Originally Posted by Betta Carotene
Does anyone got any pictures of this? Im understanding what you are saying but a visual would be better.
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I'm working on taking pics of all the options. Redrilled stock gear, offset-bushing modified stock gear, Kent adjustable gear (shown here
http://www.opelgt.com/forums/showpos...8&postcount=19 ), Piper adjustable gear, and TG Motor adjustable gear (I don't own one but can get a pic). All of them have their ups/downs, but they are capable of returning the cam timing to stock if excess material is milled from the head and/or block. When the milling gets
very heavy it's a good idea to shim out the hydraulic tensioner or your timing chain will have too much slack as well. Like this:
http://www.opelgt.com/forums/showpos...8&postcount=48 and this
http://www.opelgt.com/forums/showpos...9&postcount=49
I have used these methods and it worked perfectly on a circle track Opel that had .015" milled from the block and .105" milled from the head. That's almost 1/8"!