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LS2 GTO Guys, Which Converter?

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Old May 29, 2007 | 09:43 PM
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Default LS2 GTO Guys, Which Converter?

I mainly street drive the car and do a little drag racing and autocrossing as well. Because of the street driving and autocrossing I want to keep the stall pretty low (and I dont want to hear about how a larger stall can be streetable because my old Trans Am had a 3200, 3500, and then a 4000 stall and was a street car through and through so I know about the bigger stalls and how they drive and the 3500 and 4000 stalls wouldn't cut it at all in autocross and I dont want to lose that in the GTO). I'm just curious what you guys are running and how you're liking it.

Right now a PI Vig 2800 is at the top of my list but I'd also consider a Yank (at the top of my list besides a PI) Performabuilt, an Edge, or a Fuddle. Thoughts?
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Old May 30, 2007 | 06:03 AM
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Well from what i've heard other then just slapping on a big stall, you want one thats right at the beginning of your powerband. That way your always going to be in it. I dont have experience with different stalls, but if you put a stall thats 400-1000 over where you get max torque (say 2700 rpms), you just shorten up your powerband?

Or i'm I confused? lol
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Old May 30, 2007 | 08:55 AM
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A converter around a 3000 9.5 inch with a low str ours is typically 1.69 would probably be ideal .Low STR will keep your efficency up while still adding that extra kick .
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Old May 30, 2007 | 06:53 PM
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...but will give you hardly any torque multiplication. If you drive your car on the street a lot and want to keep things tight, I don't recommend a low STR. Keep it between 2.0-2.5.
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Old May 30, 2007 | 11:51 PM
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I dont care to pick up increased torque multiplication, I'd rather not have the car feel like it falls on its face in the higher RPMs like all the other converters I've had (3200/2.2, 3500/2.5, 4000/2.8). Also I'll be on 19" street tires so I dont need a ton of STR as it'll just cause increased traction issues.

As long as it maintains the same low end as stock (aside from the looseness), puts the car into its powerband faster and keeps it there after shifts, and maintains efficiency through the upper RPMs I'm a happy camper. In the future the car may see FI either by way of an ATI Procharger or (most likely) an APS twin turbo kit, so I'll need a little stall then anyway.

Performabuilt, do you guys think you could put me together a converter that would achieve what I want (be good for street use and maintain efficiency in the upper RPMs and still provide an extra kick for autocross and drag racing to get the car into its powerband a bit faster)? If you guys can please PM me on details and pricing I'd like to see what such a converter would offer me and run me.
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Old May 30, 2007 | 11:54 PM
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Originally Posted by josh99ta
I dont care to pick up increased torque multiplication, I'd rather not have the car feel like it falls on its face in the higher RPMs like all the other converters I've had (3200/2.2, 3500/2.5, 4000/2.8). Also I'll be on 19" street tires so I dont need a ton of STR as it'll just cause increased traction issues.

As long as it maintains the same low end as stock (aside from the looseness), puts the car into its powerband faster and keeps it there after shifts, and maintains efficiency through the upper RPMs I'm a happy camper. In the future the car may see FI either by way of an ATI Procharger or (most likely) an APS twin turbo kit, so I'll need a little stall then anyway.

Performabuilt, do you guys think you could put me together a converter that would achieve what I want (be good for street use and maintain efficiency in the upper RPMs and still provide an extra kick for autocross and drag racing to get the car into its powerband a bit faster)? If you guys can please PM me on details and pricing I'd like to see what such a converter would offer me and run me.
I would say most definatley and the prices are listed on our site
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Old Jun 1, 2007 | 07:37 AM
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For you tranny experts I got a questoin. With lockup converters, what does that do to aid your cruising speed? Say you cruise at 2300rpms on the highway but have a 3600 stall. Does the converter when locked up pretty much get rid of the fact that you havent reached stall yet? Cause i've heard that if your driving around in rpms lower then your stall it'll heat the crap out of the tranny and burn it up quick.

Sorry if this is kind of a thread hyjack.
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Old Jun 1, 2007 | 08:47 AM
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Yes at cruising speed the lockup clutch comes on and effectivly eliminates the converter stall and make power transfer through the converter 1 to 1 no slip.
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Old Jun 1, 2007 | 04:12 PM
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I would stay with the Vigilante that you were looking at, keep the STR down, a max of 1.8 and maybe a little less. This will keep the big end strong. I do not like to sacrifice MPH for ET in the vast majority of cases.
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Old Jun 2, 2007 | 11:44 PM
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I agree PBA. I definitely dont want to sacrifice MPH because its a street car first and foremost and I want it to feel fast and pull good on the top end.

Performabuilt, I'll definitely be looking into you guys. The Vig 2800 has a heck of a reputation for what I'm looking for but I definitely like the idea of something a bit more tailored towards my specific goals with the car.
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Old Jun 3, 2007 | 01:14 AM
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Well we are more efficient than vig do a search
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Old Jun 3, 2007 | 09:38 AM
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And for me thats the name of the game. So from you guys I'd be looking at a 9.5" 3000 1.69 STR stall correct? Does your standard off-the-shelf 3000/1.69 fit what I'm looking for or if I order online is there anything I'd need to specify so I get the converter with the efficiency I need?
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Old Jun 3, 2007 | 11:18 AM
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Our converters are not off the shelf they are custom built for your car, And theres aplace oline to fill in the information needed,
thanks
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