View Full Version : 12A Timing
tom_sprecher
04-22-2008, 01:13 PM
I know this sounds bad but I do not have a clue about setting the timing on my RX7. It has an oversized crank pulley presumably from MazdaSpeed (maybe has 6-8 1/4"? holes drilled in the face if that tells you anything) that has 4 hash marks milled on it.
Anybody have the same setup? What do the marks represent? What should the timing be? Which plug wire to I use to fire the timing light?
lateapex911
04-22-2008, 01:45 PM
Tom, My car comes out of the trailer tomorrow, and I will answer all if nobody beats me to it.
tom_sprecher
04-23-2008, 09:46 AM
Here's what the pulley and marks look like.
ddewhurst
04-23-2008, 12:43 PM
Tom, google Yaw power for everything you need to know about marking the pulleys correctly (any pulley) & setting the timing.
TroyM857
04-23-2008, 01:15 PM
It looks like a Racing Beat aluminum pulley. If it is then the marks should be as follows starting from the mark farthest away from the pointer: 10 deg ATDC, TDC (0 deg), 10 deg BTDC, and 20 deg BTDC.
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