Does the 1.5" tank lift really help?
Anybody had this done? What kind of softail?
How much did it help with the wind coming up from under the tank?
And how much, in real word terms, does it help cool the engine?
And did you like the way your bike looked after you had it done?
Can't make up my mind...
Thanks
i don't have a thermometer on my bike so i dont know whether it helped with temperatures like advertised..
it looked good.. i really did like the look of my fatboy lo with it on.. but in the end i went with the 107" bigbore kit, and i was losing 1/3-1/2 gallon of fuel with just the 1.5" lift, and i wanted that fuel back, so i removed it.
Anybody had this done? What kind of softail?
How much did it help with the wind coming up from under the tank?
And how much, in real word terms, does it help cool the engine?
And did you like the way your bike looked after you had it done?
Can't make up my mind...
Thanks
On my '12 a 1.5" tank lift helped with the buffeting, but a 2" did better. But someone else on my bike, maybe sits different, or wears a different helmet...they may get more or less buffeting.
The only thing that is an absolute- there is far less air coming over the top front of the tank to hit the rider in the chest.
Here is a good thread on the subject-
https://www.hdforums.com/forum/dyna-...lift-this.html
Heat Temps- Everyone rides differently, every engine is set up differently, ambient temps are different. We get reports ranging from "can't tell a difference" to "oil temp gauge is consistently 10-15* lower".
We did extensive testing years ago. We ran the same 25 mile stretch of interstate, at the same throttle, on the same day, with ambient temps the same, and the bikes heat soaked the same. We did this on 3 different Twin Cams (all Stage 1), with and without 2" and 2.5" lifts. (we did not test the 1.5" or 3")
We used an IR gun on the front and rear cylinder, right behind the spark plug. We also used an oil temp dipstick.
There was no discernible difference between the 2" and the 2.5" tank lifts.
With the tank lifts the cylinder head temps ranged from 8* to 23* lower than without the tank lift. The oil temps were 11* to 18* lower than without the tank lift.
Looks are in the eye of the beholder.
Respect to Sgt_Jim, but it is a physical impossibility to lose 1/3-1/2 gallon capacity with a 1.5" tank lift. A 5 gallon tank will lose less than 1/4 gallon capacity with a 2" lift.
It is possible for the low fuel light to come on 1/3-1/2 gallon earlier...but that does not mean that the gas is not in the tank and usable.
Below is a picture of a gas pump where I had just filled up my 6 gallon tank. This tank has a 1.5" tank lift on it. The bike was NOT sputtering, it was still running fine. As you can see I put a bit over 6 gallons in it.

Here's a couple pics of my Heritage with a 2" tank lift.


Here are a bunch more Softails with Tank Lifts.
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It is possible for the low fuel light to come on 1/3-1/2 gallon earlier...but that does not mean that the gas is not in the tank and usable.
Last edited by Sgt_Jim; Nov 25, 2013 at 07:04 AM.










