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Building revs/boost while stopped????

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Old Feb 2, 2006 | 06:56 PM
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JOHN1L40's Avatar
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Default Building revs/boost while stopped????

I have read threads about foot braking to build boost and launching. My problem is it seems to have NO power when my foot is on the brake. I cannot build any boost and It will not even build RPMs. As soon as I let off the gas and roll a few feet the power comes on. Is there something in the PCM that is pulling timing or something to limit power until Im moving?

I would like to go to a bigger stall but I tow heavy a lot. Doeas anyone know of a good happy medium between towing and stall? I have a 4L80E with a deep pan and a larger cooler so I think I can keep my temps in check.
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Old Feb 2, 2006 | 08:38 PM
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You hit it right on, the TC is your limitation.
You should look into the dual/triple lockup designs, they would be a good compromise for your application. Downside is the cost, probably 2 times that of a "normal" TC.
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Old Feb 2, 2006 | 09:33 PM
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You only need the 3 or 5 clutch torque converters if you actually lock the TCC at WOT, other wise its a waste of money. If you dont lock at WOT, a single clutch performaqnce TC will be just fine.

peace
Hog
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Old Feb 2, 2006 | 09:49 PM
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Look into a turbo stator (in the TC) for max spoolage on the line.

Sounds weird that you can't rev with your foot on the brakes. Ask Allen to look at "abuse mode" in your tune or disable all your TM.
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Old Feb 3, 2006 | 01:51 PM
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Thanks!! Ill e-mail allen and see what he says. I also asked for a recommendation from Fuddle Racing Coverters. I have heard they put out a good product.
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Old Feb 3, 2006 | 03:06 PM
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I'd also give Chuck Johnson at FLT a call -- he set up my PI and I love it.
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