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http://www.levelten.com/ did my '69 vette.Great reputation etc..
Now I'm going to let them add a chip(I think) and adjust the shift points with the trans computer to give me the feel of 25-30 HP at the rear wheels.
Eliminate that annoying downshift when cruising at 55-60MPH and hitting a small hill.
Truck is going in next Weds 3/13.
This shop has had articles in many major performance magazines.
The articles are laminated and hanging on the walls all over in the waiting room.
Regular cost for this upgrade is $495 but getting a good discount with a group thing.
Will keep you guys posted on the results.