I equipped my 57 GMC (with from the factory 347" Pontiac V8) with a junkyard HEI from a '77 400 Pontiac. I've seen HEI caps at car shows that have the connections re-routed internally so that the plug wire connections point directly at the plugs, eliminating the "can of worms" effect near the distributor.
Some have referred to these as "crossfire" caps, but my Google searching for "crossfire HEI cap" has yielded nothing but specs for regular caps.
Three questions:
1. Does anyone know the correct name for these caps? Maybe the manufacturer's name?
2. Does a Chebbie HEI cap interchange with a '77 Pontiac HEI cap?
3. This engine is NEVER spun over 4000 RPM. Anyone heard of any problems with these caps in daily driver use?
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My Pontiac is a '57 GMC with its original 347" Pontiac V8 and dual-range Hydra-Matic.
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