Primer Gray P-Pump 1st Gen Build

No need to change spring if going p pump unless you change to a stiffer spring.
 
Red Sleeper said:
You can use a 12v mechanical pump with some different plumbing. Remove the fuel heater (unless you need it) and run a larger fuel filter. Fleet guard has a different part number that will work for this. You’ll need the delete nipple.

Look in the Geno’s catalog.
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Already have the nipple and the fuel heater is gone. Expecting a Geno's order today as a matter of fact.
 
Cam is out. Ready to reassemble with the ppump parts.
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KDP will be getting addressed.

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Timing case installed, KDP locked in, and 60lb valve springs going in.

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79powerwagon said:
Piston pump works great, loctite/stake VE front seal, regulate pump down to 20 psi (regulator or softer spring in pump)

3/8 lines seem to be plenty, personally i get rid of all the stock plumbing & filter and run baldwin bases with Cat filters. There is quite an improvement in fueling getting rid of all the banjo fittings
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I like this idea. I was already leaning this direction.
 
I've heard a comp cams valve spring is being used, keeps the pump from "floating" at higher rpm's. Friend of mine did the upgrade and said it was a big improvement. I can get you the part number if no one knows off hand.
 
I'm deleting the heat exchanger too. not sure yet on how to make that work.

Anybody ever done this?
 
rdix7991 said:
Thank you Jason!

What about the oil feed to the p-pump?
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I deleted the heat exchanger and installed a coolant bypass on my 05. Can’t recall the plumbing situation though. I’ll have to look at my truck this evening.

Check out the coolant bypass from Fleece. I think they have instructions online of what is removed.
 
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