Originally Posted by gearheadslife
nope,, but most don't keep the q-jet in tune so . the choke washes the walls at start up..
the oil didn't get that much better..
and why efi engines can go 7-10k on oil and carbs go 3-3500..
Newer cars dont need as many oil changes since most are synthetic oil. Now with normal oil they call for 3000 miles just as carb car did.
Running a car pig rich does have some effect on oil but normal tune vs efi not much different. Usally about care and abuse.