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WFE
11-09-2003 17:02:02
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Re: Building a 310 Walkausha in reply to Brad, 11-08-2003 20:12:44
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Contemplating building one myself just for pulling in the near future. 150hp stock is pretty attainable with no mod parts. If you're after more, as I will be, then I think we'll need 3 things: more fuel, more air, and more speed. 2300 is pretty slow for a properly built 310; for pulling you'll probably want to swing around or slightly over 3000 rpm. If there's a 10% rpm over limit, then you can go a tad over 2900 with this motor's published high no load speed. They had better not limit you with your 310 to 2300 rpm, or you'll be at a big disadvantage. If a slightly bigger turbo is permitted, it would help also. Shouldn't be hard to plumb that in. A pump shop can modify the pump for you, but that'll do no good without bigger nozzles in the head. I've heard of guys using nozzles out of a 466 IH and boring the head to fit them. Unfortunately with the 310, I don't know that there's a whole lot of room to bore and stroke it; there's just barely enough room for the stock crank to swing in the case, and the sleeves are not overly thick, but there might be some bore to gain. I am thinking the bottom end would have to be stiffened up to handle much over 150-160hp, with a stiffener between the case and oil pan, hardened or custom rods and caps, and more oil capacity if overfueling it like we're talking. Some possible ideas. Best of luck with the project, and if you get into it, please share your findings!!
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