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Old 02-18-2012, 09:35 PM
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Faster Shifting Tranny

I drove my brothers duramax the other day and it has a edge and it seems to shift really quick and smooth but it still has a firmer shift. Didnt know if it was possible to get my 7.3L transmission to shift a little quicker. In my "HOT" tune when i put it to the floor it shifts at about 3000rpm and i didnt know if it was possible to make it shift at 2300-2600rpm. I have a SunCoast tranny and i was wondering if i could make it shift faster and earlier but still have a firmer shift. Thanks any imput would be GREAT!!
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Old 02-18-2012, 10:09 PM
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If your flooring it, why would you want it to shift at 2300RPM?
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Old 02-19-2012, 05:05 AM
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I said 2300-2600, I just think if it shifted like my brothers dmax that it would be a faster truck. Also when im at WOT, and before shifting into 3rd and 4th it likes to hesistate at 3000. I would like to get rid of the hesitation in shifting and get a little quicker of a shift
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Old 02-19-2012, 05:17 AM
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Quote:
Originally Posted by 2003powerstroke1 View Post
I said 2300-2600, I just think if it shifted like my brothers dmax that it would be a faster truck. Also when im at WOT, and before shifting into 3rd and 4th it likes to hesistate at 3000. I would like to get rid of the hesitation in shifting and get a little quicker of a shift
well theres your problem right there, your wanting a 7.3 to be fast
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Old 02-19-2012, 05:22 AM
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Originally Posted by campbellflage View Post
well theres your problem right there, your wanting a 7.3 to be fast
LMAO that was hilarious
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Old 02-19-2012, 05:39 AM
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Call your chip maker and have them change your shift points.. And get a modded trans valve body.. It will firm up your shifts also get a better torque converter so it will hold better.. i can chirp my tires going into 2nd if i get on it hard. I only have a dp with 80hp tune and a john woods torque converter with his modded valve body.. Jody at dp worKed my shift points and my truck isnt fast nor do i drive it fast.. It just shifts quick and tight for towing.. again its a 7.3, not a duramax.. 2 differnt trucks..
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Old 02-19-2012, 05:47 AM
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Originally Posted by zooterboy View Post
Call your chip maker and have them change your shift points.. And get a modded trans valve body.. It will firm up your shifts also get a better torque converter so it will hold better.. i can chirp my tires going into 2nd if i get on it hard. I only have a dp with 80hp tune and a john woods torque converter with his modded valve body.. Jody at dp worKed my shift points and my truck isnt fast nor do i drive it fast.. It just shifts quick and tight for towing.. again its a 7.3, not a duramax.. 2 differnt trucks..
Pretty sure he said he had a suncoast trans, he should be good with the valve body and converter, but your right the tunes probably could be tweeked.
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Old 02-19-2012, 06:03 AM
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sorry missed that.. then yes his tuner would have to be tweaked..
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