Hot Metal said 3400/600hp at a guess?, 28" tyre/4.30's= 6663 trap rpm+slip 4.10's = 6353+ 3.73 = 5780+ [email protected] in a 511 may not pull to 7000, my mates [email protected] solid in a 440 with a 5000 stall was done @6800, 4.10's sounds the best gear. Click to expand...