240260280z

Looks fine.

If your car is running clean plugs but you worry about detonation due to higher ambiant temperature, turbo boost or higher compression, you can try a colder plug (ZFR7F). Just make sure it does not foul up due to black deposits.

I would suggest finding an alternative or getting a metal shop to fabricate then weld on. Maybe an exhaust tube and sheet metal disc will do the trick for materials. Here is a photo of what you need:

Works fine

Ahh the wonderful elves that put everything right when we are all asleep strike again Thanks!

I would like to edit and correct it but the forum is locked after 1 hour so the error is trapped. I bet a mod will fix it though.

1977 280z with 280zx distributor installed. When engine is at TDC, the distributor has already swept past the #1 spark post. At TDC note the angle of the spindle tang that engages the distributor.

BRE_Z_Mods.pdf