Gold Lifetime Member
Join Date: Aug 2013
Location: San Antonio, TX
Re: Better to install a big block with out w/o distributor in place?
If you want HEI and don't have room for a big cap, you essentially have two options - have a points distributor converted by Dave's small body HEIs or buy the GM Tri-power distributor from Davis Unified Ignition. I did the latter because Dave's has a reputation for stellar work but less-than-stellar timeliness and communication, and I was on a tight timetable. Granted I have a small-block, but same setup. It runs markedly better than with points, no regrets. Plus, if the module dies on the side of the road (unlikely as they're pretty reliable) it'll work with any standard parts store 4-pin HEI module.
Both options are pricier than just running a large-body HEI out of a junkyard, but that wasn't an option since I don't like the idea of dimpling the firewall. Clearly many other electronic ignition options out there, but this is it for GM HEI setups.
1967 RS driver with a 327/210... but now with an M20, HEI, AAW harness w/ halogens and relays, Dakota Digital, Moto-Lita, TMI interior, and a few other toys