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The bushings come in 0,2,4,6,8 negative and positive settings, Lunati part#81015

Really!!! That thing could screw and engine up really bad. I had no clue why or what it was doing there. The same bushing is in two other 7M blocks I have. Thanks for the info IJ.

With this long stroke we need to look at some problems we may face. One major one being, torsional vibration. I'm not really clear on this yet. But we are looking into a functional damper to address this http://www.atiperformanceproducts.com/products/dampers/damperparts/ Use the drop down window...

Here is a break down of a Dry sump vs Wet sump, for some of the new guys who may know what it is but not really. (I got this out of Canton Racing Products Catalog) "In a nutshell, the difference between a wet sump system and a dry sump system is where the oil is stored. In a wet sump system...

A word of caution to anyone doing a complete rebuild. If you get your block "hot tanked", there are two things to look out for. The bushing that the oil pump shaft sits in can be pushed out with ease. Also, what this one is I have no clue. Directly inline with the vent tube driverside front near...

My error the bore is 85mm not 86mm looking at the SF thread I realized my mistake. We could take the bore too 86mm but Daryle did not see the need.

Posted this in SF. The final bore is 85mm, we were looking for 84.5. But there isn't a large ring selection for the specs we want. In going to this bore somethings have changed. The half point in bore size along with a 4cc dome puts the compression at 15.01 (actually 14.94). Displacement 3.458...

Thanks man we will make it. I wanted to make sure we hit the goal. So we started the build around 14:5 compression. Once we pluged everything in we could not find a set of rings with the specs we wanted. So insted of the ultra safe 84mm bore we went to 85mm. Which jumped the compression up to 15:1.

Custom piston from Diamond Racing. They have a 4cc dome, gas ported, short skirt. We had to send the head and the head gasket to them to make the pistons. They used the head too digitize the combustion chamber into the CNC. They need the head gasket to get the center line and some other specs...

I did a cam gear mod a long time ago. The basic kit is for a V8 Chevy, it is really simple to do. The adjustment is made with off set bushings. We drilled the cam dowl pin hole to the same size as a V8 Chevy. Then drilled the center hole in the gear to fit the bushing. All of a 30min job ;)...

Here are some crank pics. http://www.villagephotos.com/pubbrowse.asp?folder_id=974236 Block clearancing for the crank. http://www.villagephotos.com/pubbrowse.asp?folder_id=1011179 The crank scrapper. http://www.villagephotos.com/pubbrowse.asp?folder_id=997438 Hacked oil pump drive..wont...