Need Help Timing a 1926 Model T Ford with Rajo Head

[Dave Masa]

I need help timing a 1926 Ford model T with a Rajo overhead valve head and a Bosch distributor. I'm wondering if it's timed fully advanced or retarded? If it is at one extreme, Is the piston on cylinder 1 at TDC or slightly before or after? If not at TDC, how many thou should it be?

The compression ratio of the Rajo head is higher than stock and am concerned that this may be a factor as well.

Any help would be GREATLY appreciated.

Thanks

Dave