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Old 04-01-2019, 07:26 AM   #1
dpaqu

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Factory Lift pump rpm and HP limits on a 160 pump

Just soliciting thoughts before I pick a cam with or without a the transfer/lift pump lobe.
 
Old 04-01-2019, 09:43 AM   #2
bateman
 
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A few OG's have been over 700hp with 160 pumps. I believe Ponci's truck did 700+ never off the truck. I can't say what RPM
 
Old 04-01-2019, 09:50 AM   #3
9724VF350
 
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Pretty sure Ron Allen did 1200 on a factory lift pump when he forgot to kick his electric pump on.
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Old 04-01-2019, 08:07 PM   #4
MBusse
 
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I don't have a factory lift pump but I'm around 1k hp according to weight and track times with a Ferrell built 160 pump.
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Old 04-01-2019, 08:20 PM   #5
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Quote:
Originally Posted by MBusse View Post
I don't have a factory lift pump but I'm around 1k hp according to weight and track times with a Ferrell built 160 pump.
Really? On a 160 pump?? If so that's plenty stout.
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Old 04-02-2019, 06:52 AM   #6
jasonc

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Quote:
Originally Posted by MBusse View Post
I don't have a factory lift pump but I'm around 1k hp according to weight and track times with a Ferrell built 160 pump.
What are the track times?
Back in the day Matt Wells ran 11.40's with a 300k mile 160 pump, stock lift pump but with a Holley blue pump spliced inline feeding it pressure.
 
Old 04-02-2019, 07:54 AM   #7
Rich dzl
 
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Not sure why anyone would want to run a stock lift pump past 600 hp ,the piston lift pump check valves aren't efficient . Watch the fuel pressure anything less than 30 psi is costing HP
 
Old 04-02-2019, 09:07 AM   #8
jasonc

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This was in like 2004. Before airdog's or anything else really. Back when Garmon was one of the early pioneers.
 
Old 04-02-2019, 09:41 AM   #9
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I have a Non-Benched 160 running 11.47 currently. 362/75 compounds, 5x.018s, 4ks, and .024's.

Since then we have changed to 5x.022s, .093 lines and open holders, Pro street DV springs and 464/ 482 compounds. truck hasnt been ran yet.

I'm using a Fass with keating Check valves on the IP Return and Fass Return...
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Old 04-03-2019, 12:50 AM   #10
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Picked up 35 hp with an AirDog over a stocker. Free cheap(ish) HP on the table. Going to try Power Driven Diesel's Hot Rod lift pump in a couple days on the dyno. Should be interesting.
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Old 04-03-2019, 10:16 AM   #11
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I have a 180 pump, but I have gone 10.50 at 132 with a stock lift pump fed by a cheap electric pusher pump. Made 840 on the dyno. Been planning on upgrading the fuel system but just been pushing it off since it seems to be working alright.
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Old 04-03-2019, 02:53 PM   #12
dpaqu

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Quote:
Originally Posted by JQmile View Post
Picked up 35 hp with an AirDog over a stocker. Free cheap(ish) HP on the table. Going to try Power Driven Diesel's Hot Rod lift pump in a couple days on the dyno. Should be interesting.
I'm very interested in that pump. That or the big belt driven mechanical pump.
 
Old 04-03-2019, 09:16 PM   #13
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Quote:
Originally Posted by JQmile View Post
Going to try Power Driven Diesel's Hot Rod lift pump in a couple days on the dyno. Should be interesting.
I too would like to know what you find.

-Scott
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Old 04-03-2019, 11:53 PM   #14
JQmile
 
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Quote:
Originally Posted by dpaqu View Post
I'm very interested in that pump. That or the big belt driven mechanical pump.
Modified factory piston pump. Higher pressure and flow.
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89 Dodge 972rwhp on the hose, still a VE!
 
Old 04-04-2019, 08:44 AM   #15
dpaqu

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Quote:
Originally Posted by JQmile View Post
Modified factory piston pump. Higher pressure and flow.
Will it fuel over 3000rpm? At some point I figure it will just bounce on the cam lobe.
 
Old 04-04-2019, 08:52 AM   #16
jasonc

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I've heard guys are using a comp cams valve spring to replace the stock spring to solve that problem. If you search on here you can find the part number. Look up Jeffery Weeks thread, he went that route and it helped. I beleive he ran some low 11's with that setup.
 
Old 04-04-2019, 12:41 PM   #17
dpaqu

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Quote:
Originally Posted by jasonc View Post
I've heard guys are using a comp cams valve spring to replace the stock spring to solve that problem. If you search on here you can find the part number. Look up Jeffery Weeks thread, he went that route and it helped. I beleive he ran some low 11's with that setup.
Was that on the stock P-Pump lift pump or the Hot-rodded Power Driven Diesel one?
 
Old 04-04-2019, 05:03 PM   #18
jasonc

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Stock lift pump
I believe he went to a larger feed line and maybe a separate filter? I can't remember exactly.

Look his build thread up on the truck. I can't remember what he titled it, but user name JefferyWeeks
 
Old 04-05-2019, 12:49 AM   #19
JQmile
 
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Good luck so far with the PDD pump here. Truck already had an adjustable ofv when I bought it, and the injection pump isn't modded much, but I am running big injectors (5x18) fuel pressure maintained 40psi at 3,000rpm no problem. Has crazy pressure on the pump rod though, kind of hard to install.
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89 Dodge 972rwhp on the hose, still a VE!
 
Old 04-05-2019, 07:03 AM   #20
GAmes

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Quote:
Originally Posted by JQmile View Post
Has crazy pressure on the pump rod though, kind of hard to install.
That is easily overcome by using studs instead of bolts.
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