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Originally Posted by tonkota
Jim, just out of curiosity, what cams have you run now or in the past?
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Only the Toyota OEM, aftermarket billet and MAF RV grind.
The toyota cams are way weak, w/ only the thinnest of surface hardening.
The RV was tried in a very strong 2F that already had been punched 1mm, milled, big valves, big 1975 carb, non-US dissy, headers, FJ45 flywheel & clutch... Swapping in the RV cam made a noisier valvetrain, but no noticeable improvement in power or economy. It ended up coming back out and reinstalling the customer's old/new OEM cam.
Been using the USA billet stock replacement with excellent results. Melling MC803 or SealedPower CS803.
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If the profiles of the 2F and the 3F-E cam are the same, but the 3F-E cam is advanced 5*, why does Toyota carry only one camshaft? Which one is it? Does 5* make that much of a difference to matter?
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They carry one number because it is cheaper to carry one number.
The current cam is the 3FE cam, but it is backward compatible w/ all F-series engines.
It doesn't matter to toyota. I don't know if it matters to you.
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I'm going with the Delta Camshaft cam. I'm anxious to feel the difference it makes in the 2F-E.
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Sounds like a good choice.
