 Well, after a long search, this is the block I chose to build up my old farmall H. Clean aint it??? Im still wrestling the 4 remaining head studs that do not want to part company just yet,, Before I have the block bored, Im gonna do the clearence work for the stroker assembly, bore it to within a few thousandths, hard block it, and finish the bores up from there. The water jackets have been cleaned out, No flake rust anywhere to be seen,,, but there is always the chance of a pin hole at the bottom of the bore,,,, So with the hard block not installed yet, it makes easier repair for a sleeve if that case was to happen. Taking H blocks out to the limit, (3-13/16 bore) can be done without sleeved repairs, but it takes a really good block. At this bore, Im still able to use a IH 350 head gasket and not have any worries. Ive always used a copper gasket on this type of engine, and I felt that the block deck is not strong enough to withstand the added stress that running a copper gasket goes with. Over time, heads and blocks flex and with the copper gasket as tight as it was, it leads to stress cracks at the water ports of the block to the bore,,, a big problem for blocks that have sleeves pressed in,,, theres nothing left to help hold the block deck together around the sleeves. Less prone to crack with still running the on the original block. its all still one piece,,, so less chance of block deck flex when tightning the head bolts down. I had built a simular block last year,,, put it in another H,, and held very well, so Im confident that this block will as reliable and hold water!! I made up a new set of rods, with this rod style, I wont have to cut nowhere near as much out of the block as I once had to years ago to clear the stroke. The head is a toss up still,,, I still have the milled, ported 8043DC head I ran for years,,, but Ive got 2 other cyl heads Im thinking of,,, a 350 head, and a kerosine head. This engine is capable of making 285 psi at cranking speed,,, thats even with a cam with a large overlap!! So im gonna see what lower compression will do as well. I have 2 cams Im going to test out,,, one will be a stock 350 cam, and another is from a very experienced Ih builder, which, when I bought it all those years ago when they were available, has been the best Ive seen. The reason being for 2 cams is to try to tune in the changes from the low compression head,,,, I cant wait to see the dyno results. So,,, not too far off till I get my 40 H back on its wheels and ready to run. New years resolutions I mentioned before a while back,,,, So if you got a H,,, Ill keep up info on what I am doing with it, For some reason i have chosen to record this engine's build up. Maybe its for my memory,,, LOL,, or maybe,, just maybe,, this H will be the one to beat at a pull near YOU! ChadS
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