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Groupie
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Joined: 11-July-2005
Location: Sheffield
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Points: 48 		Direct Link To This Post Topic: Power Boost
    Posted: 18-December-2005 at 15:24
Anybody got or investigated the Power Boost Valve that Motormec are
selling?

It's a replacement fuel pump that claims to improve throttle response, flat
spots and general performance. 90,65.
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Rhys View Drop Down
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Joined: 02-February-2003
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Points: 10053 		Direct Link To This Post Posted: 18-December-2005 at 16:45
I've read about these and they've had mixed reviews.

Link

It's a replacement valve, not a pump though.

and..
Quote
"The only downside is that its not available for single point injection cars or automatic cars."
V reg Rustbucket Merc C220 Cdi estate
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No BMW as yet...
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Joined: 11-April-2003
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Points: 6381 		Direct Link To This Post Posted: 18-December-2005 at 16:51
....which is just as well, as I've spent money on Ametech.....

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Points: 48 		Direct Link To This Post Posted: 19-December-2005 at 04:54
Ametech?

I'll check out the Automatic issue.
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Joined: 21-August-2003
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Points: 1365 		Direct Link To This Post Posted: 19-December-2005 at 05:09
Waste of money.

If you want a higher fuel pressure you're welcome to my old fuel pressure valve which was getting a bit weak.  15mpg & sooty spark plugs but definitely no extra power.

You can't get more power from just adding more fuel, you need more air too. Once you've got more of each (in the right ratio) then you've got to get it into the combustion chamber which has been designed for a specific amount of air/fuel mixture.

Remember, each cylinder will only take in 571cc of fuel/air (based on a 3.5) at normal atmospheric pressure.

If it was that easy to get significantly more power don't you think BMW would have done it after spending millions on engine development?

Alpina only managed to add 25-40bhp with head, valve, cam & exhaust mods. That's a 19% increase over a standard 218bhp motor.

BMW went to the lengths of fitting a 24 valve head etc for a 31% increase.
AndyS
Live each day as if it's your last - one day it will be.
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Groupie
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Joined: 11-July-2005
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Points: 48 		Direct Link To This Post Posted: 19-December-2005 at 05:26
Ok thanks for that. I thought it seemed a little
optimistic.
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Points: 10053 		Direct Link To This Post Posted: 19-December-2005 at 13:04
well, I was going to mention I think they did diddley squat - but some people sware by them.

You'd be better off spending the same amount on a remap or chip, least there will be an improvement.
V reg Rustbucket Merc C220 Cdi estate
J Reg Saab 900i 16v
'63 Ford Anglia 105e deluxe
R reg Honda PC50 moped..

No BMW as yet...
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