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Bosch injector differences. 140-160

the b21 injectors are longer. not sure about the flow rate. i would not think that the flow rate of the injectors would would be a limiting factor. as on the b21ft the limiting factor is the fuel distributer. the b20 fuel distributer has been replaced with the b21 in the parts book , if i remember right. with th big bore b20 ,just try raising the fuel pressure some, and re adjust the o2. did fine on my 2130cc b20. best of luck






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