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Home > General Chat > What size fuel pipe

Ryancarlin1

74 Posts
Member #: 11056
Advanced Member

South yorkshire

30th Aug, 2015 at 10:10:48pm

What size fuel pipe are people running? Is 10mm feed and 8mm return okay?

Brett

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9502 Posts
Member #: 1023
Post Whore

Doncaster, South Yorkshire

31st Aug, 2015 at 03:10:34am

8mm feed and 10 mm return ( return should be bigger or at least the same imo)

8mm feed is way more than enough

Yes i moved to the darkside *happy*

Instagram @jdm_brett


Turbo This..

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1767 Posts
Member #: 9165
Previously josh4444

Australia, brisbane

31st Aug, 2015 at 05:03:47am

used 5/16 (8mm) for both on mine
i think its not the line size but the volume getting to the engine ie small dia lines at high pressure or large dia at low pressure could be the same volume for a given time also routeing and fittings/sizes could bottle neck things

Rob Gavin

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6729 Posts
Member #: 618
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Glasgow

31st Aug, 2015 at 08:59:08am

personally I'm running 10mm OD copper return and 8mm OD supply on mine; I understand the preference would be for ID sizes but it works for me

madmk1

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5417 Posts
Member #: 6181
Double hard bastard

brookwood woking

31st Aug, 2015 at 09:31:42am

Well I have been using 8mm both ways and it looks to have worked ok for me.

I have started posting on Instagram also my name on there is turbomk1golf

Nothing is impossible it just costs more and takes longer.

On 1st Nov, 2007 Ben H said:
There is no such thing as 'insignificant weight saving', it all adds up.


coopdog

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330 Posts
Member #: 9628
Senior Member

31st Aug, 2015 at 09:43:51am

Yeah I have 8mm id there and back

Ryancarlin1

74 Posts
Member #: 11056
Advanced Member

South yorkshire

31st Aug, 2015 at 01:40:44pm

Would 8mm both ways be good enough for a build that's hopefully going to be pushing 180 bhp?


D4VE

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2975 Posts
Member #: 10749
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lowestoft suffolk

31st Aug, 2015 at 01:58:28pm

^^^ obviously ^^^


On 31st Aug, 2015 madmk1 said:
Well I have been using 8mm both ways and it looks to have worked ok for me.

On 24th Oct, 2015 jonny f said:
Nothing gets past Dave lol

NOTHING GETS PAST ME!! *tongue*

1/4 mile 14.7 @ 96mph 12psi boost
Showdown class A 2nd place 18.6 @ 69mph


stevieturbo

3591 Posts
Member #: 655
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Northern Ireland

31st Aug, 2015 at 02:06:43pm




On 31st Aug, 2015 Ryancarlin1 said:
Would 8mm both ways be good enough for a build that's hopefully going to be pushing 180 bhp?


With ease.

9.85 @ 145mph
202mph standing mile
speed didn't kill me, but taxation probably will

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