14.45 with 12 sec combo... HELP

i have 26x10 slicks tires
dana 44 with 391 gears, spool
im in in mexico... is hatd to find a dyno... no dyno in my state

You can't hook that combo on 26x10's and a tight convertor? Something else is wrong here chassis wise. Get it to hook and then play with convertor and engine power. I don't know how bad it was spinning but you may be happy once it hooks up.