5.7 gas vs 6.5 diesel
Question:
I’ve got a ‘93 3/4 ton Chevy p.u. with 160,000 m. on a 6.5. Have run the boost up a little on this engine and put in a freer flowing exhaust. Uses less than 1/2 quart between changes, but I always change oil at 2000. Had a 1/2 ton ‘85 Chevy pickup with the 6.2 and a Banks turbo with the fuel flow turned up quite a bit. Had 243,000 m. on it when the son I gave it to rolled it and totaled it. I did put a rebuilt injection pump, injectors, timing gears and chain on it about 15,000 before the wreck, but it was still running good before those parts. Wanted my boy to have a good reliable truck, so much for that. They’re just very, good reliable engines, in my opinion. Had a ‘79 GMC 1/2 ton with a gas 350 that I bought new. Engine was shot at 120,000. Garrett Fulton
– Hide quoted text — Show quoted text -> I have a 97 ext cab 4×4 5.7 with 100k on it and i get about 14 in the winter > and 18 to 20 in the summer. I had a coolant leak at 85k (intake gasket) on > not a problem since. The company i work for had 6 chevy trucks with 200k on > the engines and trannys just one engine had to be rebuilt at 190k. Even a > couple of these trucks got 18 to the gallon yet. I hope this helps you > -jeff > what’s the typical lifespan of a 5.7 vs a 6.5? > what sort of mileage can i expect in either? > any reason I should go with one instead of the other? I understand the > recent 5.7’s (since 96) have a problem with leaking coolant. > Nate
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Response:
what kind of maintenance does a diesel incur? it’s a lot more expensive i would assume nate – Hide quoted text — Show quoted text -> Depends on maintenance and use. A diesel engine is designed to be USED and > to work. If gassers were more dependable than diesels, then we would see > them in semis and farm equipment all the time. Those are the ones that are > time tested. > I would not be afraid to expect at least 2x the life from a 6.5 over a 5.7. > I would see no reason, if maintained properly, to be looking at possibly 3x. > I have seen 6.5 TD motors above 400,000 miles on the odometer. > Snowman > what’s the typical lifespan of a 5.7 vs a 6.5? > what sort of mileage can i expect in either? > any reason I should go with one instead of the other? I understand the > recent 5.7’s (since 96) have a problem with leaking coolant. > Nate
– Nathan S. Shirey http://www.soncom.com/sshirey/n Climbing for relaxation Running for the body MTU for the mind With great power God for all of the above comes great responsibility
Response:
my experience with diesels has been good…. keep in mind, no plugs, ignition, etc…. less parts to replace/check… usually a much heavier block and heads, etc. so long life…. most important maintenance (at least on 18 wheelers) is using fuel additive and keeping the fuel filters clean… – Hide quoted text — Show quoted text ->what kind of maintenance does a diesel incur? it’s a lot more expensive i would assume >nate > Depends on maintenance and use. A diesel engine is designed to be USED and > to work. If gassers were more dependable than diesels, then we would see > them in semis and farm equipment all the time. Those are the ones that are > time tested. > I would not be afraid to expect at least 2x the life from a 6.5 over a 5.7. > I would see no reason, if maintained properly, to be looking at possibly 3x. > I have seen 6.5 TD motors above 400,000 miles on the odometer. > Snowman > > what’s the typical lifespan of a 5.7 vs a 6.5? > > what sort of mileage can i expect in either? > > any reason I should go with one instead of the other? I understand the > > recent 5.7’s (since 96) have a problem with leaking coolant. > > Nate
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Response:
what’s the typical lifespan of a 5.7 vs a 6.5? what sort of mileage can i expect in either? any reason I should go with one instead of the other? I understand the recent 5.7’s (since 96) have a problem with leaking coolant. Nate
Response:
I have a 97 ext cab 4×4 5.7 with 100k on it and i get about 14 in the winter and 18 to 20 in the summer. I had a coolant leak at 85k (intake gasket) on not a problem since. The company i work for had 6 chevy trucks with 200k on the engines and trannys just one engine had to be rebuilt at 190k. Even a couple of these trucks got 18 to the gallon yet. I hope this helps you -jeff
– Hide quoted text — Show quoted text -> what’s the typical lifespan of a 5.7 vs a 6.5? > what sort of mileage can i expect in either? > any reason I should go with one instead of the other? I understand the > recent 5.7’s (since 96) have a problem with leaking coolant. > Nate
Response:
Depends on maintenance and use. A diesel engine is designed to be USED and to work. If gassers were more dependable than diesels, then we would see them in semis and farm equipment all the time. Those are the ones that are time tested. I would not be afraid to expect at least 2x the life from a 6.5 over a 5.7. I would see no reason, if maintained properly, to be looking at possibly 3x. I have seen 6.5 TD motors above 400,000 miles on the odometer. Snowman
– Hide quoted text — Show quoted text -> what’s the typical lifespan of a 5.7 vs a 6.5? > what sort of mileage can i expect in either? > any reason I should go with one instead of the other? I understand the > recent 5.7’s (since 96) have a problem with leaking coolant. > Nate
