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Thanks Brandon, and a VERY Merry Christmas to you and yours.

Out of curiosity--what was to be the weight savings over a factory iron block?

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Thanks and same to you!

There is no weight savings over a factory block. Most factory blocks weigh about 230 lbs, while most aftermarket iron blocks weigh in the high 200's to low 300's. The extra iron is a tradeoff for the extra strength (meat) in the block.

Aluminum blocks, of course, are a different story.

And not to plug our business, but just in case anyone is in need, we stock about 30 fully machined and ready to assemble factory engine blocks at any one time. They're all 100% done in the USA on Sunnen equipment. Honed with torque plates, line honed with ARP main studs, etc, etc. They're all 400's & 440's, most with factory main caps, a few have our billet main caps already installed. They're about 1/3 the cost of an aftermarket block, and with our girdle setup, we've made over 900hp with them. And, they're ready to ship asap. They get tanked, magged and baked, so they look about as close to brand new as you can get with a factory block. Just another option out there.