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#1611467 - 12/11/2017 17:30 max bhp from standard injectors?
liam_gill Offline
Making a profit

Registered: 01/10/2009
Posts: 264
Loc: berkshire england
if i uprate the fuel pump and use a 3.8 fuel pressure regulator would i be able to hit 340bhp with the supporting mods i have?
(but using the standard injectors)

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#1611468 - 12/11/2017 18:31 Re: max bhp from standard injectors? [Re: liam_gill]
magooagain Online   happy
Club member 259
Forum is my life

Registered: 22/10/2008
Posts: 6402
Loc: ked
I would say you may be getting up to the limit the stock injectors can handle.
An upgrade to 440 cc may be wise.
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#1611469 - 12/11/2017 19:25 Re: max bhp from standard injectors? [Re: liam_gill]
kj16v Offline
My life on the forum

Registered: 12/02/2008
Posts: 1702
Loc: London
Use Bosch 470cc injectors "Astra VXR" injectors. They work so much better than the green 440cc injectors.

Bosch Part No. 0 280 156 280

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#1611477 - 13/11/2017 06:20 Re: max bhp from standard injectors? [Re: liam_gill]
Nigel Offline
Club member 123
Forum veteran

Registered: 16/12/2005
Posts: 16843
Loc: Staffordshire
What is the spray pattern on the VXR injectors?
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#1611502 - 13/11/2017 21:20 Re: max bhp from standard injectors? [Re: liam_gill]
liam_gill Offline
Making a profit

Registered: 01/10/2009
Posts: 264
Loc: berkshire england
hmm interesting may have to look into sourcing some 2nd hand injectors if possible. ( from 2 vehicles!)

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#1611524 - 14/11/2017 13:38 Re: max bhp from standard injectors? [Re: Nigel]
kj16v Offline
My life on the forum

Registered: 12/02/2008
Posts: 1702
Loc: London
Originally Posted By Nigel
What is the spray pattern on the VXR injectors?


2 cones, 20° spread, according to one source.

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#1611531 - 14/11/2017 15:45 Re: max bhp from standard injectors? [Re: kj16v]
Nigel Offline
Club member 123
Forum veteran

Registered: 16/12/2005
Posts: 16843
Loc: Staffordshire
Originally Posted By kj16v
Originally Posted By Nigel
What is the spray pattern on the VXR injectors?


2 cones, 20° spread, according to one source.


Any idea of the gap between the cones?
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