100 octane make a difference?
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From: Orlando, Florida
100 octane make a difference?
just a quick question, and i did search it briefly. . .but would 100octane in the cls55 make any difference, or is it pretty much tuned from the factory for 91-93?
thanks in advance!
thanks in advance!
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2006 CLS55-030, 2002 BMW 540 Wagon, 1995 VW Jetta GLX
It Could Help
frankieb96 - Pretty much as you mentioned, however if the gas you have been using is of poor quality then yes you will feel a slight difference. Also, if the weather is cold, higher octane will help a little to take advantage of the denser air, given the ECU has any timing left in it's operating parameters to throw at the situation.
Now, if you have a pulley and some ECU tuning, then yes for sure, if the ECU tuning was set up to take advantage of the higher octane! It's all about moving Peek Cylinder Pressure closer to Top Dead Center to take mechanical advantage, as much as possible, of this Peak Cylinder Pressure event. -
- Bob
Now, if you have a pulley and some ECU tuning, then yes for sure, if the ECU tuning was set up to take advantage of the higher octane! It's all about moving Peek Cylinder Pressure closer to Top Dead Center to take mechanical advantage, as much as possible, of this Peak Cylinder Pressure event. -
- Bob
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From: Orlando, Florida
Originally Posted by Evolution Marine
frankieb96 - Pretty much as you mentioned, however if the gas you have been using is of poor quality then yes you will feel a slight difference. Also, if the weather is cold, higher octane will help a little to take advantage of the denser air, given the ECU has any timing left in it's operating parameters to throw at the situation.
Now, if you have a pulley and some ECU tuning, then yes for sure, if the ECU tuning was set up to take advantage of the higher octane! It's all about moving Peek Cylinder Pressure closer to Top Dead Center to take mechanical advantage, as much as possible, of this Peak Cylinder Pressure event. - - Bob
Now, if you have a pulley and some ECU tuning, then yes for sure, if the ECU tuning was set up to take advantage of the higher octane! It's all about moving Peek Cylinder Pressure closer to Top Dead Center to take mechanical advantage, as much as possible, of this Peak Cylinder Pressure event. -
- Bobim fortunate to have pretty good quality stuff here in orlando, and i can drive 5 min from my house and get 100oct right off the pump at Sunoco, i was just pondering it. . .
EDIT: forgot i had a camera phone pic. . .was just messing around cuz my friend put a half tank in his car(E39 M5)
Last edited by frankieb96; Mar 30, 2006 at 10:18 PM.
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Originally Posted by adx
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Originally Posted by frankieb96
just a quick question, and i did search it briefly. . .but would 100octane in the cls55 make any difference, or is it pretty much tuned from the factory for 91-93?
thanks in advance!
thanks in advance!
M
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