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Re: 1994 gmc z71 will ls1
It is the Same Motor, Just Built Different with the Internal Components and the Computer. You may want to change out the Computer Boxes as well if you can Locate one for that Motor. Please Rate My Response! Thanks!
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Shift modulator on the transmission may be bad, or clogged filter. Maybe time to changed oil and filter. Also a simple adjustment on the trans kickdown cable, or a new cable. The cable can stretch enough to cause a shifting problem.
There were changes made to that transmission in 1994 so the answer would be no. It is also my understnding that both were used in 94 so you have to be careful there as well. If I remember correctly there should be a letter or maybe number cast into the case where the torque converter fits.I think you will find it at about the 10 o'clock position. If your trans has it you have to put that style back in. If it doesn't you can't use it. Hope this helps.
Supporting the transmission while removing the cross-member is easier. You will have the engine mount holding the whole thing in precise place, while you deal with the crossmember, and the transmission.
Comparing: if you release the engine mount bolts and jack up the drive-train, the whole thing would shift, and you could have trouble when the cross-member fails to go up well enough.
On the other hand, if the cross-member bolts fail to release due to "home-mechanic" syndrome, you have only the first option.
Hello rvkenneljmil: My name is Roger I can help you. You did not say what transmission you were asking about. GM used 3 different transmissions. The automatic was a 700Ra. The standard transmissions were a Borg warner and one made by Isuzu. The MW1 was made by Borg warner had a bolt up bel housing.The transmission bolts to it.The Isuzu transmission is a two piece transmission. The bell housing and one half of the transmission case are one piece. Depending on the transmission make sure you use the correct fluid in them. 90wt gear oil in the Isuzu transmission will destroy the bearings.The code numbers for the Isuzu is MG5/MY2/M50. Please rate the quality of the information you received. This is how we track that you received the answer you wanted. Thank You for using FixYa.Roger