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General Discussion
12 Valve Cummins Isues
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<blockquote data-quote="xjmarc" data-source="post: 507241" data-attributes="member: 2494"><p>I have a 97 2wd lwb ext. cab Cummins that has decided it doesn't like climbing hills towing. Without the trailer it pulls great, spins the tires etc but no rolling coal because it's basically stock. I've noticed it's been struggling a little lately but today I went to GMP which require crossing a couple of mountains and it wasn't happy. It's an auto so about all I can do is put it in drive instead of overdrive. At the bottom I'm pushing 70 and by the top I'm barely hitting 45mph with the pedal on the floor and temps got pretty hot too. Trans was around 200 and motor 220ish, hard to tell since it's the stock gauge and only has 3 number marks. It has 200k on it but that's barely broken in from all I read. Not sure if it's the tranny or motor but it just seems to fall flat when I hit a hill even small ones. Though about adding an electric pusher fan in front if I can find one thin enough but that only helps with the heat. I figure there are some diesel experts on here so lets here how I need a dirtymax or powerchoke cause Cummins suck and so on. Seriouslly I need so advice on what's killing my power.</p></blockquote><p></p>
[QUOTE="xjmarc, post: 507241, member: 2494"] I have a 97 2wd lwb ext. cab Cummins that has decided it doesn't like climbing hills towing. Without the trailer it pulls great, spins the tires etc but no rolling coal because it's basically stock. I've noticed it's been struggling a little lately but today I went to GMP which require crossing a couple of mountains and it wasn't happy. It's an auto so about all I can do is put it in drive instead of overdrive. At the bottom I'm pushing 70 and by the top I'm barely hitting 45mph with the pedal on the floor and temps got pretty hot too. Trans was around 200 and motor 220ish, hard to tell since it's the stock gauge and only has 3 number marks. It has 200k on it but that's barely broken in from all I read. Not sure if it's the tranny or motor but it just seems to fall flat when I hit a hill even small ones. Though about adding an electric pusher fan in front if I can find one thin enough but that only helps with the heat. I figure there are some diesel experts on here so lets here how I need a dirtymax or powerchoke cause Cummins suck and so on. Seriouslly I need so advice on what's killing my power. [/QUOTE]
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