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ive got an RRM V1 pulley if you are still looking. its brand new in the box
ive got a V1 rrm pulley. brand new still in the box... not sure if 4b11 and 4b12 crank pullies are the same though
i agree to an extent. i do think a properly constructed IM will yield more than 2-3whp if combined with a BBTB on a boosted motor. more than just...
^^ that would be called an intake manifold