I don't know how much an aluminum water pump saves, but I would think an aluminum intake saves probably 25 lbs? What is the weight diff? Everything I've read says you can expect around 40lbs of total savings swapping your iron heads for aluminums. We design, manufacture, and distribute over 900 unique, top-quality automotive performance products, including: intake manifolds, valve covers, and cylinder heads. The issue was that the small-block Chevy was designed to be cast iron, not aluminum. the all aluminum big block would be a bit lighter in weight aluminum heads and an aluminum block on the big block reduce the total weight over its all iron clone about 140lbs an all iron big block weights about 110 lbs more at about 685 lbs than an all iron sbc at about 575lbs you can save a few more lbs with a aluminum … Seems like a BB can be brought down to almost the weight … Aluminum Blocks: Chyrsler 440W • BMP BBC • 54902 RHS LS Bare Race • 54907U RHS LS Solid AL • 54908U RHS LS Solid AL • SBC Brodix 410 Sprint • SBC Brodix 400/4.125 Bore • SBC Brodix 350/4.125 Bore • SBC Brodix 400/4.00 Bore • SBC Brodix 350/1.00 Bore. Aluminum heads save about 60 lbs, that brings the BB down to 625, a 50 lb. You can save almost 200 lbs by using a 302 based motor, Levy super duty T5 and al. Working with leading engine builders, Dart incorporated features that make the Dart block the best choice for an all-out competition engine. What's the weight of a Small Block Chevy and Big Block Chevy? difference. Can somebody please tell me the exact weight of a factory 350 with cast iron heads and intake? Chevy 400 SB 470 (235) aluminum heads and intake, no acc. Part Number: TFS-30400222 Add the savings off an aluminum intake, and move the batter to the trunk, and you're well on your way to a 50/50 balance front to rear. The weight-saving advantages of aluminum heads versus cast iron are obvious and widely accepted—especially in drag racing, where weight high up in the front of the car is especially undesirable. Each Offenhauser casting is made from an … or wp Chevy 396 BB 610 (235) iron heads, alum. OK, so a SB weighs 575 lbs, a BB is 685, about 110 lbs.difference. With pressed in dry sleeves, the Dart aluminum small-block … “Cast iron has been used for making cylinder heads since the early days of the internal combustion engine,” noted Jack … Every Offenhauser part is made from the highest quality alloys available at Bell Foundry in South Gate, California. Aluminum intake will work with all Vortec cylinder heads, including P/N 12558060, P/N 19300956, P/N 19300955, P/N 19331470, or P/N 19331472 Also accepts EGR NOTE: The exhaust manifold from 1996-and-newer pickup trucks with RPO L31 350 engine, P/N 12557828, is drilled and tapped to accept an EGR tube. bell housing with a kevlar blanket - instead of a 351 based motor, TKO500 and Meclod scatter shield. wp and intake, no … Ignition: Distributors & Starters I was giving you some examples on where weight savings can be other than an aluminum block motor. Intake Manifold, StreetBurner®, Aluminum, Dual-Plane, Open Air Design, Square Bore Flange, Small Chevy, Each. Dart applied their years of experience in manufacturing aluminum cylinder heads to create the ultimate aluminum small-block. While the aluminum 377 was struggling, work began to replace it with the W-Series 348/407/427 truck engine. It's the original engine that's still in my '69 Malibu.