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03-06-2019, 09:57 PM
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#1
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Name: SCHMITTY
Title: Not enough time
Status: Not Here
Join Date: Jun 2012
Location: K beach, AK
Member`s Gallery
Posts: 1,183
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Can I use a fass 165 from an 06 Dmax on my 95’ ?
I have a modified Cummins lift pump right now but it still drain my fuel pressure.
I’ve been holding out for a new predator pump or a good deal on a fass.
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stock 94
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03-06-2019, 10:22 PM
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#2
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Name: Empty_Pockets
Title: Undercover Epa agent
Status: Not Here
Join Date: Oct 2016
Location: Va wv line
Member`s Gallery
Posts: 870
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You'll need new lines, fittings, rewire, stretch the spring or get a new one the ones for the duramax run lower psi. That might be it.
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03-06-2019, 10:58 PM
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#3
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Name: SCHMITTY
Title: Not enough time
Status: Not Here
Join Date: Jun 2012
Location: K beach, AK
Member`s Gallery
Posts: 1,183
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I was concerned about the fuel pressure
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stock 94
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03-06-2019, 11:31 PM
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#4
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Name: Empty_Pockets
Title: Undercover Epa agent
Status: Not Here
Join Date: Oct 2016
Location: Va wv line
Member`s Gallery
Posts: 870
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What psi do you want it to run? Could probabaly stretch the spring to 10 or 12 psi. They come set at around 7 or 8 for the duramax. Could also call fass and get a tighter spring.
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03-07-2019, 12:08 AM
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#5
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Name: DDually
Title: Still spooling..
Status: Not Here
Join Date: Nov 2009
Member`s Gallery
Posts: 2,095
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40 psi or so would be my guess on a 180 pump
__________________
1995 Cummins with almost no matching paint, 2 dents
2001 VW TDI South bend, tune, nozzys, custom stuff that's rusting, one custom thing that's not rusting
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03-07-2019, 12:11 AM
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#6
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Name: Empty_Pockets
Title: Undercover Epa agent
Status: Not Here
Join Date: Oct 2016
Location: Va wv line
Member`s Gallery
Posts: 870
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Definitely going to have to get a new spring. Been awhile since I had a mechanical pump forgot they psi they want. Not 100% sure if they will push that amount of pressure on the motor they send for a 6.6. Hopefully someone who knows more chimes in.
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NIC R
Too many trucks
Last edited by Empty_Pockets; 03-07-2019 at 12:12 AM.
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03-07-2019, 08:46 AM
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#7
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Name: CorneliusRox
Title: Seasoned Rookie
Status: Not Here
Join Date: Dec 2012
Location: Detroit, MI
Member`s Gallery
Posts: 4,154
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The pump has enough potential to support just about any 12mm 180hp pump. You'd want to hit up FASS and get a replacement regulator spring since you're not going to get there by stretching a spring.
Then obviously the hose/fittings, and cables/relay, but that stuff is simple.
180 pumps like 35+psi, but do better with more pressure, so I'd play with what it can keep up with at WOT.
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Corey - BSME '21 Tesla Model 3 Perf
'22 DMax AT4 2500
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03-07-2019, 09:26 AM
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#8
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Name: SCHMITTY
Title: Not enough time
Status: Not Here
Join Date: Jun 2012
Location: K beach, AK
Member`s Gallery
Posts: 1,183
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Mine idles/cruises around 60-65 psi but a long wot run takes it down to 20 psi. Ive played with some pro comp 140 gph pumps that helped when the lift pump was stock but then I tried putting a comp cam valve spring in the lift pump and that made a noticeable improvement after removing the pusher pump. I’ve been trying to avoid dropping 600 on a lift pump but I’m pretty sure lack of fuel supply is holding my truck back.
There’s a local guy here parting out a wrecked lml and wants 300 obo for the fass platinum 165. I have been eyeballing that new belt driven pump from pdd if I buy new.
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stock 94
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03-07-2019, 09:29 AM
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#9
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Name: SCHMITTY
Title: Not enough time
Status: Not Here
Join Date: Jun 2012
Location: K beach, AK
Member`s Gallery
Posts: 1,183
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With the eBay pusher setup and 5x16s the truck was keeping up with a bama tuned 5.0 , headers , many other bolt ons. 45-100+ I wonder if 165 would be enough
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stock 94
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03-07-2019, 10:11 AM
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#10
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Name: SCHMITTY
Title: Not enough time
Status: Not Here
Join Date: Jun 2012
Location: K beach, AK
Member`s Gallery
Posts: 1,183
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I called fass and they said it would be more than a spring swap to get the pressure I need I have to change the motor out also
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stock 94
Last edited by SCHMITTY; 03-07-2019 at 10:13 AM.
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03-07-2019, 10:56 AM
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#11
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Name: rdix7991
Title: Grumpy
Status: Not Here
Join Date: Apr 2009
Location: Tifton (aka Notfit), Georgia
Member`s Gallery
Posts: 1,051
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How much is the predator set-up?
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2000 Dodge 2500 SB Ext. cab 4x4. SOLD
1996 12V RCLB 4x4
1989 D250 2wd P-Pumped
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03-07-2019, 11:17 AM
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#12
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Name: SCHMITTY
Title: Not enough time
Status: Not Here
Join Date: Jun 2012
Location: K beach, AK
Member`s Gallery
Posts: 1,183
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Around 600$. Seems simple enough and it won’t be visible like a fass. Plenty of thieves around here.
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stock 94
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03-07-2019, 02:12 PM
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#13
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Name: Red Sleeper
Title: Too Much Time
Status: Not Here
Join Date: Aug 2009
Location: Lone Star State
Member`s Gallery
Posts: 4,595
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Your engine is mechanical, why not choose a mechanical lift pump such as the belt driven one? Your issue for enough fuel will be solved forever.
I picked one up new from a member on here for a decent price. Just keep your eyes out.
The thought of electrical fuel delivery failures always haunts me in rural areas on long hauls.
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Nick J
'14 Silverado LTZ 5.3 4wd
'05 Cummins QCSB 4wd 48re
'91 Cummins w350 5spd
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03-07-2019, 04:37 PM
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#14
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Name: SCHMITTY
Title: Not enough time
Status: Not Here
Join Date: Jun 2012
Location: K beach, AK
Member`s Gallery
Posts: 1,183
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My thoughts also
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stock 94
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03-08-2019, 12:00 PM
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#15
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Name: CorneliusRox
Title: Seasoned Rookie
Status: Not Here
Join Date: Dec 2012
Location: Detroit, MI
Member`s Gallery
Posts: 4,154
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Quote:
Originally Posted by SCHMITTY
I called fass and they said it would be more than a spring swap to get the pressure I need I have to change the motor out also
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A 165 Ti pump will support a LOT of power. It's a huge pump. Unless you're going full race above 1000hp, I don't see it being an issue.
I rock one on my daily truck (~450hp) and I like how quiet it is. I also like the built in fuel heater for days when it's -36F before windchill!
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Corey - BSME '21 Tesla Model 3 Perf
'22 DMax AT4 2500
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03-08-2019, 01:11 PM
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#16
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Name: SCHMITTY
Title: Not enough time
Status: Not Here
Join Date: Jun 2012
Location: K beach, AK
Member`s Gallery
Posts: 1,183
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The tech guy at fass didn’t seem like he was trying to sell me a new pump but he was saying the motors are different between the 165 for the p pump and the Duramax.
I hope it’s over 550-600 and then I want spray it . The k31 hits 60 psi pretty quick
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stock 94
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