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Question
Filbert Sam
I just purchased a 1999 6.0 Litre LQ4 motor with harness and computer, plus an extra set of aluminum heads. I thought it was a really good deal. Trumping a likely response, I'll just say it first. "You can always tell a Texan. You just can't tell him much".
The donor vehicle was a 1999 Silverado 2500 4x4. Since it was a 4x4, it most likely had a 4L80E tranny, but I'm not certain about that.
My intent was to do a "LS swap" for my 57 Bel Air. I'm NOT building a 400HP+ muscle car; strickly a street driver. My hope was to build a reliable and efficient driver, no DC generators with leaky PS pumps, 15 MPH, slack steering, etc.).
However, I just learned that the crankshaft for the 1999 & 2000 LQ4s are a little bit longer than the standard LS or LQ cranks for later years (don't know about years prior to 1999). The fix as I can best understand it is some sort of spacer, or a new concaved flex plate, or a new custom made torque converter, or some combination of all of these.
I'd like to go with the 4L60E if possible (size, weight, cost, etc.). If necessary, I can go with a 4L80E if that's my only option.
Q1) Is there a 4160E that will mate up with the LQ4 without the necessity of some exotic solution?
Q2) Is my only option to find a 99 or 00 4L80E?
Thanks in advance
Filbert Sam
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