Rasp933 Posted May 14, 2018 Report Share Posted May 14, 2018 Hi. I recently bought this 73 datsun with everything original.has l18 with 4 speed. Today when I was cleaning the carburetor ..I noticed that when I press full throttle ..only the right bore opens leaving the left bore completely shut.I tried few more times and it's the same.all these is done with engine off tho. Is that normal or this carburetor need rebuilding?? It's original carburetor Quote Link to comment
Doctor510 Posted May 15, 2018 Report Share Posted May 15, 2018 If it's a stock carb, that is normal for a non running motor, the secondary is VACUUM ACTIVATED 1 Quote Link to comment
datzenmike Posted May 15, 2018 Report Share Posted May 15, 2018 Normal. When the engine reaches a point where more carb is needed the secondary is pulled open by a vacuum signal. It's all automatic. 1 Quote Link to comment
Rasp933 Posted May 15, 2018 Author Report Share Posted May 15, 2018 Lol .I was going to get it rebuilt. Quote Link to comment
Rasp933 Posted May 15, 2018 Author Report Share Posted May 15, 2018 Kool.Thanks Quote Link to comment
banzai510(hainz) Posted May 15, 2018 Report Share Posted May 15, 2018 dont be changing shit if not needed sounds like your new to Datsuns. Most owners will kill these cars by making changes not needed. Different ignition Coils ect...... 2 Quote Link to comment
Rasp933 Posted May 15, 2018 Author Report Share Posted May 15, 2018 dont be changing shit if not needed sounds like your new to Datsuns. Most owners will kill these cars by making changes not needed. Different ignition Coils ect...... 1 Quote Link to comment
nl320what Posted May 30, 2018 Report Share Posted May 30, 2018 I have learned with my old cars, especially VW-Porsche classics, the grease keeps them together! lol Cleaning them disturbs the natural healthy coating :) 1 Quote Link to comment
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