Philbo
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| posted on 2/5/03 at 02:08 PM |
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Crossflow + Weber feed lines
Hi, I've got a Xflow and a single weber carb that is supposed to be the one used for the 750MC Locost race series. It's got a load of
tubes and wires hanging off it!
Can anyone give me a link to anywhere that would describe what each of these do so that I can plumb the engine in?
TIA
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Mark H
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| posted on 2/5/03 at 02:15 PM |
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Phil,
I have a 1300 XFlow with the same carb as you sitting on my garage floor, and i left it in a state that it could be stuck back in (i swapped it for a
1660cc).
Once my friggin digi cam is sorted, I will attempt to take close ups of it, and tag the photos - if you can wait a week or so?
Mark
Mark Harrison and
Q986 KCP back from the dead...
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Philbo
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| posted on 2/5/03 at 04:12 PM |
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That would be great Mark, thanks. I'm nowhere near close to actually plumbing the thing together, so there is no rush.
On a related note, is there any easy way of identifying exactly which Weber carb I have? I was told when I bought the engine it was the correct one
for the racing series, but it would be nice to know before the event...!
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JohnFol
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| posted on 2/5/03 at 05:59 PM |
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on the side of it should be stamped 2 circles, one with a 23 and one with a 24 in it.
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Philbo
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| posted on 2/5/03 at 06:19 PM |
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quote:
Originally posted by JohnFol
on the side of it should be stamped 2 circles, one with a 23 and one with a 24 in it.
Cheers John,
I'll take a look. Fingers crossed :-)
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D Beddows
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| posted on 3/5/03 at 02:04 PM |
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Dead easy, the only pipe you should have attached to the carb is the one for petrol - and you don't even need to bother about the fuel return
pipe just block it off (top pipe btw). Take EVERYTHING else off as it will only be robbing you of power; automatic choke, choke flaps, the bar that
holds the choke flaps, any bits of wire...... like I said EVERYTHING 
I know people get woried that they'll never start the car if they remove the choke but it's not the case - if the carb is properly set up
(on a rolling road - absolutely vital anyway, standard 1300 jet sizes are too small) the only time it will be reluctant to start will be first thing
in the morning on a cold damp day and even then if you cover the top of the carb with something like a suitably sized piece of aluminium to act as a
choke it should start straight off.
As Jon has said the venturi sizes are stamped on the throttle linkage side of the carb - make sure you check as 32/36 DGV/DGAV carbs are much more
common, would work better, are cheaper and easier to buy but aren't allowed (oh the joys of Locost racing regulations!!!) and it is one of the
few things scruitineers check at the drop of a hat
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