something not SR, lol and something cheap. the person that I am doing this with wants something different. this will be going into a 1989 240sx hatch back. that, and the E head will be a bolt on affair, just using Z20S timing accessories. I was just planning on running the E head to make sure everything was looking good before we slap on the DE head. I guess we can live with low compression for a while. If you want some Z22E rods, there are 2 200sx's in the yard where I go. plus I think I will have the head shaved. and if we use a KA24E flat top, on a Z22E rod, then it gives us a -1mm deck height, that, combined with the HUGE combustion chamber volume of the E head will suck for a compression ratio, lol! but, now with early KA24E pistons in a +1mm overbore, with the slight dome, it shouldnt be too bad. problem is that we are going to slap a KA24E head on it at first. You can always look into going with a slightly shorter rod, this opens up piston options a bit These use a smaller journal diameter as well. I am using custom 150mm rods with my 88mm stroke. Why not go with a z22e rod? It doesnt give as nice of rod/stroke ratio, but would allow your ka pistons to work out nicely (these rods are a bit rare tho, the 149.5mm). I also hear the z20e rods in particular are a bit weak, i have never inspected them personally tho. I can get the 152mm z20e rods if you need them, but i think you might want to try a different route so that you dont have to mill the piston tops. Nice find McAdam, i found another myself. this is just some info i thought i would add. These come in contact with valves in de if they are not flycut. The high compression ka24e pistons actually have a positive dome volume of around 2cc's. 020" lower than compression ht of piston). Most people think they are running higher than 11:1 compression ratio because the the ka24e pistons they are using "appear" to be flat top (there is acutally a ~2cc dish, roughly. It is impossible to run 11.7:1 compression in de without fly cut pistons. Basically this means detonation occurs at a higher compression ratio vs. Ka24de has a slight advantage of combustion chamber design (not just the extra valve) over the the ka24e. Modern Honda engines can run a higher compression ratio due mainly to their combustion chamber and head design.
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