Racing Beat PCM Flash: Would engine knock if using 87 octane?
#26
Originally Posted by TeamRX8
if your motor likes 87 octane better it probably lost some compression ....
My 8 loves 87 @15,000 miles I dont think I lost any compression. Unless my engines not broken in?
#28
Originally Posted by turbine
(...snip...) The RX8 is certified to run on E85. (...snip...).
"Your vehicle can only use oxygenated fuels containing no more than 10% ethanol by volumne. Damage to your fehicle may occur whn ethanol exceeds this reccomendation, or tif hte gasoline contains any methanol."
and
"Vehicle damage and drivability problems resulting from the use of the following may not be covered by the Mazda warranty.
- Gasahol containing mroe than 10% ehtanol.
- Gasoline or gasohol containing methanol.
- Leaded fuel or leaded gasohol."
What's more, running on E85 isn't an indication of compatability with low octane as ethanol has a higher octane rating than gasoline.
--R.
#30
A higher mileage Renesis could probably benefit from higher octane especially if it's been driven by your average Joe (Or Joanne for that matter) since they develop a fair amount of carbon buildup in typical granny driving style that some can't always avoid. Unfortunately, if you have majority short commutes in mostly traffic this may be the wrong car for you. You will potentially see reduced engine life and find abnormalities along the way.
Whatever octane works for you, within the guidelines, drive the snot out of it!
Paul.
Whatever octane works for you, within the guidelines, drive the snot out of it!
Paul.
#36
Registered
iTrader: (4)
Originally Posted by LiL BenNy
noob questions... whats engine knock and ping?
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