Injected alcohol comp ratio

Tom Goldman · 01-04-2012, 02:13 PM

Bill ,that why I'm asking.
I want to believe tha the motor wants the higher c/r , for the same reasons you pointed out.
I began questioning the higher c/r after talking with some sprint car guys I know who told me they tried higher c/r's than 15 to 1 and saw no more power.
I realise there is still a benefit to the 17 to 1 ratio when dealing with poor atmospheric conditions and higher altitudes, but since the engine needs pistons anyway ,I thought it would be worth questioning.

01-04-2012, 02:13 PM	#3
Tom Goldman VIP Member Join Date: Jan 2003 Location: Allentown,PA Posts: 2,477 Likes: 892 Liked 883 Times in 237 Posts	Re: Injected alcohol comp ratio Bill ,that why I'm asking. I want to believe tha the motor wants the higher c/r , for the same reasons you pointed out. I began questioning the higher c/r after talking with some sprint car guys I know who told me they tried higher c/r's than 15 to 1 and saw no more power. I realise there is still a benefit to the 17 to 1 ratio when dealing with poor atmospheric conditions and higher altitudes, but since the engine needs pistons anyway ,I thought it would be worth questioning. __________________ Tom Goldman 1500 SG , 1506 STK