Engine HEAT
#1
Engine HEAT
Talked with the guys from Thunder Max today and wanted the forums opinion, on what they said.
I was getting pretty good MPG when it came stock, made a couple of mods and MAPed to Stage I, and MPG sucks now.
I know that the Stage I made me run richer to keep the heat down, but the guy from T-max said that the Stock A/F ratio was actually bad for the engines. Even stock they ran too lean. I find that hard to believe, but wanted another opinion.
I am looking to get a programmer to get a happy medium between, stock MAP and Stage I MAP to get my mileage back into semi decent MPG.
[sm=deadhorse.gif]
I was getting pretty good MPG when it came stock, made a couple of mods and MAPed to Stage I, and MPG sucks now.
I know that the Stage I made me run richer to keep the heat down, but the guy from T-max said that the Stock A/F ratio was actually bad for the engines. Even stock they ran too lean. I find that hard to believe, but wanted another opinion.
I am looking to get a programmer to get a happy medium between, stock MAP and Stage I MAP to get my mileage back into semi decent MPG.
[sm=deadhorse.gif]
#3
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#6
RE: Engine HEAT
I could not get the techs to admit that they set up the motor a bit rich until my first 1000 mile check up. I have the stage one and the V&H big shot duals on my 08 Ultra I asked them about it but they said nothing about it. The only thing I could say for sure is this I used a 1/4 of a tank less fuel coming home. So there you are.
#7
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#8
RE: Engine HEAT
Yes they are running lean! Many articles have been writtenin American Rider and American Iron magazines. It's the nature of the beast being a air cooled motor trying to meet or stay ahead of the EPA. A oil cooler definitely is a help....most people haven't improved the heat situation using synthetic oils either. Yes, remapping does get rid of some of the heat in the combustion chamber, but mileage suffers. I haveputSE slip-ons on my 07 FLHX and a oil cooler. I do love the mileage though...47-48 mpg's riding adult like using 6th gear @ 2000 rpms and up on highways. Yes riding 55-65 on 2 lanes and 72-75 on 4 lanes. Mieage would be less with remapping as you well know,and would probably be better on the heat situation....There you have it, you decide. Last your mileage shouldn't be that bad with remapping, 6-10 mpg's less?
milo8155
07 FLHX
03 FXST
Colliervile,TN
milo8155
07 FLHX
03 FXST
Colliervile,TN