no more then 1800 rpms while driveing on 1990 Ford F-250

while driving will not exceedd 1800 rpms timing o k carb adusted correctly has fuel reg. set @ 3. 5 #

by in Bargersville, IN on March 22, 2011
1 answer 1 comment
ANSWER by , March 22, 2011
Have you checked for possible exhaust back pressure probs or trans probs?
COMMENT by , March 23, 2011
exhaust good 4spd trans sitting in nuetral only go 1500 to 1800 Rome only Does have a fuel reg. Based on Weber carbs suggestion only