View single post by Greg Fletcher
 Posted: 08-10-2005 04:02 pm
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Greg Fletcher



Joined: 03-11-2005
Location: Lake Nacimiento, California USA
Posts: 430
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 I think Kurt Housh/Judson Manning may have posted this on the old message board:


Stock JH cam (sometimes called 'C' cam):
~.340" lift & ~272^ duration, ~224^ with 0.050" lift. MOP 115^ for early engines, 110^ for later ones, and IN105/EX110 for the last, smogged, engines.

Lotus 'D' cam (Lotus only, but rumored to have been in a couple of 1975 UK JHs. 1 groove on nose end):
~.350" lift & ~270^ duration, unknown at 0.050". MOP typically 110^.

Lotus 'E' cam (Lotus only. 2 grooves on nose end):
~.344" lift & ~260^ duration, unknown at 0.050". MOP typically 102.5^.

Lotus 104 cam (Lotus only. 444 on nose end):
~.420" lift & 272^-280^ duration, unknown at 0.050". MOP typically 104^.

Lotus 107 cam (Lotus only. 777 on nose end):
~.388" lift & 252^ duration, ~224^ with 0.050" lift. MOP typically 104^.