Re: Regular Gas in a TC96?nobody #1 wrote:
>> Carl wrote:
>>
>>> another nogn wrote:
>>>> "EZ" <EZ.Rider@NOSPAM.sbcglobal,net > wrote in message
>>>> news:vkke14dh1lhfbbptr7lcb5f1savb0422ja@4ax,com ...
>>>>> Have a round of your choice on me. I'd like to know if there are
>>>>> any folks running regular (i.e., 87 octane) gasoline in their TC96
>>>>> engine, and if it is causing any problems? I ran regular unleaded
>>>>> in my '05 TC88 Low Rider with no problems at all.
>>>>>
>>>>> 91/93 octane gas in St. Louis is 25 cents more per gallon than
>>>>> regular.
>>>>>
>>>>> --
>>>>> _____ _____
>>>>>> ____| |__ / Larry from St. Louis, MO
>>>>>> _| / / SENS, MAMBM, MISFIT, TOMKAT
>>>>>>> ___ / /_ BS #269 DOF #(I forget)
>>>>>> _____| /____| 105th Anniversary Edition Ultra
>>>>
>>>> I ran lower octane for a few miles with my 04 TC88 last year.
>>>>
>>>> - cruised about 450 highway miles on a Saturday over a 6 hour
>>>> period
>>>> - temp at start (9:00am) was about 70F and at the end was about 85F
>>>> - kept a nearly constant highway speed of about 70mph
>>>> - started with 91 octane
>>>> - second tank was a mix of 91 and 87
>>>> - third tank was 87
>>>> The mileage decreased (about 5%) as the octane level went down -
>>>> enough so that the higher mileage nearly paid for the slightly
>>>> higher price of the 91 octane - last year. This year may be bit
>>>> different.
>>>>
>>>> Thanks for the java!
>>>
>>> I run 89 octane in mine and that is all I run. I've checked my gas
>>> mileage on the same highway several times. From my house to Des
>>> Moines kum & Go and I've got any where from 52 down to 48, its
>>> always different. Wind has a lot to play in it so I just can't see
>>> the sense in comparing octane, when it has nothing to do with
>>> mileage in the first place.
>>>
>>> Unless your computer can sense ping and it retards the timing to
>>> keep it from pinging then octane plays a factor. That is why if a
>>> car manufacture says to run 91 they mean it. If you run 87 the
>>> computer will know its pinging, retard the timing and the mileage
>>> can suffer for it. The last I knew Harley didn't make such a
>>> computer so from my end of it I can't see comparing octane for
>>> mileage when I've ridden the same highway several times and always
>>> see a difference in mileage with the same octane. And, I check my
>>> mileage all the time, not kidding I check it at every stop at all
>>> the long rides. Not that Des Moines is that far from me but I still
>>> check it.
>>>
>>
>> Harley uses ion sensing knock detection like most of the car
>> manufacturers do.
>>
>>
>>
>> nobody #1
>> or at least they did
>
When did they start using it. Sense I'm not EFI its not something I would
have taken knowledge of.
--
Carl
99 FLSTF
I started out with nothing and
I just about have that paid for
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