12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

egts

Old Jul 4, 2014 | 02:03 AM
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i will be towing about 8500 pounds and im worried because i don't have a pryo yet because of funds. i was seeing if somebody had a similar set up.
95 dodge 3500 #0, wastegate set at 35 psi, cold air intake, 4 in exhaust, auto with shift kit fresh rebuild
 
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Old Jul 4, 2014 | 06:34 AM
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8500lbs on the trailer, or including the trailer? Have you moved your AFC housing? How far are you going? Highway? City? Hilly back road? How hot out is it? You should be fine. Shift it manually and keep your foot off the floorboard while accelerating. Keep the OD off until you're doing at least 45. Keep an eye on your engine temp. If it suddenly starts climbing and gets to the top of normal, you've had your foot in it too long. All internal factors being normal, that's a minimum 1200°, which is perfectly safe (higher isn't) but you'll still want to back off a bit because if it's higher you have no way of knowing. If your cooling/lube systems are up to snuff it should cool down pretty quickly with less lead on the pedal.
 

Last edited by JBearSVT; Jul 4, 2014 at 06:38 AM. Reason: clarity
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Old Jul 4, 2014 | 10:47 AM
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Originally Posted by JBearSVT
8500lbs on the trailer, or including the trailer? Have you moved your AFC housing? How far are you going? Highway? City? Hilly back road? How hot out is it? You should be fine. Shift it manually and keep your foot off the floorboard while accelerating. Keep the OD off until you're doing at least 45. Keep an eye on your engine temp. If it suddenly starts climbing and gets to the top of normal, you've had your foot in it too long. All internal factors being normal, that's a minimum 1200°, which is perfectly safe (higher isn't) but you'll still want to back off a bit because if it's higher you have no way of knowing. If your cooling/lube systems are up to snuff it should cool down pretty quickly with less lead on the pedal.
Agree... I have stock plate FF and now that my fuel pressure is good .. 1050* is about all I can muster.. unloaded of corse( foot to floor ) ..

If one keep the ol skinny about half way and takes there time, all should be great .... I personally would avoind the biggest hills if at all possible ... or get as good of a run as you can .... it will help ..
 
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Old Jul 4, 2014 | 11:16 AM
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Oh man, I remember quite well my days of towing with a stock plate FF. We called it "dragonflying", which, extrapolated, very simply means, dragging *** up every hill and flying down the back.
 
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Old Jul 4, 2014 | 12:38 PM
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LOL.. oh yeah..

I pulled it out once for about 3 days .. DAMN ... the 215 with out a plate is an animal.. and the EGT's were freeking retarded... and now a leaking HG cause i flashed the coolant in the head .... OOPS !!!!

someday , i will have it all fixered up !!! , one step @ a time ...
 
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Old Jul 4, 2014 | 07:22 PM
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Originally Posted by JBearSVT
8500lbs on the trailer, or including the trailer? Have you moved your AFC housing? How far are you going? Highway? City? Hilly back road? How hot out is it? You should be fine. Shift it manually and keep your foot off the floorboard while accelerating. Keep the OD off until you're doing at least 45. Keep an eye on your engine temp. If it suddenly starts climbing and gets to the top of normal, you've had your foot in it too long. All internal factors being normal, that's a minimum 1200°, which is perfectly safe (higher isn't) but you'll still want to back off a bit because if it's higher you have no way of knowing. If your cooling/lube systems are up to snuff it should cool down pretty quickly with less lead on the pedal.
the #0 is full forward i will be towing highway for 3hrs maybe some hills ? ill be towing a full size 6.5 turbo diesel 4x4 on a 16 foot tandem
 
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Old Jul 4, 2014 | 07:58 PM
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You'll be ok as long as you dont lug it up the hills. That creates alot of heat in the engine and EGTs will skyrocket. Certainly you will be puking black smoke as well. Downshift and keep the RPMs up above 1900, up hill. That will certainly keep your EGTs in check. Down hill is a no-brainer.
 
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Old Jul 4, 2014 | 08:07 PM
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Originally Posted by boss4457
the #0 is full forward
No, I wasn't talking about the plate- the AFC housing. If the housing itself isn't slid forward there's still a ton of power (read: heat) left on the table.
 
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Old Jul 4, 2014 | 11:32 PM
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Originally Posted by JBearSVT
No, I wasn't talking about the plate- the AFC housing. If the housing itself isn't slid forward there's still a ton of power (read: heat) left on the table.
no its not
 
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Old Jul 5, 2014 | 01:12 AM
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I would just be careful and tow using momentum to keep it rollin on the hills that you do have, other wise stay out of the last half of the throttle all together..
 
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