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Old 01-11-2013, 08:57 AM   #1 (permalink)
sctrailrider
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Optimum timing setting with a DB2 pump

What would you think the optimum timing is for a manual truck using a DB2 pump. Using a MT1480 with the lumy probe in the glow hole ??

Max power - ?

Factory timing - ?

Max torx - ?

Thoughts....
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Old 01-11-2013, 10:20 AM   #2 (permalink)
dixiepc
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Max mpg - ?
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37 x 12.50R16.5LT HUMMV tires (rolls out at 35")
2.5" true duals with Flowmaster SUV 50's with a 2.5" H-pipe just in front of the mufflers bent over the driveshaft

1984 K10 Getting ready for a nice newly refreshed 1982 (changed to a 1989) 6.2 to replace the 350 gasser

Last edited by dixiepc; 01-11-2013 at 10:20 AM.
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Old 01-11-2013, 10:31 AM   #3 (permalink)
sctrailrider
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Quote:
Originally Posted by dixiepc View Post
Max mpg - ?
I bet ya won't hear many folks say this, but I don't care about mileage, this is my tow rig, ( 19,000-20,000lbs) looking for the most and best setting for torx & power under 2500rpm's......
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Old 01-14-2013, 09:42 PM   #4 (permalink)
acesneights1
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I'll see if I can find out. I got the book somewhere.
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Old 01-14-2013, 09:48 PM   #5 (permalink)
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20k pounds? That including the weight of the truck? Are you referring to the truck in your sig with 373 gears?
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Old 01-15-2013, 07:48 PM   #6 (permalink)
acesneights1
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I could not find any numbers in the book. It only talks about static timing and i have never done it that way. I don;t have the book for my MT480. Been trying to hunt one down.
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1886 M1008 CUCV 6.2 J code
GM4 Turbo,DB24911 turned up.
Raptor 100 lp.
NV4500(the way they should have come)
5 inch Redneckmaster Ex
Autometer Fullsweeps
Serp Belt conversion. HO WP. Dmax Fan
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Old 01-15-2013, 07:55 PM   #7 (permalink)
dixiepc
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Aces,

I have an MT480 manual downloaded on my computer at home. I'll send it to you when I get there.
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1992 Suburban, J-code 6.2L from a 1986 CUCV, 700R4, NP241
9" lift with straight axle conversion, HP Dana 44 with Loc-Right in front, Dana 60 with Detroit in rear, 4.10 gears, 4 wheel disc brakes
37 x 12.50R16.5LT HUMMV tires (rolls out at 35")
2.5" true duals with Flowmaster SUV 50's with a 2.5" H-pipe just in front of the mufflers bent over the driveshaft

1984 K10 Getting ready for a nice newly refreshed 1982 (changed to a 1989) 6.2 to replace the 350 gasser
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Old 01-15-2013, 08:01 PM   #8 (permalink)
sctrailrider
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Quote:
Originally Posted by acesneights1 View Post
I could not find any numbers in the book. It only talks about static timing and i have never done it that way. I don;t have the book for my MT480. Been trying to hunt one down.
I have the manual for the MT1480, but it doesn't give any specs... I am going to half to change my balancer first, the magnetic prob won't read the Fulidampr as it doesn't have a grove in it....
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My Build thread

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Old 01-15-2013, 08:05 PM   #9 (permalink)
sctrailrider
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Quote:
Originally Posted by JSarge View Post
20k pounds? That including the weight of the truck? Are you referring to the truck in your sig with 373 gears?

Yep....



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GEP 18:1
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Hellwig air bags
NV4500 tranny

My Build thread

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Old 01-15-2013, 10:43 PM   #10 (permalink)
Deezel
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Quote:
Originally Posted by sctrailrider View Post
What would you think the optimum timing is for a manual truck using a DB2 pump. .

Dump the timing tool. Won't work with 6.5l > No Spec, not applicable.


Best set the timing line on the pump one line width over toward the drivers side. Could go a bit more but you are over-loaded towing.
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