Thread: Give me some input for my wacky idea please.

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I just weighed bbc iron head at 63 lbs and 392 head at 69 lbs---I'm pretty sure hemi 392 block is lighter than the bbc altho I can't find my notes on block weights--crankshafts pretty much with 2 or 3 lbs and if your talking 454 bbc the dampner/flywheel are much heavier---rods will be within a few ozs, hemi pistons are a little beefy because of the top for the hemi head but the bbc is heavier by a few grams as it has a big dome also. You can put aluminum manifolds on any of them , dist and oil pumps will pretty much be a trade off and the hemi rocker shaft assy will be heavier than the individual stamped rockers ----

Originally Posted by jerry clayton

I just weighed bbc iron head at 63 lbs and 392 head at 69 lbs---I'm pretty sure hemi 392 block is lighter than the bbc altho I can't find my notes on block weights--crankshafts pretty much with 2 or 3 lbs and if your talking 454 bbc the dampner/flywheel are much heavier---rods will be within a few ozs, hemi pistons are a little beefy because of the top for the hemi head but the bbc is heavier by a few grams as it has a big dome also. You can put aluminum manifolds on any of them , dist and oil pumps will pretty much be a trade off and the hemi rocker shaft assy will be heavier than the individual stamped rockers ----

I weighed my 354 and with out alternator, a/c comp, or ps pump, my scale said it was 745lbs. A 24v cummins I just built with ps pump/vac pump, turbo and exhaust manifold was 1080. I'm sure a lot of the weight on the hemi has to do with all the cast on the front of it. The water pump and cross over have got to be about 60lbs by them selves. LOL