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Author Topic: EFI plumbing - pre and post pump filter  (Read 3630 times)
pupjoint
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Posts: 723
« on: November 26, 2019, 15:01:58 pm »
what filters you EFI guys here use for the pre filter for the fuel pump and also after?

bigger micron for before the pump?
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andy198712
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Posts: 1063
« Reply #1 on: November 26, 2019, 18:07:04 pm »
Quote from: pupjoint on November 26, 2019, 15:01:58 pm
what filters you EFI guys here use for the pre filter for the fuel pump and also after?

bigger micron for before the pump?

Yeah your pre pump filter needs to be very free flowing so high micron, and you want a good size feed hose.
After I run a Bosch filter with AN 6 ends that’s 8 Micron

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F172135791195
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pupjoint
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Posts: 723
« Reply #2 on: November 27, 2019, 00:29:06 am »
Quote from: andy198712 on November 26, 2019, 18:07:04 pm
Quote from: pupjoint on November 26, 2019, 15:01:58 pm
what filters you EFI guys here use for the pre filter for the fuel pump and also after?

bigger micron for before the pump?

Yeah your pre pump filter needs to be very free flowing so high micron, and you want a good size feed hose.
After I run a Bosch filter with AN 6 ends that’s 8 Micron

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F172135791195


thanks, pre pump filter how high should it be for the micron.
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Martin S.
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« Reply #3 on: November 27, 2019, 01:58:25 am »
I only have one filter in line before the pump. After one of the high micron smaller filters plugged up on the first test drive, Steve replaced it with a regular Bosch oil filter. He said the 356’s were like that. I haven’t looked at it since. I love the vintage hotrod spirit.
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
richie
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Posts: 5687
« Reply #4 on: November 27, 2019, 08:53:11 am »
Quote from: Martin S. on November 27, 2019, 01:58:25 am
I only have one filter in line before the pump. After one of the high micron smaller filters plugged up on the first test drive, Steve replaced it with a regular Bosch oil filter. He said the 356’s were like that. I haven’t looked at it since. I love the vintage hotrod spirit.

What 356s had EFi?  Shocked
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Cars are supposed to be driven, not just talked about!!!   


Good parts might be expensive but good advice is priceless Wink
WhiteTrash
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Posts: 268
« Reply #5 on: December 04, 2019, 19:07:13 pm »
Quote from: richie on November 27, 2019, 08:53:11 am
Quote from: Martin S. on November 27, 2019, 01:58:25 am
I only have one filter in line before the pump. After one of the high micron smaller filters plugged up on the first test drive, Steve replaced it with a regular Bosch oil filter. He said the 356’s were like that. I haven’t looked at it since. I love the vintage hotrod spirit.

What 356s had EFi?  Shocked

Haha, EFi 356 with oil filter plumbed into the fuel system. Ferdinand has just pissed himself laughing in his grave  Grin Cheesy Grin
The internet is a treasure chest of useful information.
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HOFF#67

Lotus White '67's are the best!!!
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