pump help please??
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pump help please??
by blkoutdsl » Thu Oct 02, 2008 4:43 am
i have read many many threads and seen guys with the term pump to the head ..what does the do? how much gain do you get
92 reg. cab. 4x4 5pd flatbed..pump cranked, wh1c, 4in. downpipe to 5inch, no air box k&n filter
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by 1991cummins » Thu Oct 02, 2008 7:20 am
it affects timing, turning your pump to the head would advance your timing, the other direction retards it.
I dont know what it will do for a stock governed truck, but on a truck with a 366 spring (3200 governer spring) you will see slightly lower boost numbers and much more power and pick up. it really wakes 'er up
I dont know what it will do for a stock governed truck, but on a truck with a 366 spring (3200 governer spring) you will see slightly lower boost numbers and much more power and pick up. it really wakes 'er up
1991 D350, reg cab, five speed, 4" dp 5" mitre cuts, 32 gsk, pump max, piston lp, POD injectors, S300, 3" cooler tubz, coolingmist, boost, pyro and tach... dually rockstars black, and custom fit 2nd gen towing mirrors
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