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#618009 - 10/30/08 12:22 AM What stall speed converter came in a stock 87 ss ?  
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87SS87 Offline
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Elmwood Park, N.J.
HELP PLEASE ! I NEED A NEW TORQUE CONVERTER!

WHAT SIZE IS A STOCK 87 SS?
WHAT IS THE STOCK STALL ?
WHAT SPLINE SIZE IS 87 SS STOCK?
DO I NEED TO ANY THING ELSE BEFORE I ORDER?
I HAVE A STOCK ENGINE AND TRANS ...WHAT BRAND SHOULD I GO WITH ?

#618025 - 10/30/08 01:14 AM Re: What stall speed converter came in a stock 87 ss ? [Re: 87SS87]  
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Jameson Offline
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Elizabeth City, NC
ok well stock is 1600-1800, its a 11in, no idea on spine tho. but go onto the turbo buick forums and look for a factory GN D5 converter. there stock one stalls at 2000-2200


1988 Monte Carlo SS Eaton 112 5.3/T56 swap, Way to many mods to list.
2015 GMC Sierra Denali



#618035 - 10/30/08 01:31 AM Re: What stall speed converter came in a stock 87 ss ? [Re: ]  
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Monte_ExpreSS Offline
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Oshawa, Ont. Canada
27 spline, & I thought the stock stall was 2025rpm for some reason?

#618085 - 10/30/08 04:42 AM Re: What stall speed converter came in a stock 87 ss ? [Re: Monte_ExpreSS]  
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baaboo Offline
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Racine, WI
I thought that they were about 13" in diameter? I heard 1800-2000 also. I'd get a 10" or 11" one; 2600-2800. Go with a decent brand, good warranty, and best price!


1987 Aerocoupe, 383 Super Ram and 20-gallon custom aluminum tank. Car retired (for now) from open road racing, but I'm not.
#618107 - 10/30/08 12:02 PM Re: What stall speed converter came in a stock 87 ss ? [Re: ]  
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Gruvin Offline
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they are bigger than 11", they are either 12 or 13" stock... The stock stall is about 1800-1900, if replacing the converter I would definitely get up to a 2400 stall in a smaller 10-11" as suggested by Baaboo1


My first SS! Sold Jan 2004
[Linked Image]
87 SS bought 9-5-04: Sold 6-18-2010 - project 87 finds a new home with another undisclosed MonteCarloSS.com member!
#618242 - 10/30/08 11:02 PM Re: What stall speed converter came in a stock 87 [Re: Gruvin]  
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87SS87 Offline
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Elmwood Park, N.J.
Has anybody bought from this site ? Scroll all they way down to see 200R4 http://web.archive.org/web/20050326085112/www.transmissioncenter.net/200-4R.htm
200-4R Transmission - Performance 200-4R Transmissions !

#618248 - 10/30/08 11:19 PM Re: What stall speed converter came in a stock 87 [Re: 87SS87]  
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87SS87 Offline
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Elmwood Park, N.J.
B&M ? Did anybody install this on a stock monte ?

http://www.bmracing.com/s.nl/c.723089/n.2/it.A/id.342/.f
Holeshot 2000

#618334 - 10/31/08 03:20 AM Re: What stall speed converter came in a stock 87 [Re: 87SS87]  
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SS4REAL Offline
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Olathe KS
Transmission center (PATC) has good stuff.
Used quite a bit of it over the years..
They have good service/ tech also and will stand behind you (unlike the thieves at bowtie overdrives).
I wouldn't use the b&m, i've heard their stuff has some
quality issues.


Black 86 SS. Stroked and Sprayed!! No Trailer Required!

#618499 - 10/31/08 10:50 PM Re: What stall speed converter came in a stock 87 [Re: SS4REAL]  
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troubleblr Offline
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lexington, NC
87 came out with 30 spline 12" converter or 30 spline 9.75" converter for 95% of the vehicles running the 700r4 or the 2004r

the 27 spline version is for 82 - 84 monte
or for the L460E transmission which arent usually stock for the monte

Last edited by troubleblr; 10/31/08 10:55 PM.
#618503 - 10/31/08 11:06 PM Re: What stall speed converter came in a stock 87 [Re: troubleblr]  
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Monte_ExpreSS Offline
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Originally Posted By: troubleblr
87 came out with 30 spline 12" converter or 30 spline 9.75" converter for 95% of the vehicles running the 700r4 or the 2004r

the 27 spline version is for 82 - 84 monte
or for the L460E transmission which arent usually stock for the monte


Welcome to the board. I think you're getting a little mixed up. All 2004r's & Montes that came with them use a 27 spline. converter.

It was the 700r4 only that switched to the 30 spline somewhere in 85 IIRC.

#618513 - 10/31/08 11:53 PM Re: What stall speed converter came in a stock 87 [Re: Monte_ExpreSS]  
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Gruvin Offline
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Texas
Originally Posted By: Monte_ExpreSS
Originally Posted By: troubleblr
87 came out with 30 spline 12" converter or 30 spline 9.75" converter for 95% of the vehicles running the 700r4 or the 2004r

the 27 spline version is for 82 - 84 monte
or for the L460E transmission which arent usually stock for the monte


Welcome to the board. I think you're getting a little mixed up. All 2004r's & Montes that came with them use a 27 spline. converter.

It was the 700r4 only that switched to the 30 spline somewhere in 85 IIRC.
yup, All 200-4R transmissions have a 27 input shaft spline count.

The original version of the 700 transmission had a 27 spline input shaft which was a common failure point. In 1984, 700R4s designed for use behind Chevrolet small block V8s received a 30 spline input shaft which used a different torque converter than its 2.8 V6 and 2.2 L4 powerplants. Between 1984 - 1987, internal components, from the ring gear to the oil pump housing, were updated, ending with the auxiliary valve body (for 700s manufactured after October 1986).

more similarities and differences listed here:

http://www.darklair.com/monte/200.vs.700.html


My first SS! Sold Jan 2004
[Linked Image]
87 SS bought 9-5-04: Sold 6-18-2010 - project 87 finds a new home with another undisclosed MonteCarloSS.com member!
#1071687 - 08/19/21 12:19 AM Re: What stall speed converter came in a stock 87 [Re: 87SS87]  
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Cheford Offline
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Ottawa, Ontario
So if i'm building a 383ci....with the stock trans in a 1987 Monte SS with the 200-4R trans. The cam i bought and carb recommend a 2400 stall.....would i need a 27 spline? what diameter? car will be a cruiser (street/strip)


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#1071721 - 08/20/21 10:46 PM Re: What stall speed converter came in a stock 87 [Re: Cheford]  
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BadSS Offline
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Originally Posted by Cheford
So if i'm building a 383ci....with the stock trans in a 1987 Monte SS with the 200-4R trans. The cam i bought and carb recommend a 2400 stall.....would i need a 27 spline? what diameter? car will be a cruiser (street/strip)


What cam and carb are you going with and what are your performance goals? The reason I ask is fi it is truly a stock SS converter (not replaced during a transmission rebuild at some point), it should flash to around 2,000 rpm with the 305. Check it by putting on the parking brake outside in an open area, hold the brake pedal down also, then stab the gas off idle while watching the tach and see where the tach "jumps" to. If it jumps up to around 2,000, then you may not need another converter as it should jump past 2,200 rpm with the 383. This is especially so if you're not going to race it on a regular basis and the cam in the 383 will let you set the idle at 800rpm or below.

Obviously, it's a LOT easier to change the converter while the engine is out if you "need" one. So, this would be the time to make a change. However, depending on your overall performance goals, you may want to just get by with what you have right now and save up for a beefier transmission swap later. The stock 200-4R will disintegrate with anything making 400HP and there are not many places that can build a 200-4R to handle much more than 400HP and stay together.

Edit: It's also CRITICAL to make sure you have the detent cable set correctly on the 200-4R, which isn't easy to do with an aftermarket intake and carb - so be mindful of that and make sure it's where it needs to be BEFORE driving it.

Last edited by BadSS; 08/20/21 10:50 PM.

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