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Had the same problem 120-130

posted by  dencat on  Sat Sep 24 09:34 CST 2005
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last visit: Wed Dec 9 17:36 CST 2009
[RELATED]

I fought with the high idle after driving on the highway for a lot of months. Similar set up also with a B20, SU's rebuilt by Tom Bryant and cast iron combined manifold. I finally resolved it by getting rid of the combined manifold (Tom Bryant's suggestion). I think there was an air leak at one or more of the shafts for the secondary butterflys. I installed an aluminium intake manifold and luckily found a dual pipe exhaust mahifold.
So, if the carb spacer doesn't work you might give this a try.
Good luck
Dennis






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New High Idle after coming off the highway [120-130]
posted by  brettsutherland subscriber  on Sat Sep 24 06:21 CST 2005 >


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