GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

Brand new Build 4l60e Too harsh 1-2 ?

Old Mar 10, 2010 | 01:15 AM
  #21  
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Now reducing the Base shift Pressure values will soften them
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Old Mar 10, 2010 | 10:14 AM
  #22  
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Make sure the builder didnt mess around with the screw on the back of the force motor. That + increased shift pressures in tune === really hard shifts.
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Old Mar 10, 2010 | 01:53 PM
  #23  
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Originally Posted by nonnieselman
The shim in the accumlator makes a huge difference..
completely took acc- out and instaled stock set up...helped knock it down about 30% a least its very tolerable now...stock pressures now/ we might even take the pressures down a lot lower then stock... I think with everything this has in it ...its just "over built" he put evrything he wanted and everything i wanted...lol...has "The BeasT" extra steels ,Zpak Wide band , drilled bodies , transgo master kit ...hardened yada yada yada and a bunch of other stuff ...i told him to bullet proof it and he did what I said...lol..so..garuenteed I cannot tear it up period ...said it would last longer then my truck...lol put a full year free rebuild / replacemnet ...again this shop and the guy is a master 25 plus years came highly recommended out of all the shops in DFW ...from perscision custom converters ... but anyway its very tolerable now ...i can Tell a huge diff vs stock holds every gear will roast the tires so easy ...2-3 scratch i mean its a beast so its all good now thanks for everyones input...
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Old Mar 12, 2010 | 12:51 PM
  #24  
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It's not bullet proof trust me.
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Old Mar 12, 2010 | 01:21 PM
  #25  
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nothing is when it comes to performance ...thats should be a given should hold up much better then stock though...i do miss the stock like shifts...this thing hits in every gear gonna need a neck brace soon...
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Old Mar 13, 2010 | 08:37 AM
  #26  
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Originally Posted by built408
It's not bullet proof trust me.
LOL how about spit ball proof?:nunchuk1:

Seriously it sounds like the op has some good parts in his unit. Many things can make these units shift hard as we all know. Sometimes I think that it takes time and experience to nail it the first time every time. Good to hear the OP has it all worked out.

I do not believe the wood Bullet Proof should ever be used unless you drive an armored car! Just saying. Vince
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Old Mar 14, 2010 | 02:25 PM
  #27  
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i thought bulletproof too. had the transgo reprogrammer kit in mine, hardened parts, and billet servos. worthless shop overcharged me and then put stock outputshaft back in cause "it doesnt usually break" lol yeah rite. mine lasted almost 6000 miles with the hard shifts. too much cast steel and aluminum parts in 4l60e to be bulletproof.
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Old Mar 16, 2010 | 03:04 PM
  #28  
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my performabuilt stage 2 does the same thing, i turned down my pressure to stock too, still chirps second and 3rd at 80mph on 285 50 20's
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