race gas compression??

[icelander]

how much compression is in these race sleds that usen 114 oct or 118oct??

 

[800]

at least 15:1 full stroke comp ratio, 175lbs.

 

[SpartaSXr]

wow 175 lbs!? never knew it was so high. what about regular and premium pump gas? Good post

 

[icelander]

ok that is a lot.thanks for this info i think my sled is about 170.i have a problem with detonation,two broken pistons and one melted.(to low octane).