2004R - what manufacturer? - Chevelle Tech
Transmission & Driveline Transmissions and Differentials

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post #1 of 14 (permalink) Old Oct 14th, 19, 3:13 PM Thread Starter
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2004R - what manufacturer?

It’s time to pull the Powerglide, ‘66 Chevelle with 283 and 3.08 rear gears.

283 will probably stay for another year, then maybe a 350/383 in the 375-400hp range.

Car is a cruiser, 7K miles/year.

Possibly changing gears (more than likely I’ll need to) at some point.

Not aware of a local builder (Seattle area)for a good 2004R.

Any recommendations of a builder/manufacturer for a reliable unit?

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post #2 of 14 (permalink) Old Oct 14th, 19, 6:00 PM
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Re: 2004R - what manufacturer?

I purchased a 2004R from Bowtie Overdrives about 2 1/2 years. So far, so good - no issues. I got their "level 2" build which is good to around 450/500HP.

I also changed from 2.73 to 3.73 gears just prior, so it's a good combination on the street and cruising the highway. 3.08 may be a bit too stiff on the highway.

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post #3 of 14 (permalink) Old Oct 14th, 19, 7:49 PM
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Re: 2004R - what manufacturer?

I'd recommend that you find a transmission builder who is local to you. Ask around at car shows or ask local car club members for recommendations (there must be a couple of guys here that live in the Seattle area).

Sure the national mail-order rebuilders offer a warranty, but in reality that warranty is basically worthless -- at best it is a very poor reason to buy a mail-order transmission. Why? Because if your transmission goes south, you have to remove the transmission from your car. you have to crate it for shipping. You have to take it to a shipper. You pay for shipping to the national mail-order rebuilder just so they can look at it and determine if they will honor the warranty . If they won't honor the warranty , you pay them to repair the transmission. You have to pay for shipping from the national mail-order rebuilder. You have to reinstall the transmission in your car.

With a local builder the worst case is that you have to pay to have your car towed to the shop. Yes, you may have to pay for repairs if your local builder won't honor their warranty. But, you're not doing all that other costly stuff (removal, shipping, shipping, reinstalling).

I asked around and discovered a great local builder just a 1/2 mile from my house. The builder does an everyday job of fixing Dorfs, and Toyotas, but he lives to build performance transmissions for old cars, and best of all he is HONEST.
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post #4 of 14 (permalink) Old Oct 14th, 19, 8:03 PM
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Re: 2004R - what manufacturer?

Without a doubt, find someone local.
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post #5 of 14 (permalink) Old Oct 14th, 19, 8:14 PM
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Re: 2004R - what manufacturer?

If you can't find someone local (and you say you can't, and I could not either even after asking around quite a bit) - CPT Transmission. The real Art Carr. Absolutely outstanding customer service and they build a good unit.


I recently had a stupid part start making noise at just barely a year after purchase (and just under a year after install.) Turns out a spring on the low roller clutch started scraping the shell, and they paid to have it shipped back, fixed and then shipped back to me. Super fast turnaround and awesome responsiveness and customer service. I wish all vendors were as responsive as them. I actually talked to Art himself multiple times as they had me diagnose it and finally it came down to this part and we agreed, it had to come apart to be fixed.

I expected to have to pay the shipping back and forth (part of the deal when you do long distance) but when I asked how much the shipping would be while arranging it, they said, "we got this." They tore it down, found the broken part, fixed it, rebuilt it, dynoed it and had it ready to come back within 2 days of receiving it. I think it went right to the front of the line.

Again, I can't say enough at how outstanding they were.

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post #6 of 14 (permalink) Old Oct 14th, 19, 11:55 PM
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Lightbulb Re: 2004R - what manufacturer?


Chris engineered the components that allow this trans to live at hi-HP levels.

Check his website. Give a call.
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post #7 of 14 (permalink) Old Oct 15th, 19, 8:15 AM
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Re: 2004R - what manufacturer?

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Local would be the best, but here are 2 of the best. David will answer his phone 7 days a week.
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post #8 of 14 (permalink) Old Oct 18th, 19, 7:06 AM
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Re: 2004R - what manufacturer?

Another vote for David.
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post #9 of 14 (permalink) Old Oct 18th, 19, 8:29 AM
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Re: 2004R - what manufacturer?

There are a bunch of mail order ones i would stay far away from, but have always heard good things about the above mentioned.

I still vote for local build. Find a core, or even one that "is in perfect working order". If you found one that was good, jam it in there with the 283 and see how she does. its not a huge project, and if memory serves me both trans are the same length, and same spline count. A stock 2004R should live just fine behind a 283, unless you "use your car in anger" (i totally stole that line from another member here)

I picked up a 2004r for $212, put a new front seal in it, and stuck it in. Its a stocker, and it works great behind the 400 in my Monte.

Search CL for 2004r, 200 4r, 200r4, 200 r4, and even g-body, and MCSS parts.
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post #10 of 14 (permalink) Old Oct 24th, 19, 9:06 PM
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Re: 2004R - what manufacturer?

Ive got one built for 600 HP.
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post #11 of 14 (permalink) Old Oct 25th, 19, 1:56 AM
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Re: 2004R - what manufacturer?

You want a great trans? Buy the one Jake has. Simple
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post #12 of 14 (permalink) Old Oct 25th, 19, 1:45 PM Thread Starter
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Originally Posted by jakeshoe View Post
Ive got one built for 600 HP.
Jake, sent you PM.

Thanks everyone for the suggestions.
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post #13 of 14 (permalink) Old Oct 26th, 19, 10:55 AM
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Re: 2004R - what manufacturer?

I have had 2 200-4Rs, one from Jake Shoe and the other from Art Carr and both were fantastic units. I used to live in Huntington Beach not far from Art's shop and will second the customer service comments above. Good to see someone looking at the 200 instead of the 700. The 200 is a much better trans.

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post #14 of 14 (permalink) Old Oct 26th, 19, 11:02 AM
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Re: 2004R - what manufacturer?

Like the gearing of the 200r, if I went auto id look into one.
that steep 1st gear and 2nd gear drop of the 700r isnt ideal (to most anyways).
Another vote for local. Warranties are no good if they dont honor them, gotta payship etc
Too many horror stories of hearing the right things, guy ships the place his trans then once they have it they blame him and hes $tuck.

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