Transmissions and Drivetrain Need help with your trans? Problems with your axle?

9" jegs converter

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Old Apr 25, 2005 | 07:03 PM
  #1  
fun Pain's Avatar
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From: Crestline,OH
Car: 1987 Formula 350
Engine: 6.0 boost and smak
Transmission: 4l80e
Axle/Gears: 9bolt 3.27
9" jegs converter

does anyone run this converter (jegs)... and if so what are your thoughts.... i have read that the 10" tci is good for the money...

I am between two different ones the

TCI-243105
http://store.summitracing.com/defaul...h.asp&N=400252

OR

jeg's 9"plus
555-60422
http://www.jegs.com/cgi-bin/ncommerc...01&prmenbr=361

P.s. i know vig or pro are better but i need the money for the cam and intake swap....HSR/hotcam
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Old Apr 25, 2005 | 07:12 PM
  #2  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
When buying any converter you always get what you paid for. An inexpensive converter will never be a good performance converter.

A 9" converter can stall higher easier than a 10" converter with the same stall speed. For the 10" to stall at the same high speed, it needs to slip more. The more a converter slips, the more heat it generates.

My current converter is a JW 8" race converter that I paid $1200 Canadian for quite a few years ago. I had it rebuilt locally last year for a couple of hundred bucks. When it's time for another rebuild, I can get a 9" made locally for about $1000 that will be stronger than the 8" and give the same stall speed.

Externally an 8, 9 and 10" converter will look the same. The external dimensions are all 10". The 8 and 9" will have the smaller parts on the inside of the housing.
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Old Apr 25, 2005 | 09:06 PM
  #3  
fun Pain's Avatar
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From: Crestline,OH
Car: 1987 Formula 350
Engine: 6.0 boost and smak
Transmission: 4l80e
Axle/Gears: 9bolt 3.27
so your saying go with the jegs 9"
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Old Apr 26, 2005 | 06:57 PM
  #4  
fun Pain's Avatar
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From: Crestline,OH
Car: 1987 Formula 350
Engine: 6.0 boost and smak
Transmission: 4l80e
Axle/Gears: 9bolt 3.27
anyone else have an idea or ever have one of these....
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Old Apr 27, 2005 | 06:00 AM
  #5  
IHI's Avatar
IHI
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From: Waterloo, Iowa
Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
I ran the Jegs unit for 2 years with great results. very cheap (big plus back then), flashed to 3600 (rated for 3500), and very cery consistent and repeatable in the 1/4mi as far as mph was concerned with no excessive slipping. It was the ideal street/strip convertor and would have no problem buying one again. I believe TCI manufacturers the Jegs convertors anyways.
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Old Jul 27, 2005 | 10:02 AM
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Johnny Blaze's Avatar
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From: Charlestown, IN
Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
I am looknig at these also. Anyone else have run them?
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Old Jul 28, 2005 | 03:31 AM
  #7  
83 Crossfire TA's Avatar
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From: DC Metro Area
Car: 87TA 87Form 71Mach1 93FleetWB 04Cum
Originally posted by IHI
I ran the Jegs unit for 2 years with great results. very cheap (big plus back then), flashed to 3600 (rated for 3500), and very cery consistent and repeatable in the 1/4mi as far as mph was concerned with no excessive slipping. It was the ideal street/strip convertor and would have no problem buying one again. I believe TCI manufacturers the Jegs convertors anyways.
so I take it that you're describing teh 3200-3600 stall converter?
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Old Jul 28, 2005 | 06:29 AM
  #8  
IHI's Avatar
IHI
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From: Waterloo, Iowa
Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
Waay back then it was just labeled the 3500+
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