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Car Forum / Chevrolet / Chevrolet Trucks / July 20064.3 Life ?
If a 4.3 is maintained properly and has the oil changed on a regular basis what would be a good estimate on life span in miles? I have read the opinions on various sites and have seen some report up to 250 K with no issues. Any real world replies with your mileage would be appreciated. TIA GM 1@ 135K 1@ 91K 1@ 245K Still running strong but the chassis is JUNK. I know of one my one uncle has that is at 300K and still running fine. It did need an intake gasket set and a set of exhaust manifolds.  SignatureSteve W. Life is not like a box of chocolates it's more like a jar of jalapenos- what you do today could burn your a.s tomorrow! > If a 4.3 is maintained properly and has the oil changed on a regular basis > what would be a good estimate on life span in miles? I have read the > opinions on various sites and have seen some report up to 250 K with no > issues. Any real world replies with your mileage would be appreciated. > TIA > GM 91 S-10 Blazer with 270K miles and still running strong. Timing chain and gears done at 170K as maintenance. Distrib replaced at 135K. Kendall GT-1 20-50 dino not syn, and AC Delco Filters since new. Idles 35 psi hot. Now if the paint on the beast was only as good, alas, better flaking paint then knocking engine I guess. Whitelightnuing > 91 S-10 Blazer with 270K miles and still running strong. Timing chain and > gears done at 170K as maintenance. Distrib replaced at 135K. Kendall GT-1 > 20-50 dino not syn, and AC Delco Filters since new. Idles 35 psi hot. Now > if the paint on the beast was only as good, alas, better flaking paint then > knocking engine I guess. 110k on 99 Blazer. Had the obligatory intake leak at ~70k. Otherwise it is the family workhorse. 5-30W (Castrol) just like the factory recommends every 3k. The plastic radiators suck though. Had '95 S 10 2WD pick-up with 175k and did nothing to it and it was going strong. Used Ams/oil from day one. Last winter hit some black ice and went into the ditch and hit some trees. It had $3000 worth of damage so I got rid of it. It had 40 psi of oil pressure and just ran like a top. Whitelightning wrote: > 91 S-10 Blazer with 270K miles and still running strong. Timing chain and > gears done at 170K as maintenance. Distrib replaced at 135K. Kendall GT-1 > 20-50 dino not syn, and AC Delco Filters since new. Idles 35 psi hot. Now > if the paint on the beast was only as good, alas, better flaking paint then > knocking engine I guess. 110k on 99 Blazer. Had the obligatory intake leak at ~70k. Otherwise it is the family workhorse. 5-30W (Castrol) just like the factory recommends every 3k. The plastic radiators suck though. My Dad sold his 1990 S10 w/ 275k on the clock. Still running last I heard and had turned over 300k(!) Of course, he bought another one. =-) Oil change every 3-4k miles. Great engine. > Had '95 S 10 2WD pick-up with 175k and did nothing to it and > it was going strong. Used Ams/oil from day one. Last winter [quoted text clipped - 21 lines] > http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups > ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
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