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Old 01-07-2015, 03:17 PM   #8
derotoreut
Roto Reuter thats the name...
 
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Join Date: Feb 2010
Location: Darien, NY
Posts: 1,853
Re: Auto trans decision help for my new LSx build

Quote:
Originally Posted by homemade87 View Post
You did not mention what your goals are and how you will be using the truck . This will make a big difference on which way we need to steer you . If it is basically a driver with some spirited street driving and a occasional tow the 4l60e will be fine . Of coarse with a good trans tune and a good trans cooler .

If you are beating on it and taking it the track regularly the 4l80e may be a better choice .

If buying a new trans you may look into a 4l60e or 4l70e from finish line transmissions . They have several different levels of builds . I have there level five . This may also be a little easier to set up with a stock pcm . It was a plug and play for me with my 04 truck operating system . This option would not cost that much more than a stock trans new .

If you do use a stock 4l60e and have problems just get it built to suit your need down the road . I have seen people beat on the stock ones pretty bad and they are still holding on. The key is get it tuned to help it survive and a trany cooler. Heat is mostly what kills them during performance .
You're right, I forgot to mention that this build is basically for a weekend driver, cruise and show truck. This will NOT be a daily driver or autocross driven truck. I will want to be able to drive this truck to shows such as Syracuse Nat'ls or maybe Columbus Goodguys show too. Now with that being said, I will most likely be looking at an LS2 or LS3 with some mods to the engine and will still want to enjoy this truck. When I want to get on it, I want to be able to have fun without any reservations.
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My 70 K10 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=782232
My 71 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=651394

1970 SWB Fleet K10 4X4, 5.3L LM7, 4L60E, Dakota Digital RTX, Vintage Air, Ididit tilt
1971 SWB Fleet C10 - Original SWB Arizona truck, new custom restoration project

"Kick out your motor and drive while you're still alive - kick it out!" - Heart 1977
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