Originally Posted by kscoyote
it's an old school trick for an easy 5 hp -before EFI
Each step will knock off 1-2 mpg. What'll kill you is your RPM. If you like screaming at 3000+ rpm, then 4.10s are for you!
i know what a udp is, i think some ppl have dyno'ed it to give 7-8hp/tq. thats pretty nice for about 200$
im not 100% what gears come stock. are the 3.27 then 3.55 then 3.75 then 4.10