Limped built trans, lost reverse?

Dustin Ellis

New member
Sep 27, 2020
16
0
1
Corpus Christi, Texas
2004.5 lly Suncoast stage 4 kit in the trans and a precision 2400 stall converter . Trans build was over 10yrs ago. Ran the truck at the track, went 12.3 on tune 3, turned it up to tune 4 and limped it on 4-5 upshift I believe, cleared a P0700 code, backed up in the pits went back to make another pass and while lining up I realized reverse was gone and it actually moves forward in neutral. Went to leave the track and it limped again right outside the gates driving very easy. Code P0777 this time. Cleared code again and still no reverse and it moves forward in neutral. Any advice? Or troubleshooting i can do to figure out what’s broken? Thanks.
 

coker6365

Coker6303's ***** Daddy
Dec 4, 2011
485
16
18
Sounds like the C3 may have finally had enough. Drop the pan and see how much material is there.

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