melly-g
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| posted on 21/2/06 at 01:17 PM |
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Zetec, Bike carbs & Supercharger
Is it possible to do this? Zetec with R6 bike carbs and supercharger!
If so how?
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NS Dev
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| posted on 21/2/06 at 01:24 PM |
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No doubt possible but I wouldn't do it that way!
You would need to mod the carbs to make them accept pressure to the float chambers from the charger, otherwise they won't work.
While this is possible, it is much better and easier to put the fuel in prior to the charger, in which case you don't need multiple carbs.
Using multiple carbs is also pointless as pulse tuning is of no advantage when you are pressure charging anyway!
Personally I would go for a modded inlet manifold, of the "log" type, (like the one they used on the PPC escort if you read that mag) and
pressure charge through that and do the fuelling with megasquirt or a proprietary injection system.
The other cheap way to do it is to pressure charge via some sort of manifold (std one if it will fit) and just arrange it sol the charger draws
through a single twin-choke weber carb, probably a single 50 DCOE or a smaller Holley 4 barrell would also do the trick.
Thing is you'll need an ecu for the ignition anyway so you might as well fuel inject it while your at it, a much better solution.
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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RazMan
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| posted on 21/2/06 at 01:24 PM |
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AFAIK Supercharging is certainly possible but you would have to ditch the individual carbs and opt for fuel injection or a single carb.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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02GF74
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| posted on 21/2/06 at 01:42 PM |
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as an aside, do supercharged engined run at normal compression (approx. 10:1) or lower like turbos?
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garyo
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| posted on 21/2/06 at 02:05 PM |
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There are some american companies that do supercharger kits for the Zetec, and they have some pretty impressive power/torque curves considering
it's a bolt on upgrade (no change to the standard CR)
"We are seeing 220 hp at 7000 RPM, and 180 foot pounds of torque at the wheels"
2k is a lot of money though. If you already have a megasquirt running off MAP sensor, I wonder how cheaply you can bolt on a supercharger?
American Focus Zetec super charger kit
Gary
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minordelay
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| posted on 21/2/06 at 02:27 PM |
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If running the carbs before the charger it must be of the wet type to avoid damaging the seals. Not a problem if injection is fitted after the charger
though.
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