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Topic Review (Newest First)
04-25-2012 07:21 PM
86iroc Yup I had the cover off before I put it in a couple weeks ago. So you think it Is the torque converter? What do you think the average speed in third I should be able to reach cruising comfortably. Right now it is uncomfortable to drive the streets at 4,000 rpm keeping up with traffic.
04-25-2012 07:07 PM
hpete If 3rd gear is engaging and not slipping it's either the torque converter or the rear end. Are you sure the gears are 3.73?
04-25-2012 12:58 PM
86iroc That's what i thought at first but I can shift through all the gears manually and it hits them all. I understand their are some low geared cars out there but I feel i should be able to at least drive over 50. The transmission was rebuilt with a shift kit by a transmission shop. But I don't think that is the problem. Someone also said the transmissions 3rd gear could be built at a higher ratio than normal. So i don't know i'm at a bump in the road on this one.
04-25-2012 12:46 PM
hpete Are you sure your in high gear? It sounds like your in 2nd.
04-25-2012 01:30 AM
86iroc
86Iroc

I would like to go with a 700r4 but it would need to be built for my motor. Thanks for the replies. Maybe it is normal the way it is now. If so i need to do something to change that because its real fast around town but I cant drive the interstate unless i want to drive around 6,000 rpm. The torque converter must not be the problem.
04-24-2012 08:54 PM
onlyfnway I drive a 94 fire bird 4l60e with 3.73 gears! at 70mph it turns about 2700 rpm? at 3500 rpm were not getn passed by to much on the road.
04-24-2012 09:22 AM
kustomiser i have a 86 iroc with a 700r4 and 3.73 gear rearend and in 4th i an running around 3500 in 4th at 60 so the 4000 rpm could be right with the th350 but not sure
04-24-2012 12:51 AM
86iroc
86 Iroc z

Hello I have a problem. I have a 86 Camaro with a 383 stroker engine in it. It been bored .030 over with a 400 crank and so on. I am running a turbo 350 with a newly installed 10 bolt 3.73 rear end. I am running the B&M 20404 torque converter I think it is. Which would be a 2400 stall. When I am driving I am driving i am at 4,000 rpm at 50mph. I'm pretty sure that's not normal for my setup. I was leaning towards bad or wrong torque converter but I'm not 100% sure on the exact problem and wanted to see if anyone would know or give any feedback on this. Thanks

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