jedi
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| posted on 21/12/08 at 09:39 PM |
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zx6r carbs/ xflow
hi all, ive just swapped my 40 dcoe,s for a set of zx6r carbs (99), ive drilled the main jets to 1.5mm and raised the needle one clip off center,
the air filter is a pipercross sausage filter modified to fit on the airbox backplate, now the car drives ok tootling about, infact loads better than
my old webers, but its down on power top end, can anybody suggest any settings/procedures i can have a mess with until i get it on the rollers in the
new year, my xflow was 134 bhp at the wheels with the webers which had 36mm chokes/135 main jets etc the last time it was set up if that helps, also
i have a set of r1 carbs in bits if any parts are worth swapping over, and ive also been advised to take a dynojet kit with me when i have it set up
properly, what are peoples thoughts on this, cheers tony
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RichardK
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| posted on 21/12/08 at 09:50 PM |
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I've got a few spare 1.55mm drill bits if you decide you need go up half a size.
Cheers
Rich
Gallery updated 11/01/2011
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will121
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| posted on 21/12/08 at 09:53 PM |
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i started with 165 jets on my tuned 1600 CVH with zx6 carbs, I brought a set of four at £4 each.
with these it started first time, ticked over and revved freely!
As part of the upgrade, I had also fitted a lambda sensor into the exhaust manifold and brought a magic box to monitor and indicate the fuel/air
mixture, which indicated it was running too rich. (so did the 15mpg I initially got!).
xz6r carbs ar 38mm, so wouldnt see any advantage going to R1 carbs also Dyno jet kits are generally produced to iron out the mixture in the bike the
carbs were fitted to so cant see a great need in a car situation,
my zx6r carbs are fitter to a 1600cvh with the aid of the fuel/air monitor continued to tweak the fuelling, its now running with an air box, 150 main
jets (for full throttle fuelling), needle jets position 2 of 5 (mid range) and air screws two turns out (tick over fuelling) which seems to suit my
engine
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jacko
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| posted on 21/12/08 at 09:57 PM |
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Hi i have zx9r carbs on a pinto and when Bogg Brothers set them up they block a hole that's in line with the main needle that what they do to
stop the fuel / air mix from going week at high revs
I don't know if they do this to all makes / sizes of carbs
If your fuel is getting to week it may do damage to your engine IE pistons
Jacko
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whitestu
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| posted on 22/12/08 at 02:32 PM |
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I've got ZX6Rs on a 2.0 Zetec. I have 1.6MM mains and they work great with not probs at the top end.
Stu
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