Which Fuel Should I Use?

[sam jfm 0]

I have a 1360 engine on webbers with a cam that i bought built and set-up. i dont know what it was set up on, so my question is what fuel should i use? am i going to have any problems with one or the other? or wont it make that much difference with it being on carbs?

 

Cheers sam

[brumster 135 1 Cars]

Are we talking some sort of competition engine?

 

Ultimately it's up to you, it will most likely run on standard octane fuel but be down on power by a wholly-unfeelable amount . If the engine pinks on standard fuel, you have a problem, either get the ignition advance tuned to suit or try the more expensive fuel.