Which fuel transfer pump to buy? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 12 (permalink) Old 06-29-2012, 01:24 AM Thread Starter
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Which fuel transfer pump to buy?

Stock fuel pump only delivering 5 psi at wide open throttle in nuetral. For a old man with a rock stock truck that tows a 12,000# fifth wheel, which pump should I buy? FSS sells a replacement pump that they say delivers 30% better flow. $ 264.00 at Geno's garage. Any suggedtions?
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post #2 of 12 (permalink) Old 06-30-2012, 02:09 AM
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I gotta say AirDog II 100. and put you a fuel pressure gauge on it. I went down the LP and VP44 road with my 01 and would save that even at the price of the AirDog II its a deal when you price a VP44 Injection pump. I put an AirDog II 100 on my 6.7L CTD and Towing about the same weight I hold 16/17 PSI all day with a 70hp tow tune.

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post #3 of 12 (permalink) Old 07-05-2012, 03:49 AM
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Quote:
Originally Posted by oldbeek View Post
Stock fuel pump only delivering 5 psi at wide open throttle in nuetral. For a old man with a rock stock truck that tows a 12,000# fifth wheel, which pump should I buy? FSS sells a replacement pump that they say delivers 30% better flow. $ 264.00 at Geno's garage. Any suggedtions?
That statement kinda tell's just what kind of mechanic you are. Or would a simple question tell us more, "what is a clutch brake" I know that is a easy one.
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post #4 of 12 (permalink) Old 07-05-2012, 06:45 AM Thread Starter
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This reply is for LATER. I am not to proud to ask questions. I have been out of the business for 10 years. Not being afraid to ask questions is what gave me the edge as a good mechanic and fleet manager. I can only smile while I collect my $4,000 a month retirement from my last fleet job. A clutch brake is a brake that applies in the last 1/2 inch of pedal travel to stop the clutch and main shaft from spinning.
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post #5 of 12 (permalink) Old 07-05-2012, 07:38 AM
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I am glad you could figure that out, now are you saying that your current fuel transfer pump is only providing 5 psig to the VP injection pump at full throttle in netural? Or it should only provide....?
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post #6 of 12 (permalink) Old 07-05-2012, 05:04 PM Thread Starter
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I felt 5 psi at WOT was not good. Wanted to know which pump would serve me best in a stock situation. Have an Airdog raptor on the way which I am going to mount on the chassis. Thanks for the reply.
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post #7 of 12 (permalink) Old 07-06-2012, 04:53 AM
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You are correct 5 psig is the min.
I guess what I am trying to get at is WOT is not the peddle on the floor in netural. It would be the peddle on the floor at governor rpm under full load. You know full rack is what we called many years ago.
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post #8 of 12 (permalink) Old 07-06-2012, 05:04 AM Thread Starter
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Yea and I knew 5 psi was not going to get it at wot in nuetral. Probably lot less under full power. Didn't need to test any further as i only had a bench test guage. Thanks
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post #9 of 12 (permalink) Old 07-08-2012, 03:17 AM
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Put a gauge on it you so you can monitor it all the time, I have an Isspro gauge that I see maybe 1psi drop with heavy foot and 5er on. ( ADII 100)

"Only accurate rifles are interesting" -Townsend Whelen

2012 Ram 2500 Crew Cab Big Horn
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Yeah its stock.
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post #10 of 12 (permalink) Old 07-08-2012, 05:24 AM Thread Starter
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Quote:
Originally Posted by neeltburn View Post
Put a gauge on it you so you can monitor it all the time, I have an Isspro gauge that I see maybe 1psi drop with heavy foot and 5er on. ( ADII 100)
I am installing guage with new pump. Thanks
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