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

how high of a stall?

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Old Jun 28, 2006 | 02:38 PM
  #1  
TraviZ's Avatar
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
how high of a stall?

Since I've realized my flexplate cracked and stripped in many places around the crankshaft, I am wapping Torque converters as well, with engine in sig below, I currently run a 2400 stall, people keep telling me to get more stall. How high should I go? i think 3000 sounds right because of the extra cubes, and weight, it should be a little higher anyways. whats your opinion?
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Old Jun 28, 2006 | 03:04 PM
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
3500 at least--if not 3800-4000, not to mention you have lockup so it won't be that bad on the highway or anything regardless from the TH700R4 trans.
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Old Jun 29, 2006 | 12:41 PM
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Car: projects.......
sigs not showing. - ? - anyhow, cam specs, rear gear ratio, type of tires, and what type of usage(percentage driven vs raced)?
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Old Jun 29, 2006 | 01:12 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
my hosting website must be down.. anyways
Attached Thumbnails how high of a stall?-performance.jpg  
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Old Jun 29, 2006 | 02:23 PM
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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
As far as 700r4 goes....bigger is better (to a point of course) and you have the means to use it, I wouldn't go to a 4000 with that rear...
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Old Jun 29, 2006 | 03:39 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
my next mod was to up the ante to 3.73 gears. right now i like the looks of the tci 3600 stall.
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Old Jun 29, 2006 | 04:33 PM
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From: Schererville , IN
Car: 91 GTA, 91 Formula, 89 TTA
Engine: all 225+ RWHP
Transmission: all OD
Axle/Gears: Always the good ones
If u drive it on the street the 3600 stall starts to suck it real quick if its not locked up.

Be honest about how you drive it and pick the stall more towards that side.

My TTA has a 3k stall and my Formula has the Vigi also stalling in the 27-2800 range and it works out quite well.

Also spending the $$$$ on a real converter like Yank or Vigilantes is worth every dime. Much tighter below stall for street use. I have 2 out of 3 cars equipped and if the third ever needs a tranny it will be 3-3 on the Vigi's.

later
Jeremy
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Old Jun 29, 2006 | 05:07 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
it will be lockup so it shouldnt be bad on the street correct? This car I drive for fun, to meets and the drag, whenever I feel like it I will take it to work or something. I do have a 98 z28 that is stock that i guess i could call my 'daily driver' if i need to, i dont dive it much though the iroc is too much fun! lol but now you know this isnt my only car, I never drove a high stall car but if it slips any off idle or what not, I think i can live with that.
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Old Jun 29, 2006 | 05:38 PM
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From: Indiana
Car: 87 trans am
Engine: 350 TPI bored .040 over
Transmission: modified 700r4
Axle/Gears: stock spline, 3.73 Eaton posi
do not go over your crusing rpm, the driveability will suffer
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Old Jun 29, 2006 | 06:22 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
even with lockup?
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Old Jun 29, 2006 | 10:44 PM
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
no when it locks-up then it'll be like any old converter. so if you're above the lockup speed you won't notice the difference. With a cam that big I would shoot for 3600-4000 in a lockup. My buddy drives his 4200 stall'd LS1 with lockup around town and since he bought a well built vig it drives pretty normally, not to mention you said this is a weekend fun toy.
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Old Jun 30, 2006 | 12:10 PM
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From: Southwest Florida
Car: projects.......
My buddy drives his 4200 stall'd LS1 with lockup around town and since he bought a well built vig it drives pretty normally,
that right there is why he gets buy with that much stall on the street. The cheapys(B&M, TCI) won't take it. Higher stall converters will build more heat driving around town than lower stall. Does your converter lock up normal cruising around town? Depending on speed/rpm lock up won't help if you're not running fast enough to lock up.
- Your sig posted this time. - That is a pretty decent cam for the street. If it was mostly race driven, I'd say something like 4000. Since you do drive it, although not essentially, I'd stay in the 3k range. I wouldn't do a B&M or TCI though, spend the $ and get a decent converter. Vig and Yank seem to be the most reccomended on this board, but PATC(raptor) has some pretty good one also, even Torco.
my next mod was to up the ante to 3.73 gears
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Old Jun 30, 2006 | 06:40 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
what about hughes? I don't want to spend long term funds on a TC because I just dont know how long I want to stick with an auto.
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Old Jun 30, 2006 | 08:10 PM
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Also, you might want to look into Edge Racing Converters. I bought a 3400 stall, 9.5 inch converter, and I could not be happier. Also the price is better than a few others. IIRC, I think I paid $525.00. What ever you get, be sure to install a trans cooler.

Found the ph. # 805 277 7305, ask for Andre.
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Old Jun 30, 2006 | 08:25 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
already have the external cooler too!
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Old Jun 30, 2006 | 10:37 PM
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From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
I would say 3,400-3,600 and reprogram the computer to give lock-up when you want/need it.

I run a Yank 2,800 behind an (then) almost stock TBI 350 in a Van. My thoughts are that with your cam and given how much lighter the F-body is you will want the extra stall speed. IMO, 2,400 is too low for anything.
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Old Jun 30, 2006 | 10:49 PM
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From: Indiana
Car: 87 trans am
Engine: 350 TPI bored .040 over
Transmission: modified 700r4
Axle/Gears: stock spline, 3.73 Eaton posi
stall

well if its not so much a daily driver, yeah dont worry about the stall so much
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Old Jul 28, 2007 | 10:55 PM
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From: waco,texas
Car: 1991 Pontiac Firebird
Engine: 383 LT1
Transmission: built 700r4 and fuddle 3500stall
Axle/Gears: 4th gen 3.42 auburn
Re: stall

im running a 3500stall fuddle 10" and with lockup you cant really tell the diffrence on the street. she feels really good i would recomend it to anyone in the market for a new converter
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