Erson Cam in my 409

5

55wagon

Member
I called Erson and they helped decode my cam for me (had to find his "old" catalogs- lol). Not much of a description just specs and it comes out to be, 296 dur. and 538 lift. How does this compare to the stock "special" cam in the 425hp?
 
J

JIMJAMES

Member
409 CAM

WHAT IS THE LOBE SEPARATION ON THIS CAM
A 1963 425 HP CAM LIFT INT .507 EXH. 519 DURATION AT 320 (GM) LOB SEPARTION AT 113
A 1964 425 HP CAM LIFT INT. .556 EXH. .556 DURATION AT 325 (GM) LOB SEPARTION AT 113
THIS INFO CAME FROM CHEVRLOET BY THE NUMBERS
MOST CAMS TODAY HAVE A 112 OR 110 LOBE SEPARATION
JIMJAMES:)
 
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