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Jimster
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455bhp per ton
12 sec 1/4 mile road legal mini

Sunny Bridgend, South Wales

14th Aug, 2008 at 08:10:11pm

does anyone know the maxiumum pressure the fuel pump in an spi tank can deliver is?

can it reach 3.5 bar?

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Bat

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Bermingum

14th Aug, 2008 at 10:48:10pm

Hi,
I've not got any technical details, but it probably can, the thing is the flow rate at that pressure may be next to useless :(
Cheers,
Gavin :)

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Ric

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Basingstoke

15th Aug, 2008 at 12:59:15pm

I'm sure I read somewhere it can only do 20ish psi, making it unsuitable for anything over 15psi of boost and obviously no good for an injection turbo.

This could be bollocks though.........

matty

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Aylesbury

15th Aug, 2008 at 01:38:47pm

Ive heard 1bar of fuel pressure, although thinking about it, it could of been only good for 15psi of boost because of the fuel pressure being 3.5 psi above boost pressure *oh well*

I would go for another aftermarket injection pump. Plenty on the bay for reasonable money.

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1/4mile in 13.2sec @ 111 terminal on 15psi

Nick
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Midlands

15th Aug, 2008 at 06:09:17pm

they only put out 1 bar, we tested the one on matt's mighty mini last season.

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Jay#2

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Northern Ireland (ex AUS)

15th Aug, 2008 at 06:26:23pm

I see Demon Thieves sell 3.5bar internal pumps, is it possible to upgrade an SPi setup with one of these? Also Merlin list an uprated pump for the SPi.

On 7th Nov, 2008 Nic said:
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Bat

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Bermingum

15th Aug, 2008 at 06:28:17pm

Hi,
They must put out more than 1 bar as that's what the system is regulated to and they'll always be fuel returned to the tank.
Cheers,
Gavin :)

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Paul S

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Podland

15th Aug, 2008 at 06:37:20pm

It's an easy job to convert the SPi pump to a higher pressure jobbie:

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Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."

Jay#2

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Northern Ireland (ex AUS)

15th Aug, 2008 at 09:21:38pm

Ahhh, thanks Paul.

On 7th Nov, 2008 Nic said:
naeJ
m
!!!!!!sdrawkcab si gnihtyreve ?droabyekym ot deneppah sah tahw ayhwdd


matty

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Aylesbury

15th Aug, 2008 at 09:57:38pm

Ford puma pumps are an easy fit too! *wink*

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1/4mile in 13.2sec @ 111 terminal on 15psi
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