So….more header talk….this had me scratching my head

justinp61 said
The 134.8 was with the 4.30's? What mph has it ran with the 4.86's and new headers?

Yes, 134.8 mph was with the 4.30 gears. I just put the 4.86 gears in last week and haven’t made it out yet. August 6 in the next race day.