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bosch 803's what do they flow?

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Old 27-03-2005, 11:20 AM
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leecavturbo
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Default bosch 803's what do they flow?
cc/min ? and do they come in both low and high impedance ?
will they support 400 bhp ?
where from and how much too
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Old 27-03-2005, 11:33 AM
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gurnE
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382cc/min IIRC

Low impedance

They're on their knees @ around 350-360bhp at best I think without tampering with fuel pressure etc
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Old 27-03-2005, 11:34 AM
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Im not sure of the cc per min or the impedance, but i do know they wont deliver enough fuel for 400 bhp.

Woodford garage seel them. About £50 per injector
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Old 27-03-2005, 11:39 AM
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Christian and Beccy
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I think they are around 380cc.

Mine were flat out on my RST at 3 Bar. Who knows what BHP, but must have bee around 300bhp.
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Old 27-03-2005, 11:42 AM
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400 bhp is a no no as i made 354 and i was running lean at top end. you can make it with 8 greens
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Old 27-03-2005, 11:44 AM
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Originally Posted by abdr500
400 bhp is a no no as i made 354 and i was running lean at top end. you can make it with 8 greens
i think i need 550 ish cc/min so what injectors is that ?
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Old 27-03-2005, 11:48 AM
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Greys.
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Old 27-03-2005, 11:53 AM
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Originally Posted by Christian and Beccy
Greys.

bosch ? part number
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Old 27-03-2005, 11:53 AM
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leecavturbo, light blues for 400bhp and greys for over both need fitting kits
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Old 27-03-2005, 11:54 AM
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also known as bosch 0280150403
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Old 27-03-2005, 11:57 AM
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Originally Posted by abdr500
leecavturbo, light blues for 400bhp and greys for over both need fitting kits
fitting kits ! ? why are they pico injectors ?
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Old 27-03-2005, 12:05 PM
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Originally Posted by leecavturbo
Originally Posted by abdr500
leecavturbo, light blues for 400bhp and greys for over both need fitting kits
fitting kits ! ? why are they pico injectors ?
They don't fit a standard fuel rail as fitted to Vauxhalls and Cossies etc. The fitting kit converts them so they will. They are Bosch injectors.

Greys are 503cc IIRC.
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Old 27-03-2005, 12:07 PM
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Yep, greys are 503cc/min

Here is the differences:

http://wwwrsphysse.anu.edu.au/~amh11...l_injector.htm

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Old 27-03-2005, 12:15 PM
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Originally Posted by gurnE
Yep, greys are 503cc/min

Here is the differences:

http://wwwrsphysse.anu.edu.au/~amh11...l_injector.htm

Quite a good link is that.
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Old 27-03-2005, 12:20 PM
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As said 350bhp is about their limit, althou didnt rainbird or hadland make 380 running greens once upon a time?!?!

Anythings possible with the right set up thou, look at Karl getting 300bhp out of yellows which was a no no once upon a time!!
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Old 27-03-2005, 01:10 PM
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Originally Posted by Toe Knee
As said 350bhp is about their limit, althou didnt rainbird or hadland make 380 running greens once upon a time?!?!
I think Mike R's figure was back in the days of four star and of course you can get more out of them by jacking the fuel pressure up etc.

Can't see the point in buying an injector to run it at near max duration imo, better to buy something more suited to the power you're lookingh to achieve
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Old 27-03-2005, 03:06 PM
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Andreas
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Just remember that most flow figures for injectors are done at 3 bar fuel pressure and the cossie run 3.5 bar.

greys @ 3,0bar = 503cm3
greys @ 3,5bar = 543cm3
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Old 27-03-2005, 03:18 PM
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Originally Posted by Andreas
Just remember that most flow figures for injectors are done at 3 bar fuel pressure and the cossie run 3.5 bar.

greys @ 3,0bar = 503cm3
greys @ 3,5bar = 543cm3
I thought they ran 3.7 bar?
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