will the 3.7 auto trans fit the 5.3? cause you can get a vette engine and ecu with wiring for around 3K. h3 with a vette engine?? hell yeahhhhhhh

Not sue I understand your question exactly? You want to know weather the 3.& L trans will bolt to a 5.3 , but then you want to get a vette engine, the vette motor could be a 5.7L, 6.0L, 7.0L or a 6.2L supercharged motor.


Anyway the bolt pattern should be the same on all these motors, just that the 6.2L, and possible the 7.0L will need a different flex-plate, GM changed the bolt pattern on these... added few more wholes, to handle all the power!

The 3.7L trans definitely will not bolt up to the 5.3, 6.0L, etc.. (LS series or vortec truck based LS motors) . The 3.7L is part of the atlas family of engines and shares a completely different bolt pattern. Atlas series motors are; 2.8L, 2.9L, 3.5L, 3.7L, 4.2L, 4.3L Inline 4, 5, 6 motors.

You can however change the bell-housings, input shaft and torque converter to the V8 style, and maybe change-out the servo to a corvette one.