cylinder

Hey folks, I have a '94 Mazda B4000. 230k miles. Here's what's happening. I think 2 or 3 cylinders aren't firing at times. Started yesterday. I drove it out the driveway, then it kept stalling, wouldn't start unless I gave it gas. When it did start, it would be smooth for maybe 10 seconds...

I swapped a 4.0 from a 92 explorer into my 90 bronco 2. when i started it for the first time it was extreemly hard to start and smoked ALOT of white. i decided to take the heads off and see whats going on, i found a burnt exhausr valve in one cylider and tan colored cylinder walls in another...

ok well i just bought an 86 ranger for $550.00. it runs but not very well. I did a compression check (engine wasnt warmed up) #1 150 psi #2 0 psi #3 130 psi #4 130 psi #5 130 psi #6 125 psi i added some oil to number 2 and retested multiple times. no change. also my battery was starting to...

first question is i have a 99 ranger 2wd 4cyl. i'm going to gues it has the ford 7.5inch rearend i just want to make sure though. second question what is the stock gear ration? thanks for the answers