240Z, 260Z, 280Z Performance / Technical Discussions related to performance motor enhancements, upgrades.

Initial Carb settings

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Old 02-19-2006 | 01:00 PM
  #1  
ZChief's Avatar
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From: Texas
Initial Carb settings

All,

I forgot the initial external adjustment settings for the 4 screw SU carbs (fast idol screws, fuel adjusment ***** etc).
Old 02-23-2006 | 06:09 AM
  #2  
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Joined: Mar 2003
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From: dayton, nevada usa
I checked mine to be sure and they are 2 turns to close. I'm at 4500 elevation so you might start at 2 1/2 - 3 turns. Also important with the SU's is the pistons must work freely and the air flow must be equal.
Old 02-27-2006 | 10:41 AM
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Thanks!!

Drop test on the carbs looks good. I'll re-set and give it a try.
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