Poahl: What grade gasoline do you buy?

[trmiv]

Originally posted by: Pacfanweb

Originally posted by: trmiv
I have a 2002 Maxima. My manual recommends 89 ( I think, could be 91), but I use 91, because it still pings with most 89 I put in it. The knock sensor should compensate by adjusting timing when lower octane gas, but apparently it isn't working very well.

Originally posted by: Pacfanweb

My race truck, 640hp...116 octane racing gas. 14-1 compression, gotta have it.

What kind of race truck? I drive race cars too. NASCAR modified with a 650hp SBC running on Methanol.

It's a drag race, 1/2 ton Chevy truck.

Ahh, cool.