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07-10-2016, 03:00 PM
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#1 |
 
Drives: 2016 2LT RS Join Date: Dec 2015
Location: Dayton, NV
Posts: 62
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Deceleration Tuning
This is a tuner question asked by someone who doesn’t know a lot about tuning and I have never heard of this particular problem being discussed. Veh: ’16 2LT RS, M6. I’m looking for the reason why, while decelerating (or downshifting), I’m not feeling the car slow down in a linier or consistent manner. It changes between decelerating by engine compression and just coasting. Got to have something to do with either emissions or fuel economy. Can a tune cure this frustrating problem? Thanks for any input.
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2016 Camaro 2LT, RS, Hyper Blue, Med Ash Gray, Silver Rally Stripes, Advanti DST Titanum Mirror Wheels, LGX, 6M, IO6, NPP, ZN2
11/30/15--1100 12/10/15--2000 12/16/15--3000 01/06/16--3300 01/07/16--3400 01/25/16--3800 1G1FC1RS8G0142935 01/25/16--4000 01/27/16--4B00 02/06-16--4300 02/22/16--6000 |
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07-11-2016, 05:53 AM
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#2 |
         Drives: 6th gen Join Date: Aug 2013
Location: US
Posts: 3,675
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Just speculating but the afm issues back in '08 were causing ring failure. engine braking stresses the piston rings, so I'm guessing GM isn't making it easy to change that. Just a guess. For stock tunes it is very much a mpg thing too.
On my '14 mustang Gt is coasted a lot. The FRPP trackey added the engine braking. But as of 9 months ago, the LT1 is not easy/impossible?? to engine brake. my LS1 it was pretty easy |
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