Parameter For setting Dizzy

Shift · Post by **Shift** » Thu Jul 13, 2006 8:07 am

Howdy, new here.

This will be on a 95 240sx (KA24DE). I already have the fuel portion of the system setup up. I have it setup to use the 4 point optical wheel inside the distributor. What are some safe default parameters that I can use in megatune so I don't screw anything up? What proceedure do I follow for inital setup (keep in mind, this isn't the 36:1 tooth setup)? I have fuel setup using a setup a friend sent me with the "tooth" settings.

EDIT: Using MSnS-E on V2.2 board

Post by **jsmcortina** » Thu Jul 13, 2006 9:25 am

Have you read
http://megasquirt.sourceforge.net/extra/setup-msns.html

James

Shift · Post by **Shift** » Thu Jul 13, 2006 9:47 am

jsmcortina wrote:Have you read
http://megasquirt.sourceforge.net/extra/setup-msns.html

James

defualt parameters for spark in megatune. are the "fixed trigger" and "trigger angle" the only things I need to mess with?

EDIT:Do the trailing edges need to be the same (not leading edge)? One of the "veins" is bigger tha the 3 others but leading edge is the same.

Post by **jsmcortina** » Thu Jul 13, 2006 10:00 am

The key things you need to work on are which edge you are triggering on and adjust the input wiring if needs be and then set your trigger angle.

Take your time to get it right.

With an optical dizzy you have the benefit of being able to rotate the engine by hand and measure the voltages to confirm which edge is triggering. It MUST be the regular one i.e. not on the shorter edge.

James