datsunlover Posted July 5, 2004 Share Posted July 5, 2004 Ok, I'v got the car running ok, but I think it still needs fine tuning. BTW, it's a 75 280z with 72' SU's carbs. I can't find any vac leaks, and both carbs seam to be set quite close (the engine runs pretty smooth, idles about 900 rpm) BUT: After warm up, it has a bit of a bog as I rev it up.. then after it cleans up itwill climb to redline no prob.. but when I let off the gas, it drops down to about 4-500 rpm and wants to stall. Usually, it catches and picks up again, but sometimes it needs some input from the throttle. I have to check the timing (I think it's a bit too advanced) but want to know if anyone has has this prob.. It's running pretty rich too (burning my eyes in my garage!) but if I try to lean out the carbs, it sputters and runs worse! Anyone? Quote Link to comment Share on other sites More sharing options...
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