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[QUOTE]Originally posted by 93PONY: [QB] Good luck finding an OTS reverse-split cam! LOL AFR headed combo's need to limit he amount of exhaust flow or they'll get reversion. This kills low-end power. Aside from that, you can only get so much overlap in a cam before it won't pass the sniffer. This # in CA is typically 1 degree of overlap at .050 lift. The X303 is 1 degree shy of this 'limit'. Behond that power is gained from proper valve timing & ramp-rate. The X, when installed correctly, has some pretty good timing events for certain setups (this being one of them). The ramp-rate on the X is not an XE lobe, but it's certainly FAR better then an E303 & most other off-shelf smogable cams like the TFS 1. Slap on some 1.7 rockers on the X & now the valve action at he heads rivals some of the XE line. I'll say it again, the X303 is the best bang-for-the-buck smogable camshaft....especially for this combination. Oh...& I have a few combos that Desktop dyno won't know what to do with! LOL There is nothing in those programs that compensates correctly for ramp-rate. From stock to solid roller there is a whole host of different lobes profiles that perform drastically different given the same size at .006. Simply too many variables & desktop dyno does not have enough inputs to predict all of them accurately. [/QB][/QUOTE]
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