Posted by Cliffton D on January 15, 2015 at 20:11:58 from (174.239.32.107):
In Reply to: C123 build posted by Cliffton D on January 15, 2015 at 10:42:46:
Seth..very useful information and thank you. I have spent a lot of time thinking as I've started overlooking this tractor. I agree that the head and cam is a good place to start. The more fuel and air you deliver can go miles over sheer bore diameter in my thoughts.(though that extra bore could surely help;) You mentioned gm valves. This is my grey area. I haven't built a motor that wasn't stock so finding sizes that work...the according guide...and seat combination and a machinist that can accomplish this...is where a lot of my curiosity lies. I would like I said want to stick with something that appears stock to really turn heads.... The crank is another good spot to look at. In my mind instead of taking a crank and stroking it, and splitting your connecting rods to match, could you take a set of rods and a crank out of a 504 gasser (c153) and install them in a c123? The wrist pin placement is something I'm concerned about in that senario. Maybe there placement in a standard 3.250 step head is tolerable or could be fixed with a little milling..?..Im sure a set of custom pistons at that point would offset the cost of stroking a crank. I do a lot of thinking out loud on here if you haven't noticed. My hope is that someone has done something similar or has an opinion on how I could go about this if it hasn't been done before. I'm not trying to be cheap. Just trying to avoid throwing money in a pit. I'm sure there are ways to cut a little cost and still build a little animal:) thanks in advance!
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