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06-08-2008, 01:22 PM | #1 |
drive it till it dies
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fuel filter??
fuel filter before or after fuel pump????
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06-08-2008, 01:24 PM | #2 |
fugedaboutit
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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. |
06-08-2008, 01:58 PM | #3 |
Junior Member
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Location: Southeast Missouri
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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 |
06-08-2008, 02:07 PM | #4 |
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Re: fuel filter??
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
06-08-2008, 02:43 PM | #5 |
its all about the +6 inches
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Re: fuel filter??
after the pump.
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06-08-2008, 03:52 PM | #6 |
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Location: Overland Park, Ks.
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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 | #7 |
20' Daredevil (Ret)
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Re: fuel filter??
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
06-08-2008, 04:35 PM | #8 |
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Re: fuel filter??
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06-08-2008, 04:47 PM | #9 |
Between Trucks...
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Re: fuel filter??
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06-08-2008, 07:35 PM | #10 |
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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 |
06-08-2008, 09:27 PM | #11 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
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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 | #12 |
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Location: Bonne Terre, Mo
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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" |
06-08-2008, 11:20 PM | #13 | |
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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 | #14 | |
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Re: fuel filter??
Quote:
Maybe I'm reading it different than is intended though. Jay
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06-09-2008, 10:59 PM | #15 |
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Location: Texas
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Re: fuel filter??
they have sock type screen filter that fuel has to go thru before entering the actual pump
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06-09-2008, 12:28 AM | #16 |
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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 |
06-09-2008, 07:27 AM | #17 |
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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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06-09-2008, 10:04 PM | #18 |
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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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