T Ted registered Mar 19, 2010 #1 Can anyone tell me or look up the cam specs on an HP500 carb motor please. Just need lift and duration if possible. Is it the same as the EFI HP500?
Can anyone tell me or look up the cam specs on an HP500 carb motor please. Just need lift and duration if possible. Is it the same as the EFI HP500?
VetteLT193 New member Mar 19, 2010 #2 the carb and efi are not the same. HP500 Carb: http://www.cranecams.com/index.php?show=browseParts&action=partSpec&partNumber=169611&lvl=2&prt=5 and for future reference, EFI: http://www.cranecams.com/index.php?show=browseParts&action=partSpec&partNumber=169621&lvl=2&prt=5
the carb and efi are not the same. HP500 Carb: http://www.cranecams.com/index.php?show=browseParts&action=partSpec&partNumber=169611&lvl=2&prt=5 and for future reference, EFI: http://www.cranecams.com/index.php?show=browseParts&action=partSpec&partNumber=169621&lvl=2&prt=5
T Ted registered Mar 19, 2010 #3 That's odd, the Merc Manual lists the EFI cam as .342 lobe lift both intake and exhaust.
Master Wrench Charter Member Mar 20, 2010 #4 From my Mercury Hi-Performance manual... Duration at .050 In. (1.27 mm) Cam Lift Lobe Lift + .002 (0.051) HP 500 .339” (8.61) .352” (8.94) 284° 292° 502 CID (8.2 Litre)
From my Mercury Hi-Performance manual... Duration at .050 In. (1.27 mm) Cam Lift Lobe Lift + .002 (0.051) HP 500 .339” (8.61) .352” (8.94) 284° 292° 502 CID (8.2 Litre)
RMBuilder SO Tech Expert Mar 20, 2010 #5 Ted, Here is our card on the HP 500. Bob Attachments 500_HP.jpg 60.2 KB · Views: 49