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-   -   how good is a 6.5 chevy (https://www.dieselbombers.com/potential-diesel-owners-forum/57160-how-good-6-5-chevy.html)

Woody35 08-24-2010 12:27 PM


Originally Posted by Horns (Post 609385)
Not very good at all. It was an engine made by Detroit Diesel when it was still owned by GM. Back then GM's focus for the diesel engine wasn't like it is nowadays. The 6.2 and 6.5 weren't ment to be powerhouse engines, they were made as fuel efficient alternatives to the gas engines. They were both poorly engineered IDI engines. A small block 350 would outdo them any day.

keep on talking the cheaper my parts get

TruePerformanceDiesel 08-25-2010 08:18 PM

Defiantly keep the Cummins. But as far as 6.5's reliability I worked at Caltrans (State Road maintenance) They had six 6.5s most of them had over 300k on them and they still had lots get up and go left. Thats good considering everyone there drove all on the equipment like they stole it.:c:

rebelboy08 08-27-2010 12:18 PM

i think im gonna stick with the cummins as much as i want a 4x4 idk if i want to go back to a half ton wich is what i had found.

wes-cummins 08-27-2010 11:54 PM


Originally Posted by Horns (Post 610418)
Or you could buy the 6.5 4x4 and throw the 12v in it! :rocking:

thats a great idea, chevy builds a better truck!:jump:

6.5 are not bad at all but a cummins is a better engine

Mike H 08-27-2010 11:56 PM

my opinion as someone whos father has had every diesel chevy there is and current 95 dodge owner , is that the cummins may be a better motor but chevy is a better overall package.this probly does not help but both trucks have their advantages.:tu:

rebelboy08 09-08-2010 03:55 PM

the chevy has ifs not a straight axle right?

ironhead79 09-09-2010 02:05 PM


Originally Posted by 12valve801 (Post 609502)
keep the cummins for sure... gm didnt get it right untill 2000

You mean GM got it right, thats funny! lol

2MuchJunk 09-09-2010 06:28 PM


Originally Posted by rebelboy08 (Post 617818)
the chevy has ifs not a straight axle right?

Yes the Chevy has ifs.

rebelboy08 09-09-2010 10:35 PM

thats what i thought

gunman41mag 09-11-2010 01:33 PM


Originally Posted by 12valve801 (Post 609502)
keep the cummins for sure... gm didnt get it right untill 2000

You mean the DURAMAX:humm: The injectors were known to fail & blow your engine:td::ouch: The 6.5 was only ment to give you better MPG:humm:


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