24 Valve Engine and Drivetrain Discuss the 24 Valve engine and drivetrain here. No non-drivetrain discussions please. NO HIGH PERFORMANCE DISCUSSION!
View Poll Results: What Style Lift Pump are you running
Holley blue, red, black
10.56%
Fass
25.35%
Airdog
11.97%
Airtex
4.58%
Raptor
3.17%
Carter
20.77%
Other
9.86%
Fuel Boss/MITUSA/RASP
1.76%
Walbro
11.97%
Voters: 284. You may not vote on this poll

Battle of the LIft Pumps! (Poll Included)

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Old 02-25-2008, 09:07 PM
  #31  
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I would jump on the raptor if there was proof of it being reliable. Right now I have good pressures but some day would like to kick it up a notch for better vp protection. I really am leanin on the raptor but so far from what I can see its not tested....
Old 02-25-2008, 09:09 PM
  #32  
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Or do yall think this one might be better? How difficult is one of these to install? Thanks from a newbiehttp://cgi.ebay.com/ebaymotors/FASS-...em110227777060
Old 02-25-2008, 09:13 PM
  #33  
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The FASS sure looks heavy duty and not a bad price.
Old 02-26-2008, 07:19 AM
  #34  
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Originally Posted by Taxidermyman
Hey fellas what about this one off ebay? Any good? http://cgi.ebay.com/ebaymotors/ws/eB...222487737&rd=1

I got the Airtex replacement and it was good at first. 20 psi idle 10 at wot. Now a month later, it will drop to 0 if I turn the juice up, and to about 3 with the juice on 1. The weird thing is that I still get 18 psi at idle? Whats up with that?
Hmm that's interesting. I thought the Airtex was supposed to be a good pump. I guess not.

Fass is getting the most votes of users. I wonder how many they have actually sold and how many pumps they have had returned.
Old 02-26-2008, 04:45 PM
  #35  
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I Went Ahead And Went With The Raptor, It Should Be In Any Day. Heres The Reason, The Price, The Fact That It Is Made By The Same People That Make The Airdog, Comes With The Big Line Upgrade, And A 6year Warranty On The Pump If It Is Defective Which Is Alot Better Than Cummins' 6 Month Warranty On Replacement Pumps. My Replacement Lasted 8 Months, Huh- Just Past Warranty

SOMEBODY HAS TO TEST THEM
I WILL LET Y' ALL KNOW HOW IT WORKS
Old 02-26-2008, 06:28 PM
  #36  
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Thanks Matt. I dont really think you can go wrong. Esp with the price. Let us know how hard it is to install.
Old 02-26-2008, 08:25 PM
  #37  
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i got my gauages fixed today. i have an Airtex idles at about 16-17 psi crusing at about 55mph its at 14-15 WOT it dip to 7 the the adrenaline on stock pushing about 25 psi boost. WOT with adrenaline on 10 i can pull her to 3psi but i dont like it below 5 so i keep the adrenaline on about PL02 or 3
Old 02-27-2008, 04:24 AM
  #38  
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12 valve pump cam driven for me.

Simple and stupid, just like it's owner!

Dave
Old 02-27-2008, 04:39 AM
  #39  
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Carter pusher here. 24 @idle and 15 @ WOT Good enough for me!
Old 02-27-2008, 08:26 PM
  #40  
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Originally Posted by 91rangerturbo
thank you sir.
You're welcome.
Old 02-27-2008, 08:34 PM
  #41  
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Walbro 392 with a Swagelok relief. Originally pegged my 30psi mech gauge at idle. Now tuned to 23psi at the LP, 20-21 at the VP. Never less than 15 at WOT. After a Carter POS lasting 3 months I'm not messing around. Thinking about the VP44 and the 14psi internal bypass I believe it needs 14psi at all times to make sure there is sufficient cooling. Just my 2 cents....
Old 02-28-2008, 07:47 AM
  #42  
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Sounds like walbro's are kind of hit and miss also.
Old 02-28-2008, 03:32 PM
  #43  
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I know fass only advertises something like a 3% failure rate but every board you look on people are having to send them back for loud pumps or warranty work so i wonder where there numbers come from. Some how I doubt the father and son have a nice xmas together after there split up from reading the court right up i imagine it got pretty ugly and heated. Owell happy with my decision
Old 02-28-2008, 04:04 PM
  #44  
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I'm running a Walbro with 20 at idle and 17 under WOT
Old 02-28-2008, 05:16 PM
  #45  
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Regarding failure rates, I don't think anyone wants to get too excited about sharing that with the public.

And what defines a "failure". Your definition may very well be far different than the manufacturers.

In any case, a 3% failure rate on 30,000 units is 900. I have no idea how many units any of these companies have sold.

Dave


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