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Need a HEI link

869 views 2 replies 3 participants last post by  BuickGuy 
#1 ·
looking for a diagram and or link to HEI conversion.. I have been told there are 2 ways to do it and most wire it incorrect and don;t get the full voltage at higher RPMs?
is that true?


Link and diagram would be helpful as I am trying to explain this to my someone else as well.

I have a sbc 305 that needs HEI

thanks
 
#3 ·
Don't forget the sparkplug gap increase. When I converted my 455, the old gap was .032, I changed it to .045 (per a friend), and it didn't run correctly until I got plugs for the same engine but three years later (when 455's were equipped with HEIs). That gap was .060; what a difference. Old plugs were R45TS, new ones were R45TSX.
 
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