Oil squirters lubricate small ends and cool underside of piston crowns. This reduces chances of det. In the case of small ends, they tend to fail through overheating of pistons so its a two fold win :-)
Im no expect on the stock Nissan manifold, bu im sure people on here regularly see 225hp and above without issue.
The log type is probably too big volume for response and torque for your setup
I will email my mate Stew and see what it made, seem to remember 220ish but could be wrong.
Could you not use a DET block as a basis? You get the piston squirters and crank brace as std. Use an ET oil pump sump your CA20 crank. Whats the piston size on your CA20?
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Racing is life. Everything else, before and after, is just waiting.
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