Stall speed for street
Thread Starter
Joined: Nov 2009
Posts: 1,621
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From: THORNTON, PA (NEAR PHILLY)
Stall speed for street For the car in my sig which will be mostly a street car, what is the typical stall speed range that will make for a nice driver yet still allow the turbo to do its thing?
I just hope to avoid that loose mushy feel at part throttle that I've felt with other converters in n/a applications.
I just hope to avoid that loose mushy feel at part throttle that I've felt with other converters in n/a applications.
With that turbo and cam I would stay around 3000-3200. We ran a very similar combo and could make 10psi on the foot brake and it was nice for daily driving. The PI converters seem to drive the best as they feel pretty tight at part throttle.
Thread Starter
Joined: Nov 2009
Posts: 1,621
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From: THORNTON, PA (NEAR PHILLY)
I have Transmission Specialties local to me. I called them and they suggested a 10" converter for $435, and for another $100.00 they would install a billet cover. They are recommending ~3600 stall, which I'm afraid would be a little loose. After that they recommend a ~$950 9" converter. I like what I'm reading about Yank and PTC, but I also havent found a bad thing about Trans Specialites either.
ive had a 3400-3600 recommended for my setup from PTC. not to hi-jack, but no need to make the same thread.. What about this setup?
AES390, Twin Turbonetics TC66's, 229/235 .610/.627 114+6 cam, 3.90 gear, 4L80e.
95% street car.
AES390, Twin Turbonetics TC66's, 229/235 .610/.627 114+6 cam, 3.90 gear, 4L80e.
95% street car.
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TECH Enthusiast
Joined: Mar 2012
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As long as you retain lockup, don't worry too much about the stall for a street car. Most people have great luck with stalls up to 3800 on street cars as long as they retain the lockup in the 4L80e.
I've used 2800 before and honestly thought it was holding me back a little. Still perfectly driveable. 3200-3400 seems to be the sweet spot for most street apps since a large portion of the setups on here focus around a ~76mm turbo or either twins or 88mm for the larger displacment motors.
As long as the stall doesn't seem obviously wrong, like a 2600 or a 4600, then what is being spec'd to you is most likely well within the ballpark of what you need.
I've used 2800 before and honestly thought it was holding me back a little. Still perfectly driveable. 3200-3400 seems to be the sweet spot for most street apps since a large portion of the setups on here focus around a ~76mm turbo or either twins or 88mm for the larger displacment motors.
As long as the stall doesn't seem obviously wrong, like a 2600 or a 4600, then what is being spec'd to you is most likely well within the ballpark of what you need.
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TECH Enthusiast
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Depends. Single disk converters are going to be cheaper than multi-disk. Billet converters are going to be more expensive than non-billet. You need to figure out what is in the converter, not just which stall it is.
Thread Starter
Joined: Nov 2009
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From: THORNTON, PA (NEAR PHILLY)
Assume the "disks" are referring to a OD converter? I'm a Th400 guy.
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It was a general statement. I was just saying you can't base price on stall alone. You need to find out what is in the converter, and how much power it is rated for.
Is $550 enough for a good converter? Sure. But just because its $550 and the stall you need doesn't make it a good converter..
Is $550 enough for a good converter? Sure. But just because its $550 and the stall you need doesn't make it a good converter..
