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

timing question

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  #1  
Old 08-23-2010, 09:40 AM
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Default timing question

Going to have my timing set up this coming weekend -- the guy that is going to set it up says he likes to set up a stock engine around 15btdc and most people I see on here are going up to around 16 or 16.5, Just wondering what some of you guys who have done this alot think.
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Old 08-23-2010, 02:03 PM
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Default 12 Valve Timing

Yeah I am going with 16 when I do mine. Seems the general average to do. I heard anymore then that they are hard starting in the cold.Just my .02
 
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Old 08-23-2010, 02:29 PM
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15-16 is a good number for no studs or o rings.

As for the cold start, with 22* of timing and no grid heater the truck would start in 19* weather with no problems
 
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Old 08-23-2010, 02:38 PM
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Default Timing

Oh yeah that's It ...I have read so much and only believe half of what I read ...But what half to believe is the question?????? LOL..

Here is a good article on head bolt torquing.Just found it today.
Cummins 12 Valve Head Bolt Tech - Diesel Tech - Diesel Power Magazine
 
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Old 08-24-2010, 09:16 AM
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Thanks for the replies guys --I am hoping to get better mileage (been in the 13 to 14 mpg area) and a little better performance with the timing change --I will let you know how it works out.
 
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Old 08-24-2010, 09:25 PM
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Let us know how it works for you,
I am thinking of doing the same.
I have a 98 12 valve all stock.120k miles
 
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Old 08-25-2010, 09:01 AM
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mine was just set at 18*
 
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Old 08-25-2010, 11:09 AM
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I set mine at 15.5 It seems to be doing fine! Haven had any problems so far!
 
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Old 01-09-2011, 08:06 PM
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Wondering what to set my timing too,after the new gear housing...#$%^% KDP...lucky it went that way...pump is adjusted.. see different screw in rear pump cover...run 3k now with cold air induction and straight pipes 4" turbo to 6" back
 
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