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Thanks Bob.

I know way more about engineering than I do about Hemi's so I thought I would build a plate like the one above for finding TDC & holding my dial indicator to degree the cam & measuring 1" down piston volumes (through hollow centre bolt)

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Kevin,
Your thought and theory both have merit,but with the Hemi and dome pistons you want to be able to accurately define TDC by a positive stop that won't flex nor damage a piston by a small point load.And be able to observe the piston.I usually use a piece of 1/2 steel fixed above the piston with one or more head bolts.One inch down piston volumes need to be measured with a clear plate such as plexiglass or similar to insure no air pockets are present.Your dial indicator should be mounted similar to your TDC stop with one or more head bolts.We use an old hydrulic lifter with the guts removed and a aluminium dowel epoxyed into it reaching above the deck to align the dial indicator and for good visibilty.My best advice as I have suggested in other post is use the KISS method and don't over think things,but as you stated your an engineer.Good luck

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Thanks again Bob

Like I said I am a Hemi newbie, I don't know the tricks you guys use & there is no-one I can ask in my part of the world , I saw the plate on ebay before the seller pulled it & I thought it had merit, thanks for your more simple suggestions.

I just realised I will be in your area when I visit the US in June/July next year, maybe I should call in.

I'm trying to get to the NHRA meet at Summit Norwalk for the 4th July weekend, will you be racing there?

Thanks

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Kevin,we have not finalized our race schudle yet.I will let you know when we do.Contact me when you get near here and we will hook up.You are certainly welcome to visit BGR an experience some South Western Pa,hospitality.