This old song and dance AGAIN....
Putting carbs on a STOCK engine is like wrestling with a pig....waste of time and annoys the pig.....it's a sign that someone was too lazy or ignorant of the FI system.
Crappy gass mileage and reduces the value of the car. Carbs with a stock cam and/or displacement will NOT increase performance.
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Putting carbs on a PROPERLY done, cammed, big bore motor is OK if you can not afford a modern FI system. The stock D-Jet FI can be modified to work with cammed and stroked/bored motors but it takes more than a few brain cells.....