My 85 has no CAT.
What I have noticed is that it runs rougher when I accelerate at cruise speed and when I climb hills.
It accelerates just fine from stop signs and fuel economy hasn't changed at all.
Don't know if an inop A.I.R would effect acceleration at cruise speed--not much info about...
My 85 GMC 5.7 engine's upper A.I.R compressor froze up a while back. There are no longer emissions tests in my state so I just removed the compressor belts and have kept driving as is.
Can any harm result from this?
Harbor Freight
They sell a product called Evapo-Rust that is excellent for stripping rust from parts. My only beef about HF tools is they always seem to have a weak link that eventually gives out and makes them junk. But for the price they can do great things while they last, and that might be...
The light bulbs behind the gauge cluster of my 85 GMC 2500 will go out individually,and then light back up when I wiggle them in their sockets. A while later they will go out again until I give them another wiggle. Anyone else having this issue? Is there a good way to get these bulbs to stay...