[cdnturboz]

So I found a 2004r out of a 86 cutlass for decent price ($250) to possibly put behind my Pontiac 400 in my lemans.

Doing some research it sounds like the GN or Monte SS ones are the best, but can this “plain jane” 86 cutlass one be upgraded to be just as strong?

I would want the trans to be gone through regardless so not worried too much as long as the trans itself is a good rebuildable core/it’s possible to get it close to a GN unit.

[67Lemons]

This has been a controversial mod for years, there are plenty of folks who say that a 200 can’t be built strong enough with the same amount of people saying that it can with a ton of money. There’s also the group that says to run a 700R4 since that’s stronger and another group who says to run a 4L80E, in other words with enough money any of these are a good choice. I go for the 2004R because it’s a BOP bell pattern almost the same exact length as the ST300 requiring no driveshaft mods. Have someone competent go through the trans using quality parts and you’ll be fine unless you’re over 500 hp with a lot of track time. You’ll need to decide if you want a lock up converter or not and wire accordingly, finally you’ll need to figure out your TV cable situation, again plenty of info here and on the internet. Read up on all the choices I mentioned before spending a penny , dollar for dollar none of these are cheap but they’re also possibly the best modification you can do to your ride to get more miles/smiles.

[VCho455]

Reach out to Extreme Automatics and CK Performance. Both are well regarded in the GN world.

[cdnturboz]

Yeah overall for what I’m doing (no track days) I figured it would be fine, mostly just curious if I should wait and find a better Monte SS or GN trans, or if the internals of this cutlass one can be somewhat upgraded to be similar

[Half-Inch Stud]

Monte SS cars are/were easily found in neglected shape. Nearly all GNs were cared for.
Cutlass probably all crushed. I got no idea of the internals diference.

Bell adapter ought be like$60.

[Steve C.]

I can highly recommend the Bowtie Overdrives TV and Throttle Cable SYSTEMS.

https://www.bowtieoverdrives.com/



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[Scarebird]

Originally Posted by Half-Inch Stud

Monte SS cars are/were easily found in neglected shape. Nearly all GNs were cared for.
Cutlass probably all crushed. I got no idea of the internals diference.

Bell adapter ought be like$60.

No adapter needed, bolts right up. Flex plate may need some holes drilled for the torque converter.

1972+ Cutlasses are very highly prized in the SW states - you do not leave them unattended in ABQ...

[stevep]

Being a 50 year veteran in the transmission world, I like the 700 a bit better. You can make a 200-4R strong, but it requires a lot of $.
The 200-4R will be fine with minor upgrades (Trans-Go kit, pump veins/rings etc and a better servo) for normal use and it bolts right up.
Internal parts are pretty much the same.
I also recommend Bowtie Overdrives for the cable systems.

[Cardo]

Do not use Extreme Automatics. I had them build mine because they are somewhat local. It started with them selling me the wrong converter for the transmission that they built me, and not being willing to exchange me for the correct one. (It sat for 2 years while I finished the car. I told them that right up front, and they promised they would work with me if there were any problems.) After an extra 2K in converter, a refresh, and parts and pulling the trans 3 times I ended up fixing mine myself with some help from CK. Definitely use CK or Bowtie.

[turbo69bird]

My buddy in act builds these for GNs all day long and they are about bullet proof when he’s done if you want his number I can send it to you he’s got them running in the 9s for street cars reliably.

His name is Brian Bissonette can probably look him up as well

[cdnturboz]

Thanks guys - and I’m guessing it’s safe to say that rebuilding a 200-4r is much more expensive than your typical turbo 400 build?

[JLBIII]

Originally Posted by cdnturboz

Thanks guys - and I’m guessing it’s safe to say that rebuilding a 200-4r is much more expensive than your typical turbo 400 build?

It depends on your end use. You can put thousands into either rebuild. I wanted an OD trans so I went with a TH2004R Stage 2 that was built by Extreme Automatics to be for street/strip use behind a 461 stroker engine. I didn't have a core so they supplied one. I supplied the converter. Now running 11.56 in a 68 Firebird. This past spring I had a reverse manual valve body installed by a local shop. I'm having a lot of fun with it. I will say both myself and the shop that installed the manual valve body had a positive experience dealing with EA. Good luck with your project!

[Goatracer1]

I've had a Bow Tie Overdrives 200-4R in my 1967 600 hp GTO since about 2002. It came out of my son's 11 second 1987 Turbo Regal so it was used when I installed it. Built well they are great.

[HWYSTR455]

Chris at CK won't touch a 200 anymore, and I bought the baddest BTO 200 at the time and it never worked right. They exchanged it twice and the 3rd time they sent it back I sold it.

I don't think JakeShoe does 200s anymore either. Both at one time or another said good cores are hard to come by, and they had too many callbacks.

Pretty sure both of them still sell the proprietary parts they designed/developed, they just won't install them.

Don't even bother mentioning Art Carr.

200s stock are rated around 275-300 ftlbs, HP means nothing to a transmission. TH400 is rated at 450-500 ftlbs. SO basically, the numerical value is what GM trans' are rated for. The closer you get to the peak of a rating, the shorter the life of the trans.

Only way to make them stronger is with aftermarket parts, which gets expensive. By the time you get one worked out it will still just be a 200. And no one that I've heard of makes an aftermarket 200 case. With the money you spend you can buy 3 4L80Es.

"All the turbo guys are running them w X boost and into the 9s or deeper, and they live". Farce. most go thru their' trans' every year.

Now I know some legitimately run good times and having them last, but those are anomalies. Even the turbo guys now are moving over to 4L80Es.

Look how many on this board run 4L80Es and look how many complain compared to the ones with 200s. That is all you need to know. Or even just google 'th200-4r broke'.

It's your bbq, do what you want, but the odds are against you. Same with 700s.

Why not call CK or Jake and ask? I don't think they even recommend them anymore.


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[BAMiller]

I built one for my 69 Camaro about 15 years ago. very mild small block chevy it has worked fine. One problem is you cannot buy the performance governors anymore. Without them it will shift to soon. I have seen online guys modifying them by grinding the weights. You have to drop the pan to remove the governor on a 2004r. I decided to go with a 4L80 on my current build.

[cdnturboz]

Thanks guys didn’t know about the governors being obsolete - think I may just stay TH400 or if I really want a overdrive spend the money on a proper trans.

[Dlaw455]

Originally Posted by HWYSTR455

Chris at CK won't touch a 200 anymore, and I bought the baddest BTO 200 at the time and it never worked right. They exchanged it twice and the 3rd time they sent it back I sold it.

I don't think JakeShoe does 200s anymore either. Both at one time or another said good cores are hard to come by, and they had too many callbacks.

Pretty sure both of them still sell the proprietary parts they designed/developed, they just won't install them.

Don't even bother mentioning Art Carr.

200s stock are rated around 275-300 ftlbs, HP means nothing to a transmission. TH400 is rated at 450-500 ftlbs. SO basically, the numerical value is what GM trans' are rated for. The closer you get to the peak of a rating, the shorter the life of the trans.

Only way to make them stronger is with aftermarket parts, which gets expensive. By the time you get one worked out it will still just be a 200. And no one that I've heard of makes an aftermarket 200 case. With the money you spend you can buy 3 4L80Es.

"All the turbo guys are running them w X boost and into the 9s or deeper, and they live". Farce. most go thru their' trans' every year.

Now I know some legitimately run good times and having them last, but those are anomalies. Even the turbo guys now are moving over to 4L80Es.

Look how many on this board run 4L80Es and look how many complain compared to the ones with 200s. That is all you need to know. Or even just google 'th200-4r broke'.

It's your bbq, do what you want, but the odds are against you. Same with 700s.

Why not call CK or Jake and ask? I don't think they even recommend them anymore.


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What's wrong with Art Carr 200 4r? I have one behind my 800hp 535 and it works perfect. It wasn't cheap though. I think around 5500 with 9" converter.

[kingbuzzo]

I don't have any experience with a 200 but have been researching the 700r vs gear vendors 400 bolt on.

There is a guy in trashcona doing reasonable built 700rz apparently.

Good luck with her project.

[HWYSTR455]

Originally Posted by Dlaw455

What's wrong with Art Carr 200 4r? I have one behind my 800hp 535 and it works perfect. It wasn't cheap though. I think around 5500 with 9" converter.

The real Art Carr sold the biz in like the 90s, and went to CPT:

https://cpttransmission.com/

The original shop has pretty much been a revolving door of people and output has been hit or miss at best.

The fact remains, no one makes an aftermarket 200 case, and the good cores are pretty dried up. When internal parts let go, most times they damage the case, and at that point it's done. And good 'strong case' cores are stupid money, IF you can find them.

The 4L80/85E is based of the TH400, is much stronger, and much less expensive, as well as readily available. And the driving experience is light years ahead of the non-E units.

And you can apply that statement to a GV unit too.

Beat to death topic.

Not saying that a 200 CAN'T work/live, it's just more expensive and you get less of an acceptable driving experience.

Many people that have them live generally are not beating them or are exaggerating true power numbers. And not trying to be offensive.



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[Dlaw455]

Agreed that Art sold the business and others have been running it. I dealt with Juan who seems very knowledgeable and so far so good. Surprisingly he nailed the converter stall of 3200 on the first attempt too. I'm still not sure if I like the 2.74 first gear. With all the pontiac torque plus that ratio it's a handful.