05-29-2008, 02:06 PM
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CC Member
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Join Date: Feb 2006
Location: Gore. New Zealand.,
SI
Cobra Make, Engine: DIY Coupe, F/T ,MkIV.
Posts: 808
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You have a one piece eccentric--you have been supplied with a cam equipped with a short dowel that is intended for a two piece eccentric ( tang type ).
Remove that dowel--usually a large set of side cutter pliers will suffice, using the gear spigot of the cam for leverage.
Buy & fit the correct (longer) dowel.
Clean the gear retaining bolt threads along with those in the cam ( check the length of that bolt to ensure it is not to long along with the correct thread--- some later cams use a 7/16 thread rather than 3/8 IIRC.
The single piece eccentric also uses a thick washer that prevents the dowel moving forward once all fitted up. A drop of loctite on the bolt thread when finally fitted & torqued to 36 ft/lb is good insurance.
The gear set for a two piece eccentric usually has a raised lip in center that allows the outer ring to turn freely once fitted.
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Jac Mac
Last edited by Jac Mac; 05-29-2008 at 02:10 PM..
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