200-4r tranny

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Jan 27, 2004 | 05:18 PM

#21

gkull

Team Owner

Joined: Apr 1999

Posts: 21,953

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From: Reno Nevada

2024 C3 of the Year Finalist- Modified

Re: 200-4r tranny (redwingvette)

I just read the BTO level #3 link and I would go with that as a minimum.

I would also ask about if it was modded to be able to run full throttle in 4th gear OD

Jan 27, 2004 | 05:54 PM

#22

79VetteMike

Melting Slicks

Joined: Jan 2003

Posts: 2,804

Likes: 1

From: OKC Oklahoma

Re: 200-4r tranny (BrandonS)

I've got the BTO Level 3, but the car isn't back together yet. The Level 3 is rated at 600+hp. I don't have anywhere near that YET, so I wouldn't be able to tell you how it is for a while. I got the complete kit with the shifter converter and braided TV cable, etc. Anyway, hopefully it will hold up with no problems. At least it better, I plan on taking some long trips in this car.

Jan 27, 2004 | 06:08 PM

#23

gkull

Team Owner

Joined: Apr 1999

Posts: 21,953

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From: Reno Nevada

2024 C3 of the Year Finalist- Modified

Re: 200-4r tranny (79VetteMike)

79Vettemike - what kind of converter stall did you get and how much was the actual package deal.

I have a 9.5 inch 3500 with 3 lockup clutch plates - Does BTO offer stuff like that?

according to the link the level 3 was rated 450 hp and 450 tq.

Jan 27, 2004 | 06:26 PM

#24

79VetteMike

Melting Slicks

Joined: Jan 2003

Posts: 2,804

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From: OKC Oklahoma

Re: 200-4r tranny (gkull)

Quote:

Oops- sorry about that. When I got it several months ago, they told me it would handle 600hp. In other words, stouter than the 450hp Level 2. They mentioned 600hp, so I figure that is the magic number. I figure if I'm making that much hp, I am on my own with an exploding trans. Anyway, my convertor is a 2200. That's what they recommended for what I have right now. To be honest with you, I've completely built the car exceeding the capabilities of the engine, so when I do go big(big small block), everything else will be up to task. :)

Jan 27, 2004 | 06:48 PM

#25

Jvette73

Safety Car

Joined: Jun 2001

Posts: 4,004

Likes: 2

From: Severna Park Md

Re: 200-4r tranny (gkull)

I give my 200 everything my motor has to give. Its got a harsh shift kit too so it shifts pretty hard. Yeah, burnouts full throttle upshifts at redline all of it. Its holding up good. If you really wanna get into the heavy duty 200's check out turbobuick.com and thier trans talk section. Those guys have cars in the 10's using the 200.

Jan 28, 2004 | 07:35 AM

#26

UKPaul

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Joined: May 2001

Posts: 3,758

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From: Surrey

Re: 200-4r tranny (comp)

Quote:

ukpaul , I GOT IT,,,, been there done that :banghead: :banghead: :lolg: :lolg:

Yup, dear Uncle Joe has taught me 2 things about auto electrics:
1. Don't trust them
2. It can hurt!

Quote:

i was under the impression the 200 was less of a HP eater big reason GN boys
went back after running 700's when your at 9.20's you don't want to back up to 9.35-9.40's is basicly what i got from a few guy's

I think that the 200 might be chosen over the 700 due to the more even gear spacing. There is a very low 1st on the 700 but a big jump when shifting into 2nd which causes a big rpm drop. So, if the car has a powerband (peaky torque curve), it could be that you'd need to take the rpms up to a high level to ensure that when shifting into 2nd the rpms are within the power band & don't drop so far that the motor is lugging. Taking the rpms up high enough to do this could mean that it's running well past the peak power rpms.
With a 200 the gear shifts can occur in such a way that the motor is always running within its powerband.
This is just a guess, but it could be like drag racing a tuned 2-stroke m/cycle without a 2nd gear - you'd have to scream the nuts off it in 1st to ensure that when you change up to 3rd the rpms don't drop to below the powerband & bog the motor. And when you're trying to build up the rpms you're losing time as you aren't accelerating as fast as you could be. The 200 would be equivalent to the m/cycle having a 2nd gear.
I may well be wrong on this.....
:cheers:

Jan 28, 2004 | 08:35 AM

#27

427V8

C6 the C5 of tomorrow

Joined: Nov 2000

Posts: 6,665

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From: Twin Cities Minnesota

Re: 200-4r tranny (UKPaul)

Chris of Ck performance has stated that the 700 has less rotating mass than the 200. I don't remember the details tho.

He builds both for high perf use and is a frequent poster over at turbobuick.com

Jan 28, 2004 | 05:26 PM

#28

Jvette73

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Joined: Jun 2001

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From: Severna Park Md

Re: 200-4r tranny (UKPaul)

The 700 is Chevy pattern bellhousing only. The 200 is dual pattern and will work in behind Chevy as well as Buick, Pontiac, Olds and Cadilac. So the V6 Buick guys had no choice but to develope the 200 as thier OD trans. They are mainly responsible for the rising of the 200 into a respectable unit.