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  • Cast Iron Big Block Heads - How much does one weigh.
    I weighed them last night on a digital bathroom scales heads with only valves and springs installed exactly #70 lbs each So we will estimate #75 to #80 lbs with cardboard packing
  • Cylinder head weight? Aluminum vs. Iron - Speed-Talk. com
    One of my customers was running a set of Pro Topline iron heads on his Big Chevy and a set of Dart Pro 1 heads was 85lbs lighter He felt that the engine didn't run as well as with the Topline heads but it did go a little quicker at the track
  • Cast iron heads vs. aluminum heads weight differance?
    Besides the 75 + lbs weight savings (alone worth the difference), the aluminum heads can usually be repaired in the event of a disaster, unlike iron, and allow higher compression ratios
  • ** Engine Weight Comparisons - Chevy Tri Five Forum
    This is comparison of nominal weights - a L78 vs a LS6 vs a L88 are going to have some minimal weight differences All variances (in parentheses) are from the iron small block
  • How to Source Chevy Big-Block Cylinder Heads - Chevy DIY
    Note that cast-iron heads weigh approximately 63 pounds each while aluminum versions average 27 to 31 pounds Intake-port volumes range from 290 to 327 cc depending on the casting
  • Engine Weights - TMeyer Inc
    395Lbs – 347 Circle track engine 440Lbs – 400 Ford long block, Iron heads 535Lbs – 351 Cleveland Ford circle track engine: 4V heads, iron intake 550Lbs – 400 Ford: Aussie heads, aluminum intake
  • Cylinder Head weight question - Chevy Nova Forum
    Everything I've read says you can expect around 40lbs of total savings swapping your iron heads for aluminums 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
  • #7---Choosing Heads: Aluminum vs. Iron (Which Ones Do You Need?)
    All "stock replacement" performance aluminum heads are designed to develop more power than the iron heads they are replacing However the gap between what was designed and what leaves the factory can be worlds apart
  • Big Block Weight Differences - For A Bodies Only Mopar Forum
    I doubt it will be as much as 70lb, more like 40-50 BBM heads are not as heavy as some BB heads, so there is less weight saving
  • Engine weight:
    I saved a little weight with the headers, intake, and water pump, maybe 40 lbs When the car is sorted out, and I find the bucks, I'll start hunting for Aluminum heads - which will shave another 40lbs





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