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7AT Transmission Odd Rev bouncing

simple solution: do not drive in auto mode. 78k miles on mine and it's never/rarely ever seen A on the dash. the ECU "learns" so if you drive in manual

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Old 09-24-2019, 09:08 AM   #1 (permalink)
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simple solution: do not drive in auto mode.

78k miles on mine and it's never/rarely ever seen A on the dash. the ECU "learns" so if you drive in manual mode the ecu tries to mimic that somewhat in auto and it fails miserably.

mine runs perfectly, changed my fluid at about 45k miles probably will do it again soon, plus my tranny was tuned so that could help.
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Yes, they are Tony approved! Frank, when I get around to it, I may put your pipes into production. We will call them, "The FP" option.
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Old 10-24-2019, 01:12 PM   #2 (permalink)
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Originally Posted by FPenvy View Post
simple solution: do not drive in auto mode.

78k miles on mine and it's never/rarely ever seen A on the dash. the ECU "learns" so if you drive in manual mode the ecu tries to mimic that somewhat in auto and it fails miserably.

mine runs perfectly, changed my fluid at about 45k miles probably will do it again soon, plus my tranny was tuned so that could help.
So I've basically confirmed the persistence of the issue by driving it and doing 1 or 2 hard pulls in manual mode and I have to baby shift it up to 6k into 2nd or 3rd gear, otherwise it behaves as if it's locked me out of the gear and will bounce the rev limiter until I back off. I have scheduled a service with a nearby dealership which the total comes out close to $200 after taxes so that's at least more confident than my first estimate. When I last went to the drag strip some other racers thought it was a possibility that the fluid was low or becoming viscous. I figured either way a service is in order. Still trying to sell **** on the FB marketplace to get enough to service but will update after service and opinions.
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Old 10-24-2019, 01:54 PM   #3 (permalink)
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Originally Posted by nigt4003 View Post
So I've basically confirmed the persistence of the issue by driving it and doing 1 or 2 hard pulls in manual mode and I have to baby shift it up to 6k into 2nd or 3rd gear, otherwise it behaves as if it's locked me out of the gear and will bounce the rev limiter until I back off. I have scheduled a service with a nearby dealership which the total comes out close to $200 after taxes so that's at least more confident than my first estimate. When I last went to the drag strip some other racers thought it was a possibility that the fluid was low or becoming viscous. I figured either way a service is in order. Still trying to sell **** on the FB marketplace to get enough to service but will update after service and opinions.
well if a fluid change doesnt work could be flex plate is cracked/broken.

you wont like the cost of that fix either lol i actually have been tempted to grab one from FI thats 1000hp rated since 80k miles almost of beating on mine i'm just assuming it's cracked somewhere.

think i have a couple hundred drag strips passes on it as well.

i probably will do my tranny fluid again soon too. think i did it at 50k.
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Quote:
Originally Posted by F.I. Inc. View Post
Yes, they are Tony approved! Frank, when I get around to it, I may put your pipes into production. We will call them, "The FP" option.
-Tony
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