Would you buy it?
Nah! Don't trust any upgraded 4L70 transmission
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NEW GM Performance Part Mini-Supermatic...Answer to prayers??
Thread Starter
Launching!
Joined: Jan 2005
Posts: 272
Likes: 1
From: Northern NJ
NEW GM Performance Part Mini-Supermatic...Answer to prayers?? 
Thread Starter
Launching!
Joined: Jan 2005
Posts: 272
Likes: 1
From: Northern NJ
BUT...maybe those still under new car warranties could convince someone somewhere to put this in when their factory trans goes south.
Last edited by TrueBlueGTO; Mar 6, 2011 at 03:29 AM.
11 Second Club
Joined: Feb 2008
Posts: 317
Likes: 2
From: TN
Didn't I hear engine braking in each down shift? Wasn't aware stock 4L70 did that.
I've seen aftermarket one built to do it.
I really injoyed watching them thrash on that LS7 camaro a LOT!
The trans is a very basic built 4L65/70e. I'm not saying it isn't possible, but GM has never used any of their performance parts in warranty repairs that I am aware of.
The trans is a very basic built 4L65/70e. I'm not saying it isn't possible, but GM has never used any of their performance parts in warranty repairs that I am aware of.
I like that vid. I thought it was funny how he gave you that extra sense of durability by slamming down each part after giving its nomenclature hahaha!
Last edited by Scoobysnacks; Mar 8, 2011 at 11:19 AM.
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