L67 running midgrade
because of recent gas prices I was wondering what types of mods you would need to 'safely' run midgrade gas. I know that with other supporting mods you can run a smaller pulley because you're less likely to get KR, so, wouldn't that mean if you do mods just to reduce KR then you could run lower octane gas? 93 octane here is around $2.09 a gallon, midgrade is around $1.90. In the long run that difference would add up to quite a nice chunk of change. I'm tempted just to try it, I don't run the car hard enough to ever really use the supercharger anyway. I should get a boost gauge to make sure. Has anyone ran their car on an autotap to see if they get a lot of KR with midgrade and light mods?