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Funny thing just happened to me too. I have been dealing with P1870 for a while now and just kept erasing it. Finally after I cracked my torque converter hub last week, (don't ask me how) I had the tranny shop do the TCC valve body mod while I was in the shop. The hard shift problem stayed with the car. The next day, my speedometer suddenly read zero on the highway and I came to a stop. I disconnected the Jet SCU module and I was on my way. Hard shifts were gone too, at least for a few days, but things got better. I think I need my computer reflashed to make all of this go away. By the way, valve bodys produced before 99 will have this problem sooner or later. I just think the SCU 2000 feeds a bad signal to the computer and makes things worse.
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180 Thermo, K&N Filter, Transgo stage 2, Pacesetters, Magnaflow cat, Flowmaster Catback, 3.42 LSD, Hotchkis LCA/Panhard, Bilstein, Eibach Pro, 1LE bars, SP crossdrilled/slotted rotors.<br /><br />Vortech Project 1.0 failed.<br />Vortech Project 2.0 in the works -
Believe it or not my 1-2 shift was hard when I was low on the rear end fluid. The seal was leaking and my shifts became hard when there was low fluid levels in the differential. I replaced the seal, filled the rear and it went away.2000 Silver Firebird<br />1988 Maroon GTAComment
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I’m new. I actually don’t own a Camaro or firebird. I do have a 2000 Camaro 3.8 fly by throttle and 4l60e. This is installed in a 1980 Triumph TR7...2 weeks ago -
Not much going on, replaced my Kenwood double din stereo with a Pioneer double din, the Kenwood had problems. Then replaced my power inverter for my reverse...3 weeks ago
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