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06-08-2008, 01:22 PM
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#1 |
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drive it till it dies
Join Date: Apr 2007
Location: Larose, LA
Posts: 274
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fuel filter??
fuel filter before or after fuel pump????
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 live life to the fullest
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06-08-2008, 01:24 PM
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#2 |
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fugedaboutit
 
Join Date: Mar 2005
Location: Gresham, OR
Posts: 832
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Re: fuel filter??
After. Just dont run a glass one. In the engine compartment is easier to work on also.
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Currently truckless 
Last edited by redhead69; 06-08-2008 at 01:32 PM. |
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06-08-2008, 01:58 PM
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#3 |
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Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: fuel filter??
There seem to be differing opinions on this from time to time, some say before and some say after.
I run mine after the fuel pump because I have heard running it before the fuel pump can cause vapor lock. No matter what a metal fuel filter is the best, they tend to hold up better and don't break or melt. Danny |
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06-08-2008, 02:07 PM
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#4 |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,722
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Re: fuel filter??
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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06-08-2008, 02:43 PM
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#5 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: fuel filter??
after the pump.
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06-08-2008, 03:52 PM
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#6 |
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Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,229
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Re: fuel filter??
Both. I like to run an inline filter between the tank & pump. Then have a filter in the carb inlet. If you have a brand new tank it's not necessary for one from the tank to the pump.
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06-08-2008, 04:22 PM
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#7 | |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,722
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Re: fuel filter??
Quote:
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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06-08-2008, 04:35 PM
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#8 |
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Moderator
 
Join Date: May 2007
Location: Southern Cal
Posts: 20,031
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Re: fuel filter??
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06-08-2008, 04:47 PM
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#9 |
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Between Trucks...
Join Date: Mar 2002
Location: Los Angeles, CA.
Posts: 3,830
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Re: fuel filter??
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Beat it to fit, Paint it to match... 
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06-08-2008, 07:35 PM
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#10 |
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Registered User
Join Date: Apr 2004
Location: Las Vegas, NV
Posts: 2,188
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Re: fuel filter??
before the pump if you are running an electric... after if mechanical.
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RIP EastSideLowLife '72 C20 SWB convert. 5 lug, LS1/4l60e |
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06-08-2008, 09:27 PM
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#11 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: fuel filter??
you can pump sand through a mechanical pump and it won't phase it
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06-08-2008, 10:40 PM
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#12 |
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Registered User
Join Date: Apr 2000
Location: Bonne Terre, Mo
Posts: 3,005
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Re: fuel filter??
Whats the reasoning behind putting a filter before a electric pump? If you are driving a chevy newer model which has a in tank unit fuel pump it's filter is after the pump.
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'69 Chevy Long Fleet & '71 GMC Short Step & Project "ODD BALL" "You can wash a pig, soak it in most expensive perfume. In the end it is still just a pig." ODD BALL build thread http://67-72chevytrucks.com/vboard/s...d.php?t=478629" |
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06-08-2008, 11:20 PM
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#13 | |
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Registered User
Join Date: Apr 2004
Location: Las Vegas, NV
Posts: 2,188
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Re: fuel filter??
Quote:
http://static.summitracing.com/globa...199r7914-2.pdf scroll down to page 2. They actually recommend you run a T fitting with TWO filters before the pump - that just seems like plain overkill. But, a 5 dollar pepboy steel filter is some cheap insurance and keeps its unsightly arse out of my engine bay.
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RIP EastSideLowLife '72 C20 SWB convert. 5 lug, LS1/4l60e |
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06-09-2008, 10:48 PM
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#14 | |
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Registered User
Join Date: Jan 2006
Location: Kaufman, Tx
Posts: 827
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Re: fuel filter??
Quote:
Maybe I'm reading it different than is intended though. Jay
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You only need two tools in life - WD-40 and Duct Tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape. If a hammer doesn't fix it, you have an electrical problem! Slot Cars, 1:24 Scale, 100MPH@100,000RPM, fastest things on wheels!
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06-09-2008, 10:59 PM
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#15 | |
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Registered User
Join Date: Mar 2007
Location: Texas
Posts: 252
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Re: fuel filter??
Quote:
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-Scott- 1970 C10 shortbed 396 1969 C30 dually flatbed "Vidalia" |
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06-09-2008, 12:28 AM
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#16 |
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Registered User
Join Date: Apr 2000
Location: Bonne Terre, Mo
Posts: 3,005
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Re: fuel filter??
I wonder if thats just a way to say warranty void in case their pump fails? Extra insurance sorta deal. I read that Thanks. I wouldn't put a dual filter setup unless I was running a drag car or the indy 500 or an airplane. One filter should be plenty on most applications.
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'69 Chevy Long Fleet & '71 GMC Short Step & Project "ODD BALL" "You can wash a pig, soak it in most expensive perfume. In the end it is still just a pig." ODD BALL build thread http://67-72chevytrucks.com/vboard/s...d.php?t=478629" Last edited by Sammy; 06-09-2008 at 12:36 AM. Reason: revised |
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06-09-2008, 07:27 AM
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#17 |
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Registered User
Join Date: Dec 2007
Location: Santa Maria, Ca.
Posts: 1,423
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Re: fuel filter??
Edelbrock also says my warranty is voided if I don't have a filter before the pump on my TBI system
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69 Chevy 4x4 383 Power 
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06-09-2008, 10:04 PM
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#18 |
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Registered User
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
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Re: fuel filter??
Don't most EFI systems still use a "sock" or strainer of some type before the pump? I think as long as the pre-pump filter has little to no restriction, it won't tend to cause vapor-locking or cavitation.
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