CVO Technical > Intake/Exhaust/ECM
PIPES AND NO TUNER
RKUC:
Hey ya'll
I recently purchased a FXSTSSE2. Everything appears to be stock except seat, grips, (cruise control?) and pipes.. V&H Big Radius 2-into-2. I can't find a tuner, assuming the previous owner just installed the pipes (no tuner). Is this going to cause my engine to run lean/hot? Not a good idea here in San Antonio. The professional wrenchers/shops around here are mostly hustlers and scam artists, usually a bad experience. What do you recommend? Should I just get a tuner and play it safe, and if so, which one? I have enough power (for now), my goal is for my engine to run cool (as can be with a 110) and efficiently.
2008 CVO Springer Softail
HD Street Performance:
Take a plug read and compression test while you are there.
pauly_2:
Hi,
It may have a TTS tune, where a new map is written to the oem ecu. I’m not sure how you find out though.
Thanks
Pauly
--- Quote from: RKUC on November 17, 2024, 04:39:26 PM ---Hey ya'll
I recently purchased a FXSTSSE2. Everything appears to be stock except seat, grips, (cruise control?) and pipes.. V&H Big Radius 2-into-2. I can't find a tuner, assuming the previous owner just installed the pipes (no tuner). Is this going to cause my engine to run lean/hot? Not a good idea here in San Antonio. The professional wrenchers/shops around here are mostly hustlers and scam artists, usually a bad experience. What do you recommend? Should I just get a tuner and play it safe, and if so, which one? I have enough power (for now), my goal is for my engine to run cool (as can be with a 110) and efficiently.
2008 CVO Springer Softail
--- End quote ---
bad00serg:
I would ensure it has a tune to match the pipes before riding it much, as you suggested. Too bad you didn't get those stock parts, they are obsolete and very hard to come by now!
gmeikle:
I am chiming in on another of your threads Sir.
"Back then" in 2007 there were 2 options for flashing the bike for a pipe upgrade (or pipes and aircleaner on non CVO bikes)
You could but an original SERT race tuner dongle , that came with a CD of flash tunes, and sometimes the connecting cables for a laptop also.
OR you could in the US pay the dealer for a one off download for "stage 1". Same tune as in the SERT package. That MAY have been done to your bike.
Trouble is you cannot tell by "looking" at the bike as nothing physical is left on there. You can see the calibration currently in the ECM but of course you need the HD dealer digitech OR an original SERT to do so.
To complicate matters further , you could also use a Supertuner Pro dongle and Software to tune the bike , this replaced the original SERT from 2008
3rd possibility is a TTS tuner has been used on the bike, made by the company that made the "original SERT" for Harley 2001 to 2008.
Dongles can be black for early versions and lurid orange for later. They are supposed to stay "with" the bike , not "on" it, but they often go missing in the transfer of ownership journey.
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