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Sled Pulling From Street to Pro-Mod, get your Sled Pulling fix here!

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Old 04-29-2016, 08:01 PM   #1
Ford15
 
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13mm p pump timing

How much timing should be ran for a 13mm p pump full time puller? 36 degrees is where I'm at with my 12 mm pump should that change with a 13mm?
 
Old 04-29-2016, 08:49 PM   #2
jasonc

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Quicker injection rate with the same fuel amount should be less. On mine that's a drag truck runs best at 31, if that helps any.
 
Old 04-29-2016, 09:16 PM   #3
JL Builders
 
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Rpm range, injector, piston design all play a roll.
__________________
6.7 sled puller, cracked motor in half.... Nothing to show for it. But ready to try again.
 
Old 04-29-2016, 11:24 PM   #4
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Quote:
Originally Posted by JL Builders View Post
Rpm range, injector, piston design all play a roll.
Also the amount of boost pressure plays a big role.


Here's a good read for newbies.

http://www.competitiondiesel.com/for...d.php?t=136888
 
Old 04-30-2016, 05:05 PM   #5
Teamfreeman04
 
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34-40 seems to be the range but like all has said depends on a lot of stuff done to the motor and if the pump has any work done to it like quick rate cam and what it is flowing at.
 
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