 100 micron pre pump fuel filter, 75 front pump location |
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| rfinegan |
 Nov 4 2025, 01:21 PM
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#1
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Senior Member  Group: Members Posts: 1,142 Joined: 8-February 13 From: NC Member No.: 15,499 Region Association: MidAtlantic Region 
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I am looking to route my fuel lines one more time (no kinks). While in there I will change my line to AN fittings and braided fuel lines. Does any one have a recommendation for a Pre fuel filter of 100 microns? I have a good post hi pressure filter in place already
Something like this? https://www.summitracing.com/parts/sum-2301...OlOTtQ0t6Qf48Fc |
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| rfinegan |
Dec 1 2025, 01:13 PM
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Senior Member Group: Members Posts: 1,142 Joined: 8-February 13 From: NC Member No.: 15,499 Region Association: MidAtlantic Region
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Evil works fuel filter and 6-an lines
 still more lines to make.... |
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| JamesM |
Dec 1 2025, 10:47 PM
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Advanced Member Group: Members Posts: 2,162 Joined: 6-April 06 From: Kearns, UT Member No.: 5,834 Region Association: Intermountain Region |
If you are updating things:
NO pre pump filter aside from the tank screen. 10 micron high pressure post pump filter I've been using these but you can get that one you posted with a 10 micron element as well. https://www.summitracing.com/parts/sum-230123b Cleanest fuel with the least amount of flow restriction. Late style bosch 2 port pumps will handle this no problem. you want the step up from the 10mm line to the 12mm line as close to the tank as possible. Or just change out the tank fitting itself. and before anyone bitches about not having a pre pump filter, this is the configuration Volkswagen moved to in the 80s with this pump to address cavitation on the intake side. you want as little restriction as possible between the tank and the pump. |
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| JamesM |
Dec 1 2025, 10:48 PM
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Advanced Member Group: Members Posts: 2,162 Joined: 6-April 06 From: Kearns, UT Member No.: 5,834 Region Association: Intermountain Region |
I am assuming this is a fuel injected car? if not than YMMV, not sure what all the various carb pumps can accommodate.
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| rfinegan |
Dec 2 2025, 12:11 AM
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#5
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Senior Member Group: Members Posts: 1,142 Joined: 8-February 13 From: NC Member No.: 15,499 Region Association: MidAtlantic Region
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QUOTE(JamesM @ Dec 1 2025, 11:48 PM)  I am assuming this is a fuel injected car? if not than YMMV, not sure what all the various carb pumps can accommodate. Yes, This is a new Wabro pump and will be 2056 fuel injected too. I will post the spin on 10 micron filter pics under the battery tray/ fire wall to complete the system (ALL PTFE lines)unless i can find room under the tank too( keep out of the heat)? Thanks for the tips 100 micron is like a large tank screen to catch the big chunks to protect the pump a little. The 10 micron will keep the injectors clean. 6-an =3/8 id PTFE, so should be larger inlet diameter and improvement and reduced bottlenecks kinks? |
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