RazMan
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| posted on 26/3/06 at 10:12 PM |
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In line fuel filter?
I need to put an in-line filter in the high pressure line to the injectors - any recommendations?
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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graememk
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| posted on 26/3/06 at 10:33 PM |
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herrm nows theres a thought, i just bought a normal one from halfords.
never thought if it would be ok, but it hasnt started to leak yet
[Edited on 26/3/06 by graememk]
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RazMan
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| posted on 26/3/06 at 10:40 PM |
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In a high pressure line?  Halfrauds must be improving 
[Edited on 26-3-06 by RazMan]
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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graememk
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| posted on 26/3/06 at 10:44 PM |
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something i hadnt thought about, best look into getting a different one lol
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ned
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| posted on 27/3/06 at 06:48 AM |
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I'm using one of the removable filter elemt cnc ally ones from thinkauto. There are also the bullet style filters which are high capacity and
more expensive. AFAIK both are fine for high pressure injection lines.
Ned.
beware, I've got yellow skin
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RazMan
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| posted on 27/3/06 at 06:57 AM |
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They certainly look the part - very bling
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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Mix
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| posted on 27/3/06 at 07:24 AM |
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It's always been my understanding that the inline type filters shown above had too low a filtration standard for injectors. They will be fine as
a filter between the tank and the pump where it's primary purpose is to stop relatively large bits of 'crud' causing damage to the
pump but you need something that will filter out much smaller particles to protect the injectors.
Mick
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ned
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| posted on 27/3/06 at 07:29 AM |
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Fair comment Mick, in my case I've got a -low pressure pump pre-filter, there is a filter in the red top pump, then a filter in my swirlpot and
then this filter after the high pressure pump. The only thing it needs to protect the injectors from is if the injection pump packs up and
dissintegrates which I think is quite unlikely..
Ned.
beware, I've got yellow skin
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atomic
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| posted on 27/3/06 at 07:35 AM |
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Filters really depend on your setup. If you are running an external fuel pump then you really want to run two filters. One about 70-100 micron pre
pump and one after the pump about 40micron. Best bet for the 70-100 micron would be one using Stainless Steel mesh and the 40micron using a paper
element. But if you have a internal tank pump then you should be okay with just a 40micron filter in the line as most internal pumps have large
partical filters on them in the tank.
Dont use a Sintered Bronz on a injection system as they create to much restriction. They are fine for use with Carbs though.
The larger the filtration area the better.
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Mix
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| posted on 27/3/06 at 07:37 AM |
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I hear what you are saying Ned, but remember no matter how many filters you have they will only stop crud bigger than the smallest filter membrane.
Now look at the size of the orifices in the injectors. All commercial systems use a fine cartridge type filter for a reason.
Mick
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RazMan
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| posted on 27/3/06 at 07:41 AM |
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quote:
Originally posted by atomic
But if you have a internal tank pump then you should be okay with just a 40micron filter in the line as most internal pumps have large partical
filters on them in the tank.
This is my setup - an 'in tank' Landrover pump & swirl pot. I am not certain that it has an integral filter hence my need for an
in-line one.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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NS Dev
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| posted on 27/3/06 at 07:46 AM |
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Dead easy this one, no need for any cafuffle, stop fussing!!!!
Buy a standard inline fuel injection filter, available from HalFRAUDS for around a tenner, or a fiver from your motor factors, ask for the fuel filter
for an Opel Manta GTE. These are an extruded ally casing, with paper element and 5/16" hose barbs each end, look neat and are designed just for
the job.
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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Mix
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| posted on 27/3/06 at 07:51 AM |
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So we agree then......
Mick
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atomic
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| posted on 27/3/06 at 07:53 AM |
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I think you should be okay with a FRAM HPG-1. They will flow up to 90GPH and have a maximum recommended working pressure of 200psi.
You should be able to get on from http://www.speedflow.co.uk/partlist.htm
To have a look at whats available have a look at Summit Racing website. They are a US company but have a good website and will ship over
sea's
http://store.summitracing.com/
Kinsler also have a very informative website
http://www.kinsler.com/
[Edited on 27/3/06 by atomic]
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NS Dev
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| posted on 27/3/06 at 07:55 AM |
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any motor factor will have a perfectly good injection filter
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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RazMan
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| posted on 27/3/06 at 08:04 AM |
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Thanks for all the suggestions guys - I'll see what my local motor factor has to offer
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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