fass fuel pump question - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 11 (permalink) Old 12-24-2008, 08:16 PM Thread Starter
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fass fuel pump question

i was doing some snooping and found that my dad bought me a fass [email protected] i was wondering if i can upgrade the spring myself to the 60psi spring and with such a big pump will i need a rr when i upgrade to 190s
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post #2 of 11 (permalink) Old 12-25-2008, 03:03 AM
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Pretty sure you can change the spring, but 55psi would be fine. You don't have to have a regulated return, some people recommend it, others say its not necessary.
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post #3 of 11 (permalink) Old 12-25-2008, 03:04 AM
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DO not get one!!!!

Wait for FASS to release the RR they are working with because the two regulators get messed up.

I would never buy another fass any way lol.
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post #4 of 11 (permalink) Old 12-25-2008, 03:09 AM
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I was told all the new Fass pumps come with th 60 psi spring

SOLD!!
2004 F-350 CC Shortbox, SCT, S&B intake, Gauges, Intake elbow, ARP Studs, Stage 1 fuel system, Fass 150/180(took off), titian 52 Gallon fuel tank, b&w turnover ball, Line-x in bed and bottom of truck,
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post #5 of 11 (permalink) Old 12-25-2008, 03:49 AM
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mine was a 55 and it wouldnt keep up, we installed the 60 spring and fitting and now it never drops belowe 58, i know it dosnt make much sense because it wasnt producing the flow but the bigger spring must have helped a little....
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post #6 of 11 (permalink) Old 12-25-2008, 03:57 AM Thread Starter
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Quote:
Originally Posted by SparkyLV View Post
DO not get one!!!!

Wait for FASS to release the RR they are working with because the two regulators get messed up.

I would never buy another fass any way lol.
y would you never by another fass....it was already bought so i cant say no and i wouldn't say no cuz my hfcm is on its last leg....does anyone know of where i can get a big fuel line kit so i dont have to piece one together?
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post #7 of 11 (permalink) Old 12-25-2008, 03:57 AM
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I'd get one of the new Airdog pumps, they just released a good one for us.
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post #8 of 11 (permalink) Old 12-25-2008, 04:00 AM Thread Starter
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i was going to but i wanted this fass first and thats what my dad heard me say so he got it then i found the new airdog but it was to late...i heard its release date got postponed till sometime in jan.
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post #9 of 11 (permalink) Old 12-25-2008, 05:40 AM
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I really like the FASS myself, I only had problems with the balls getting sucked through but other then that my FASS has been flawless, and after replacing the ball it hasn't had a relapse. And up until recently Airdog didn't have a comparable pump unless you wanted to risk running it beyond their designed limits, the new one would be nice since it's cheaper then the FASS. As far as RR I wouldn't think it would be necessary, but I would recommend replacing the banjo bolts or punching them out.

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post #10 of 11 (permalink) Old 12-25-2008, 08:14 PM
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hey don't mean to hijack..i am looking at buying a fass for mine. i will need to feed 235cc injectors. .will that be enough. the 150/180 at 55psi? where is everyone seeing the new airdog at? or will fass be better off?
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