Period NORS Filko FO-100HD tan cap, same as Ford B7AZ-12106-A, Autolite/Motorcraft DH-146, very rare performance part that's been obsolete for many years. Don't know much about these except that they were originally used with transistorized ignition. IIRC Randy Gillis(RIP) was a fan of using them. $150 OBO which includes USA shipping.
Please PM or email if interested.
Thanks,
Dave
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Randy preferred those du to the better material.
Thanks John. This is also heavier, ~9oz, compared to a regular cap which is ~6oz.
All of those brass contacts compared to aluminum ones that a lot of caps have nowadays will contribute to that difference in weight.
Roy
Good point, I did use an NOS Motorcraft DH-6 cap with aluminum contacts for the comparison. The Filko cap actually has copper contacts except center post which is brass. I do have a few Filko FO-100 standard black caps (copper contacts) which weighed in at ~7oz.
Quote from: TA Coupe on June 07, 2026, 04:57:14 PMAll of those brass contacts compared to aluminum ones that a lot of caps have nowadays will contribute to that difference in weight.
Roy
Yes, the one Randy liked were made from Alkyd polymers also.
How do these compare to the early Accel?