James Saunders Posted January 30, 2002 Share Posted January 30, 2002 Would an older crossflow engined seven with carbs and vx with carbs have an ECU ?? trying to settle an argument ! I think they would because if a car has a rev limiter then thats ecu controlled isnt it ?? James CATERHAMWEBid=black> Link to comment Share on other sites More sharing options...
Chelspeed Posted January 30, 2002 Share Posted January 30, 2002 Crossflow with carbs generally don't, the ignition is controlled by the contact breakers (or electronic equivalent) within the dizzy. Timing curves is by bobweights and springs and the vacuum pot. Vauxhall engines, even with carbs, generally do have an ECU as they have no contact breakers in the dizzy, the ignition is triggered by a crank sensor via an ecu which does the timing variation. Rev limiters are built into the ecu if you have one. If not then you can buy bolt on rev limiters which watch the contact breakers and override them when you reach the limit. Link to comment Share on other sites More sharing options...
Casbar Posted January 30, 2002 Share Posted January 30, 2002 I have a xflow, with a rev limiter, but no ecu. The rev limiter runs off the coil ( soft cut). Link to comment Share on other sites More sharing options...
James Saunders Posted January 31, 2002 Author Share Posted January 31, 2002 Cheers Chaps.. James CATERHAMWEBid=black> Link to comment Share on other sites More sharing options...
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