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Originally Posted by fatlife
They actually have 2 differnet T56's from F bodies, the 93-97 LT1's and then the 98-02s, the first gen, have the closer ratio spread, and have the steeper overdrive but are weaker because of this, I think they are rated at 350ilbs of torque while the LS1 is 450.
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Not accurate. The 93 T56 from the F body is the only one that was rated lower at 400 ft lbs, and used a different gear ratio. The 94-02 T56 all were rated at 450 ft lbs, and use the 2.66 1st, and .5 6th.
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Originally Posted by fatlife
Also I would think a T56 would be harder to put in reverse because they have a solenoid that helps engage reverse, that can only be operated with a PCM, it engages below 5mph. And when you put a T56 into a older car, you know have no help from the solenoid, and have to slam it over to get it into reverse. Probably hard for your old lady, but thats about it.
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All that needs to be done fix this is hook up the pig tail to any 12V switched source. No PCM is needed. We typically wire street cars to the brake light swithc, that way anytime you apply the brakes, you can put it into reverse.
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Originally Posted by fatlife
And your going to hate those gears, I have 3:73's in my 454 and it lugs and pings bad in 6th gear, its not even usable, not sure if your LS2 is stroked or not or what cam you have, so if you don't have a bunch of low end power, your def gonna want to move up to 4:11's. However you do have fuel injection etc, so I'm sure the computer will help out when it senses anything, so maybe your good. Thing about it is that on my car the 3:73's definetly help me launch the car, easier to not spin the tires, which is nice with over 600hp, but it just takes too long to get into the power band and rev out. BTW I do have a pretty huge cam, so that may be the reason of the bad drivability in 6th, changing gears isnt' hard or expensive, unless you need a different carrier so if you don't like them you can just change them out.
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I'd say your Carb and Cam are the main reason for these 6th gear issues. The LSX engine with EFI will have none of these problems.
Tyler