Hi all,
Have a question about gasoline. 1976 250 chev motor in boat. when burning unleaded gas is it ok to use 87 octane with 10 % ethenol, or should I use high test. Will there be a performace difference, or will the etenol burn out the valve seats and guides. Any help would be great.
Have a question about gasoline. 1976 250 chev motor in boat. when burning unleaded gas is it ok to use 87 octane with 10 % ethenol, or should I use high test. Will there be a performace difference, or will the etenol burn out the valve seats and guides. Any help would be great.