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Old 07-26-2009, 06:35 PM   #1
ToddSS
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6l80 torque converter stall

Does anybody know what the stock 6l80 torque converter stall is? It seems to be real tight and was wondering if Yank or PI makes one for this tranny yet
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Old 07-26-2009, 06:39 PM   #2
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Yank SS3200 is available for the Camaro with the 6L80 tranny.
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Old 07-26-2009, 06:42 PM   #3
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I have a 3600 yank... the stock is prob. like 1800
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Old 07-26-2009, 06:50 PM   #4
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Quote:
Originally Posted by Gib View Post
Yank SS3200 is available for the Camaro with the 6L80 tranny.
Thanks!

Quote:
Originally Posted by DanD View Post
I have a 3600 yank... the stock is prob. like 1800
How do you like it? Is it still streetable?
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Old 07-26-2009, 07:41 PM   #5
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i have the yank ss3200, drives way better than the stock converter
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Old 07-27-2009, 01:50 AM   #6
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just yank it lol

the 3200 should still be very streetable, not sure on the 3600 would like to know as well
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Old 07-27-2009, 01:56 AM   #7
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Yank SS 3800 with 3.23s on my old car and it was great.
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Old 07-27-2009, 11:07 AM   #8
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What does the torque converter (stall) actually do for the car? im noob sry
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Old 07-27-2009, 12:04 PM   #9
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Yeah explain this to me also please. If we keep the car want to know what to keep my eye on for the future.
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Old 07-27-2009, 12:11 PM   #10
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Think of a torque converter like an automatic clutch. The stall speed determines when the converter will essentially lock and slip (right term?)

Say in a stock stalled Camaro you hold the brake and hit the gas. The RPMS will go to about 1700ish before it starts to spin the wheels.

In a 3200 stall converter when you hit the brakes and hit the gas the RPMS will go to about 3000 before breaking the wheels loose.

This is pretty much the automatic way to dump a clutch to launch a car. It basically starts your engine out in the powerband instead of having to climb to 2k, 2.5k ect ect. Making your 60' faster thus making your 1/4 faster.

4th gens easily knocked off .5 seconds with a conservative stall.
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Old 07-27-2009, 12:32 PM   #11
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Ok that makes sence. So what would be better to get it to the speed limit faster, gears in the rear end or the torque convertor. I do not speed but do want to beat what ever comes up next to me to the speed limit.
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Old 07-27-2009, 12:42 PM   #12
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Quote:
Originally Posted by Scott@Bjorn3D View Post
Ok that makes sence. So what would be better to get it to the speed limit faster, gears in the rear end or the torque convertor. I do not speed but do want to beat what ever comes up next to me to the speed limit.
Hands down, a higher stall converter is the best mod for getting down the track faster. It puts the engine into its power range much faster. As mentioned, guys can shave .5 second off a 1/4 mile time with a higher stall converter and some sticky tires (no other mods).

But you will need sticky tires. The stock tires will most likey not hold a higher stall converter.

An L99 A6 with a higher stall converter and some sticky tires should be able to run mid 12s in the 1/4 mile under good track condtions.
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Old 07-27-2009, 12:53 PM   #13
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You will notice a huge difference in a stall or gear depending on how high you want to go.

On a personal preferece I would go with a stall first. I dont know how far into your car you plan on modding, but it helps to know what you want end wise first and build your car according to a plan.

If you just looking for a broadstreet bully, I would say a 3000k stall and 3.73 gears.

I dont know why the put a bigger gear in the auto. Maybe to stop it from beating on the m6 cars at the track?
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Old 07-27-2009, 12:57 PM   #14
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Ok, sounds cool. Been talking to the wife more and she is just tired of me being upset about the car and why the sell talk is coming up. So if I do not mention my frustration to her anymore maybe I can work it out to keep the car if GM gets moving on it.
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Old 07-27-2009, 04:17 PM   #15
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Another thing about converters is what's called Shift Extension. What this is, is the difference, in RPM, from the shift point drop from one gear to the next. For example - my 4L60E would shift from about 6200 in first, all the way down to 3800 or-so into second. With the SS3800, the shift extension allowed the RPMs to never drop, during and after shifts, below 5300-5400 RPMs. What that means is I'm right at the heart of my power peak. Your guys 6L80s wouldn't have a drop like that because your gears aren't as spread-out as a 4L60, but that shift extension is keeping the RPMs constantly in the meat of the powerband. You have to tune the converter to know where in your powerband is optimal, but the converter company can help you with that. To give an idea on improvement, my brother was running 13.1s @ 108 with his '02 with a lid, catback, canned tune, and good tires. He would stall to about 1700 on the OEM 'verter and would jump out of the hole with no tirespin and could pull 1.9s. With the only two changes being 3.73s and an SS4000, he was running consistant 12.4s on DRs (okay- three changes). He could pull 1.6s and was around 109-'ish or so through the traps. His shift extension was pretty much like mine.

High stall converters are simply the best mods' for an auto' car, almost before anything else. You spend $800 on a good billet converter with high efficiency and will drop a half-second with good tires - easy. If I were to get another slushbox, it'd be getting a converter before headers, hands-down. Tuning will be a must, but a big stall just feels good
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Old 07-27-2009, 04:41 PM   #16
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I understand how a converter helps at the 1/4 mile track, but how would it affect the upshifts/downshifts on a road course?
Also, how do you know what a new converters shift extension is? Is a lower STR better?
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Old 07-27-2009, 07:26 PM   #17
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At the track a stall will help keep you in the power band more often. Think of it as holding the clutch pedal down until you hit 3000rpm and then engaging it. You motor will rev to desired rpms quicker and wont go to as low of rpms on upshifts.
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