have an 91 4.3 4dr blaze i have great oil pressure but my valves on the left side when sitting in the driver seat i can hear my valves ticking like an stop clock i dont hav any idea about what i should do and all the valve are tighten to correct spec what should i do getting sick of it

 

I also have a '91 4.3 4dr blazer. I have the the ticking problem too. I've only had the truck for six weeks, so it hasn't aggravated me yet. However, I've had one guy tell me he used Lucas oil treatment on his vehicle to solve the problem. I'm gonna try it the next time I get an oil change, but honestly, it sounds too good to be true.

 

You're driving a chevy....valves tick

If it's bad, I'd play around with the oil a little...but every one i've ever ridden in has ticked.

 

Most of the time from my experience valves/lifters will tick once they get older, but that does not mean they are any less efficent or that anything is wrong with them. But it is annoyingso I replacedmy lifterson my talon tsi. On a blazer I have no Idea, probably a little bit of work and I don't know if you can get away with putting them in with a crow bar. Why did they ever put the intake manifold over everything, seams like everything on the spider injector engineis ***-backwards. Now if you had an 88-89 TBI 4.3, mucheasier. Whathappend, arent vehicles supposed to get better with newer models?And why is the oxygen sensor impossible to get at, you have to rip half of the right wheel well off a 93 s10 blazer to get at it.

Are you putting 5w30 in? I don't have a tick but I've only got 150,000 miles.

 

ive tried lucas oil treatment but didnt work going to try 20 50 tomorrow before i drive it if that doesnt work well i guess start driving the 96 impala

 

I'd try thinner oil personally. 5W-30 sounds good. i think 20-50 would be a bit thick but it all depends on what the weather is like where you are.

 

one day its humid the next its cold sometimes its raining and sometimes this happensall it the same day lol but it seem to stop once i put in the 20-50 but for how long