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I have a 90 4dr auto LS and it's pretty high milage. 198k, to tell the truth. I'm planning to rebuild with SiRII pistons with 10.4:1 compression and all new bearings, rings and seals. Any tips, tricks, or news I should know about before attempting.(Anyone that can speak from experience?) I basically want the poor thing to have a bit more pep.
Also, I had to replace the tranny when I bought it, and I did a junkyard tranny, which works fine, but it's showing signs of what the first tranny was doing. Here's what that was: When cold, it wouldn't shift past 2nd gear until it was good n' warm. The newer one just hesitates some on getting into 3rd when it's cold. So, pretty similar on what's happening here. Here's the question. Is a rebuild with new clutches and plates going to help/fix this problem, or is it something simpler...perhaps the shifting solenoids? I am under some pretty heavy budget stress, so the I need to hit the problem on the head the first time. Other than the cold shifting troubles, both trannies seem to shift great. I will say that the first tranny would have a gear change hesitation if you were only slightly on the throttle. Any full throttle shift is good and solid, but it just seemed to hang in 2nd too long if I wasn't on it.
The goal, here, is to get the motor renewed some, and get this first tranny back in the car, but working correctly.
Thanks for any help in this!
Also, I had to replace the tranny when I bought it, and I did a junkyard tranny, which works fine, but it's showing signs of what the first tranny was doing. Here's what that was: When cold, it wouldn't shift past 2nd gear until it was good n' warm. The newer one just hesitates some on getting into 3rd when it's cold. So, pretty similar on what's happening here. Here's the question. Is a rebuild with new clutches and plates going to help/fix this problem, or is it something simpler...perhaps the shifting solenoids? I am under some pretty heavy budget stress, so the I need to hit the problem on the head the first time. Other than the cold shifting troubles, both trannies seem to shift great. I will say that the first tranny would have a gear change hesitation if you were only slightly on the throttle. Any full throttle shift is good and solid, but it just seemed to hang in 2nd too long if I wasn't on it.
The goal, here, is to get the motor renewed some, and get this first tranny back in the car, but working correctly.
Thanks for any help in this!