Engine SwapEverything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.
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depends on the trans, for the manual its something like 30,000 pulses per mile. In other words, the LT1's use a different method of measuring speed. The T-56 has a 17 tooth reluctor wheel on the output shaft, while the 4L60E has a 40 tooth wheel. This is fed into the PCM, which then outputs a 4000 pulse per mile signal to the speedo.
ok i have a question for ya. i have a 700r4, are the vss signal s the same for a 700 and a 4l60e the same? one of the codes that i am seeing in my computer is the vss output. is that due to i dont have the vss output wire hooked up to anything. i thought that i could just splice into the 92 vss harness that conects to the tranny and it would be good. I havent cked the speedo to see if it works. do i need to hook the greenand white vss output wire to something? and one other question once i change my computer to a manual will my speedo read off since it isnt a manual. i was going to reflash it to get rid of the tranny codes. but want to make sure it wont mess up speedo
so do i use a 95 vss? i just looked up the vss's for 93,95.92 camaros and they all have the same part#'s in advance web site but in autozone they are diff?????????????
Originally posted by ssean92 so do i use a 95 vss? i just looked up the vss's for 93,95.92 camaros and they all have the same part#'s
the 92 and the 93 do, but the 95 is very different
you should be able to do it with the 95 stuff, just have the 95 vss hooked up stock(for 95, into the engine harness, to the PCM only), then feed the PCM speedo output(is now 4000PPM, exactly what your 92 needs) to the buffer, then, the PCM can be used to calibrate the speedo just like a 95 Camaro
__________________ David Yedinak , ASE Master Mechanic
http://www.cardomain.com/id/dave89iroc
1990 Blazer, full size, 4" lift, 3.73 Gears(front and rear), posi front, Detroit Locker rear, 35" Tires
2004 Blazer Xtreme, Indigo Blue, 4.3/A4, clear corner lights, fiberglass hood
In other words, the LT1's use a different method of measuring speed. The T-56 has a 17 tooth reluctor wheel on the output shaft, while the 4L60E has a 40 tooth wheel. This is fed into the PCM, which then outputs a 4000 pulse per mile signal to the speedo. 
