Leonidas514
Well-Known Member
- Joined
- Feb 25, 2021
- Threads
- 33
- Messages
- 234
- Reaction score
- 95
- Location
- Oviedo, FL
- First Name
- Chad
- Vehicle(s)
- 2015 GT
- Thread starter
- #1
Whats up everyone? First post here, I will try to keep it short. I am having some issues with my car, I just bought it used and trying to work through some issues. The car as stated above has a D1X with a 4 inch pulley, making around 18lbs. I bought it basically for the platform and it is a pretty much a track only car. I have made 3 hits, first pass ever went a 9.79@144 but third gear is acting weird. I had no clue what tune was even in the car so I had Rob @PBD make me one. That did not fix the weird pulse I am getting in third gear. I have been trying to fix this 3rd gear issue for a month now and cannot figure it out. The 1-2 shift is perfect, but once I get around 5500 in 3rd the rpms start jumping around everywhere and the car seems to take forever to build boost and finally shift into 4th. My most recent thought is maybe it is plug blow out, the car runs 18lbs, any thoughts on what gap to run these 6510s at? And does that cause pulsing? I though of belt slip, because the belt on the car was a 660 inch (1 inch longer than required) I replaced it but noticed the bolt on the bottom of the tensioner was stripped and the adjustment bar was bent lol. Currently waiting on the new parts because I know that a bigger belt and or stripped tensioner cold cause boost pulsing. I have also in the meantime ordered a fully built 6r80 thinking it was my 3/4 clutches. This damn things driving me nuts. Thanks in advance for any replies.
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