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Re: 1999 Trans Am 5.7 6 speed
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Originally Posted by jjzepplin
OHHH but I want the T56 and all those Gears! I can sell the Muncie and Bored .030 over fresh 350 block and the rebuilt Saginaw with rebuilt competition shifter to make this an almost even swap. Is this engine just a different displacement on the LS 5.3-6.0 type? Parts interchangeable? Mileage capabilities similar?
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This just might be a score. I recently sold off some of my projects. I sold my used T56 for $1700 and it had a lot of action on Ebay. The difficult thing about that trans is that it is heavy and it has car gears. A '99 LS1 may have a slight improvement in that the electronics are digital and not analog. Keep that in mind. I have a '98 Firebird that I swapped in a new LS6/ M6 seven years ago so I'm very familiar with that drivetrain. My mileage can vary from about 14 to 26 MPG depending on the conditions. My '98 was a one year car in that a lot of parts are specific to that year and obsolete past '98. Parts for the '99-'02 cars are common to each other.
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1989 K1500 Chev. EC
Original owner; some of the aftermarket parts I've installed are Borla headers, Hypertech chip, Edelbrock water pump, and a Stillen rear disc brake conversion kit.
2009 Hummer H3T 3.7L 5M (sold)
1997 K2500 Chev. EC 7.4L/ 4L80E
2018 Dodge Ram 2500 HD R/C
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