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-   -   Ignition Timing (https://www.miataturbo.net/megasquirt-18/ignition-timing-5293/)

richyvrlimited 10-24-2006 03:15 PM

Ignition Timing
 
A thought just occoured to me, does MS need to know what base timing my car is at?

when I first got the car myself and a friend set the base timing to 16btdc. looking in the spark settings I've just copied everyone elses settings and type 10deg. Should that be set to 16?

thanks!

kyle242gt 10-24-2006 03:41 PM

Use a timing light and adjust the trigger or trim angle in Megatune to get the actual timing to agree to what MS thinks.

You definitely don't want MS thinking the car is at 10 when it's actually at 16.

richyvrlimited 10-24-2006 04:06 PM


Originally Posted by kyle242gt (Post 52327)
Use a timing light and adjust the trigger or trim angle in Megatune to get the actual timing to agree to what MS thinks.

You definitely don't want MS thinking the car is at 10 when it's actually at 16.

I can't get hold of a timing light till this w/e possible next, I know for a fact my car is at 16btdc, so where should I tell MS that?

Al Hounos 10-24-2006 05:05 PM

Yep, you must wait until you get a timing light till you hook up spark.

kyle242gt 10-24-2006 05:16 PM


Originally Posted by richyvrlimited (Post 52338)
I know for a fact my car is at 16btdc

:rly:
You might know that now, but as soon as you hand off ignition to MS, all bets are off. The last thing you want to take a chance on is timing.

richyvrlimited 10-24-2006 06:20 PM


Originally Posted by Al Hounos (Post 52354)
Yep, you must wait until you get a timing light till you hook up spark.


err spark is hooked up and has been for almost a month?!?

richyvrlimited 10-24-2006 06:22 PM


Originally Posted by kyle242gt (Post 52358)
:rly:
You might know that now, but as soon as you hand off ignition to MS, all bets are off. The last thing you want to take a chance on is timing.

yeah definately, prior to the MS it was set at 16. with the MS i've no idea is it's at 16 or a bastardised version between 16 and 10.

the car runs pretty good, but I've a feeling it'll run better now I know MS needs to know the base timing ;) I'm n/a at the moment to weird timing isn't absolutly fatal ;) :D


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