nikki carb model year
#1
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nikki carb model year
Can anyone tell me if a Nikki carb from a 1984/5 car is the same as a 1979, what year did Mazda change the 12a engine?
Basically i want to change the carb on my '79 rx and they were only available in the Uk from '84 so finding a carb for a '79 would be pretty hard.
Would the Edelbrock 500 be any use as a replacement and if so what mods are needed to fit it?
Basically i want to change the carb on my '79 rx and they were only available in the Uk from '84 so finding a carb for a '79 would be pretty hard.
Would the Edelbrock 500 be any use as a replacement and if so what mods are needed to fit it?
#2
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There are a large number of alternate builds of the Nikki; even within a single model year there have been several different buildouts.
Example; 1980 model year saw 6 distinct builds; California, Federal, and Canadian Manual Trans builds, and California, Federal, and Canadian Auto Trans builds. The differences included different jetting, different vacuum porting, and the inclusion on the Cali models of a richer system. Those are north-american builds - - I don't know if the Euro builds were different or not.
Year-to-year, the variations were even greater, most but not all revolving around emissions equipment. At some point, I know the size of the barrels changed sigificantly, too.
This doesn't mean that you can't make a later-model carb work on an earlier engine, but you'll have more work to do to get it right.
Example; 1980 model year saw 6 distinct builds; California, Federal, and Canadian Manual Trans builds, and California, Federal, and Canadian Auto Trans builds. The differences included different jetting, different vacuum porting, and the inclusion on the Cali models of a richer system. Those are north-american builds - - I don't know if the Euro builds were different or not.
Year-to-year, the variations were even greater, most but not all revolving around emissions equipment. At some point, I know the size of the barrels changed sigificantly, too.
This doesn't mean that you can't make a later-model carb work on an earlier engine, but you'll have more work to do to get it right.
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