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We are getting ready to do the 2004r install and rear end on the 77 very soon. You guys helped alot with questions I had in Jan about this subject and I thank all of you.
Now that its getting warm, its time to start the work. I am pretty much set with the Bowtie Overdrives stage 2 2004r and 370 rear gears. I got all the info on the shifter conversion and TV set up. The last thing I forgot about is the torque converter.
I am assuming the torque converter from the turbo 350 will not work so I was looking at the converters from bowtie. I saw a heavy duty 1800 stall and 2200 stall.
Price is good so I will get one of them too. My question after this long winded post is which one should I go with?
I know nothing about torque converters and do not know what the stall will do. The car is a stock L-48 1977 Corvette and again going with a 2004r and 370 gears with stock size tires.The engine *may* get an upgrade in the future to a 355HP ZZ4 GM crate engine, but not shure when or if that will happen.
So very simply should I put a 1800 or 2200 stall in this car?
Thanks for all the help.
Last edited by ffvetteman; Apr 17, 2007 at 07:57 AM.
Im not sure what I should be putting in. I dont know anything about the torque converters.
Well the lockup is usually associated with overdrive transmissions so I would assume you need to make sure it's a lockup first and foremost.
To be honest, BTO would be best to contact about this. Since you plan on buying from them anyway, I would call them, tell them what trans kit you're getting, and your engine and rear end specs. They should be able to tell you exactly what converter you want for your driving needs.
As you're getting a BTO Lev 2 you'll be given a locking converter. I got the 2200rpm one & am very happy with it. I was told that the stock one was about 1800rpm stall. In normal use I can't tell any difference between the original converter & the new one, but if I leave the line with a lot of throttle, or it's a steep gradient, the revs climb a bit higher than they used to. My vote is the 2200 stall converter, but it's worth asking BTO what they'd recommend for your rear gears & style of driving.
I'd agree with the suggestions above. I did a 2200 to 2400 in my 200-4R conversion and was very happy with this combo though your rear end gearing is much higher than mine.
As you're getting a BTO Lev 2 you'll be given a locking converter. I got the 2200rpm one & am very happy with it. I was told that the stock one was about 1800rpm stall. In normal use I can't tell any difference between the original converter & the new one, but if I leave the line with a lot of throttle, or it's a steep gradient, the revs climb a bit higher than they used to. My vote is the 2200 stall converter, but it's worth asking BTO what they'd recommend for your rear gears & style of driving.
Does it come with the converter? I was not sure of that because I cannot find that in the description.
I ordered my 2004R in March and it is being delivered today around 3:00P.M. I cannot wait. I will be in the garage all night getting it ready
Anyways, after lots of discussion I went with the 1800 lockup. I have 3:08 rear end and stock tires. I liked how my stock 1800 stall ran so I went with what I know.
I fugured that if I ever upgrade my engine adding another $150 to the bill for a new convertor was not a lot to replace.
Serach my name Darrel1 and you should get some of the discussion results
Darrel1
Last edited by Darrel1; Apr 17, 2007 at 12:55 PM.
Reason: Had wrong rear end ratio
Got the rear end out today. I will ship it tomorrow and order the tranny and all the stuff tomorrow also. Should be about 3 weeks on the trans and the rear end. I am shipping the rear end to Van Steel to rebuild and will be having 3.73s put in.