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Thread: Fuel delivery system

  1. #16
    4,000 rpm - entering the fun zone Hyper's Avatar
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    Quote Originally Posted by mini_fd View Post
    That'll happen. I will double check to see if the part number is different from the msm to the nb2 or if the lady said the msm was different from the nb1. Either way would it hurt to replace it? I do have high miles

    to keep the fuel pressure high, is best to rewire the fuel pump as in the NB the alternator/PCM regulate the voltage of the fuel pump. I can send you a relay with 30amp fuse all ready to install with thick 10gauge wires along with instructions so you can bypass the OEM configuration and have a solid setup. It used to be on my fuel pump in order to prevent voltage drop from the Aeromotive A1000.

    shoot me an email if interested.

  2. #17
    4,000 rpm - entering the fun zone mini_fd's Avatar
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    Went to mazda, double check to make sure there wasn't any confusion and sure enough, the fpr is the same for the msm as the n/a. The only difference is the fuel pump that the msm uses. So I'm thinking the regulator has a high input rate for both models. Not sure we're to go on from here but to consider a return fuel line.

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