Once you start modding your heads for more lift and get a camshaft to match it that is a little more aggressive and all the other parts that can put more stress on that gear- like a high volume oil pump- it will want to jump off that cam more and more. If you have a pretty street rod, with stock Vortec heads and a mild cam ( I'm using one used in ht383 and ramjet 350) I melonized steel will do fine. I think you have to take comp cams advice with some skepticism, because they are also trying to up sell you on parts.
I called my engine shop, total engine service, and they recommend melonized steel.
Probably have to take your pan out and clean out the lower part of your engine, but you don't destroy your cam. You destroy gear, but you din't have to sink money into a cam. Brass and composite are more used in race applications where they are supposed to self sacrifice if something doesn't sync up right. Here is what I have learned thus far about the dizzy gears-įrom the naked eye- the two look the same.
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