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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 04-01-2010, 04:56 AM   #1
se7en

 
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Stall Converter help

Im thinking about putting a 3200 stall converter on my L99. I've read about them and understand the concept, but just wondering if i will see much of a difference once its on the car. Im putting on a Supercharger and 3:70 gears. Would i be wasting my money on a 3200 or 3000?

Some have said its like night and day and others have said its a waste of money.
Any advise would be appreciated
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Old 04-01-2010, 03:19 PM   #2
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converter in an auto is the #1 gain for drag times.. period (well for $800 about)
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Old 04-01-2010, 03:29 PM   #3
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the stock stall is about 17 or 1800rpm. i would recommend having a custom one built by vigilante. once tranny tuning is more widely available i will be getting a 2800 stall. just remember the higher you go the less fuel mileage you'll get on the highway.

just don't too big like a 3600 stall (more for pure racing applications) cuz the driveability on the street will suffer.

but for a car that spends more time on the street and a few passes a year at the strip all you need is a 28-3200 stall.

best way to determine which suites you is to call the company you want to get one from and ask which they recommend for your particular application. they all cost roughly the same so they won't try and sell you the most expensive one... hopefully
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Old 04-01-2010, 03:48 PM   #4
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I'm thinking of a 2800 stall some time next fall.

Its also important to get your car tuned for the stall (especially if you have other mods). A tranny cooler is also something you should look into.
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Old 04-01-2010, 04:36 PM   #5
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What about a sunday night special stall?
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Old 04-01-2010, 04:43 PM   #6
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What brand? You'll definitely see it in your 60' times, but you might notice (and not like) the "lazy" difference in the shifting as a result of the converter. The stock gears in the L99 and the 3200 play well together, but not as well as the stock gears from the LS3 and the 3200. If you're thinking about a stall, I'd think about a new pumpkin (gears) to go with it... and be sure to keep the stock converter if you do go with a stall.
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Old 04-01-2010, 04:51 PM   #7
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while down there changing the torque converter, you might as well put a lightweight flywheel on too. reduced rotating mass mean less parasitic power loss and quicker shifts

i dunno if anyone makes a light weight flywheel or not yet????
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Old 04-01-2010, 07:50 PM   #8
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a few things misunderstood by some of you maybe?? the converter will not really affect highway mpg in most cases, remember these cars lock up the converter and is the same as stock once on the highway.. as for the loose feeling, in most cases once you drive it around for a couple days, it feels normal, just way more responsive and quicker.. traction is the issue now... lol.

and the autos don't really have a flywheel, its a flexplate and I would never go light on that.. it's all that would connect the 400+ hp to the converter, with 3 little bolts... these are always steel, from what I have seen.
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Old 04-02-2010, 12:52 AM   #9
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Thanks everyone for the great info...... keep it coming, im still researching. Im thinking 3:70 gears so now my only question is what brand and size stall. Should i go with a 3000 stall since the car is getting blown and with 3:70's? The car isnt a weekend driver, but also not a daily driver either. I have a 1/8 track down the street from me as well. My goal is to make good track times, but leave mustangs and challengers in my rearview on the street. You only live once!!
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Old 04-02-2010, 08:55 AM   #10
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I'd get 3:70's and a Yank 3200.
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Old 04-02-2010, 03:17 PM   #11
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If you are going to do a blower I would hold off on the converter if you go w/ a roots/ screw style as they make so much torque down low it may be impossible to hook w/ a converter and a positive displacement blower. Now if you go w/ a centrifical that makes power higher in the rpm range then a 2800 converter would probably be ideal.
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Old 04-02-2010, 03:51 PM   #12
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if you add a supercharger(roots) than I don't see a need for a converter unless you put big drag slicks on it. You have so much torque and first gear is already so short on these autos that with the stock tires you can't get traction as it is, throw in a converter and I would imagine it would be nearly impossible to get any traction at all.
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Old 04-02-2010, 07:28 PM   #13
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Does anyone recommend a good tranny cooler for these cars.
I have a PI 9.5 2800 stall coming and would like to put a cooler on as well.

A good stall convertor will wake an auto car up. My 2001 SS picked up almost .5 with Nittos.
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Old 04-03-2010, 01:24 AM   #14
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Im going with the TVS 2300 blower and Hotchkis track pack suspension and 315 Nitto's. So if i stick with the stock converter and stock gear's will i be okay? I want to limit wheel spin and i think the suspension kit with this blower will help that. I had no idea that i may get to much torque with the converter and gears.

Will i be ok with the blower, suspension kit and stock gears on the street and track?
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Old 04-03-2010, 05:10 AM   #15
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I find that a trans cooler is not needed at the dragstrip because you have to wait in the pits for your next round to come up and it cools off by itself.
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Old 04-03-2010, 06:30 AM   #16
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Quote:
Originally Posted by silverfox View Post
I find that a trans cooler is not needed at the dragstrip because you have to wait in the pits for your next round to come up and it cools off by itself.
Yeah, but what about stop and start driving in traffic. Isn't that what heats up the tranmission when using a higher stall.
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Old 04-03-2010, 08:50 AM   #17
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Quote:
Originally Posted by SGOS252382 View Post
Yeah, but what about stop and start driving in traffic. Isn't that what heats up the tranmission when using a higher stall.
Exactly. For daily driving a cooler is nothing but a plus.

It will assist in keeping your auto trans from getting way hot with the slipping higher stall converter.

Last edited by SRTM4; 04-03-2010 at 09:02 AM.
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Old 04-03-2010, 08:53 AM   #18
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A higher stall converter combined with any blower or power adder will help in every way as long as you have traction. Get the right suspension setup and tires to compliment your roots or twin screw and a converter will give you killer ET's!
Nothing wrong with adding a high stall converter as long as your combination is right.
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Old 04-06-2010, 08:48 AM   #19
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Quote:
Originally Posted by RedJewel2SS View Post
the stock stall is about 17 or 1800rpm. i would recommend having a custom one built by vigilante. once tranny tuning is more widely available i will be getting a 2800 stall. just remember the higher you go the less fuel mileage you'll get on the highway.

just don't too big like a 3600 stall (more for pure racing applications) cuz the driveability on the street will suffer.

but for a car that spends more time on the street and a few passes a year at the strip all you need is a 28-3200 stall.

best way to determine which suites you is to call the company you want to get one from and ask which they recommend for your particular application. they all cost roughly the same so they won't try and sell you the most expensive one... hopefully
\


A 3600 stall has great drivability...hence my wife doesnt know my car is even stalled. On the highway I get about 21-22mpg with dod disabled too.

Traction will be a problem with a 3600. So you will need the tire to back it up. Plus if your ever going to cam it a higher stall is going to have more benifit in the end.

FI however if going with a maggie you will want a 3200 stall max so you dont miss out on your low end tq. If going with a vortech a 3600 will suit you fine.
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