Whats better for Dragracing Crank Trigger or Distribution with MSD
I will build a Hestec Motormanagment |
crank trigger is more accurate, distributor timing changes with the end play of the gears
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Hall effect on a crank trigger. VR sensors tend to be finicky with a few of the well known aftermarket ECUs.
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Who makes a crank trigger?
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A simple crank trigger is easy to build. If you run the stock FD controller the toothed wheel behind the front pulley is the crank tigger.
I used Chrysler pick ups turned inside out and rebuilt with brass screws from the hobby shop. Steel screws short out the magnet and nothing works. Just a steel screw head passing by the biased pick up will trigger a stock Chrysler (Dodge/Plymouth) amplifier, and they sell for about $20.00. or, an MSD or Hifire or most systems. The pickups are about $7.00 One clever system is just one reluctor (screw head) on the pulley and 2 pickups 180 degrees apart. One pick up to trigger an MSD to fire an MSD double ended coil for the front housing and the other for the rear housing. Timing is rock solid. Timing mark does not move. The engine looks just like it is not running. Nothing else even comes close. About 2 HP at the top. Not for turbo engines that need a computer to pull out timing under load. Lynn E.Hanover |
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