| [ Total Views: 646 | Total Replies: 9 | Thread Id: 94019 ] |
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 cesiumfrog
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| posted on November 27th, 2011 at 04:28 PM |
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hexbar linkage question
hey fellas, i have the latest model cb hexbar kit, steel bar etc.dual drla 40s.
after synchronising carbs and linkage, at full throttle travel, there is a gap on one side between stops on one carb of 3-4 mm.
the car seems to run fine but is a little concerning as this implies that one carb is leading as the revs increase.
everything looks straight and even otherwise and no play in linkages.
at idle both carbs read the same on the snail gauge.
any comments?
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vwo60
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| posted on November 27th, 2011 at 04:43 PM |
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check and make sure that the actuation arms are the same distance along the bar and the linkage is the same angle looking from behind.
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cesiumfrog
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| posted on November 27th, 2011 at 05:56 PM |
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yeah...done. thanks.
however if i slide them both along the same way till they have extreme angles i can make them idle the same and reach the stops togrther?
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 Bizarre
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| posted on November 27th, 2011 at 06:16 PM |
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mmm.............. thought they should be verticle??
Futue te ipsum!!!
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cesiumfrog
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| posted on November 27th, 2011 at 08:27 PM |
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yep, vertical is correct biz....just not working properly that way.
i should stress it is only 3-4mm out at end of travel on one side, but...
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Bizarre
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| posted on November 28th, 2011 at 06:26 AM |
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Do you have any "slop" in the ball joints / hex bar??
I had problems with mine - one of the reasons I changed to CSP
Futue te ipsum!!!
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matberry
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| posted on November 28th, 2011 at 07:01 AM |
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It's the ratio that can change if any lever arms are different in length. This will normally happen if the adj rods aren't the same angles relative
to the arms or an arm has a slight bend thus altering the length. Take a pic of your setup.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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cesiumfrog
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| posted on November 28th, 2011 at 09:39 PM |
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pic
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Bizarre
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| posted on November 29th, 2011 at 05:48 AM |
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mmmmmmm........... the right arm seems to be pointing up more??
Would mean the arm is longer??
Is it the right one that stops first??
Futue te ipsum!!!
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cesiumfrog
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| posted on November 29th, 2011 at 08:34 PM |
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yeah..right one hits stop before left.
it does look higher in the pic but i think it's just the pic.
i'm going to try pulling the linkages to bits and refitting with the bar turned 180deg. or end for end just to see if anything changes.
thanks bizarre,mat
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