1971 350 cast crank with lower timing gear still on crank's snout 54 lbs. More Power and Less Weight With an LS Swap Into Your Classic Chevy High Energy Weight Loss Program: We drop pounds and pick up power with an LS swap into a 1967 Chevelle Steven Rupp Nov 11, 2015 Available in 3.48″ to 4.125″ strokes, weigh 46 to 50 pounds. NOHOME UltimaDork 8/21/17 6:51 a.m. My research showed that the LS in alloy format was about 140 lb lighter than an old-school SBC… Targeted Chevy small block V8 535 (1) ('59 Corvette 283 w/alum. The price they gave was for the completely assembled engine, and the SBC cost more. Discussion Starter • #1 • Dec 16, 2010. what does a Lq4 6.0L engine weight, fully dressed? How much does a 85 Chevy 350 bare block weigh? :D I was just curious how much it weighed in comparison to the LS1. A plastic … Transmission weight, drained, without torque converter 37 lb, Torque converter weight, mostly drained Ford C6 ~171 3 … It had a 400 small block with cast iron heads and aluminum intake, since then I have put in a 454 all cast iron with aluminum intake. See our products below. The BBC blew the SBC away when they ran the car on the drag strip. A friend is being protested for being too fast. Click Here to Find Local Salvage Yards I weighed this myself on a digital scale. I have a 1970 Chevelle Malibu Cloned SS. I am a little surprised that an iron GenIII weighs less than an SBC given that the block weighs about as much as a Chrysler 440's, but I'll defer to your greater experience in this field. The SBC installed weighs 3035 lbs for 6.07 lb/hp, while the BBC weighs 3240 lbs for 5.4 lb/hp. Home Page. That is a 350 block with crank, rods, pistons, and cam. Well i have a few reasons. 2008 Chevy 3500HD 6.6L/6spd Allison Quad Cab Long Box 2004 Chevy Tahoe 5.3L/4L60E - Daily Beater Ride 2001 Chevy 2500HD 6.0L/4L80E Stage 2 rebuild Quad Cab Long Box A LSX iron race block weighs 225 lbs. Please click on a sponsored link when your done with our service. I have tried to find info on the internet but I have not found much of anything. A bare gen 1 small block weighs between 160-180 lbs depending on who you believe. 23 Posts . Also, Im doing a swap from a 96 3.8 to a LT1. I don't know if they know what they are doing or not, but they think he has a light crank in his round track 350. I built it and it is STOCK!! Why do you need to know the weight if you don't mind me asking? Now, put the engines into a car that weighs 2600 pounds less engine. I changed the entire front suspension to an LT1 suspension,but I have cast iron heads. Would you do us a favor? Hopefully someone with the correct answer will improve this answer, but a shortblock weighs 290. Ohio Crankshaft offers a wide array of crankshaft applications for Ford, Small Block, Big Block, and LS Chevrolet, Chrysler and Pontiac applications. An ecu and harness don't weigh much, but it all adds up. Your 75 350's crank will be the same I want to know the weight difference of a Fully Cast Iron Big Block vs. Small Block. An aluminum ls1,2,3,6 is about 125lbs, a ls7 weighs a bit more. ‘New’ Lightweight SBC CrankshaftsAn all new forging that moves the moment of inertia outwards, to make a lighter shaft with good harmonics. Was just curious how much does a 85 Chevy 350 bare block weigh on who you believe know weight! On who you believe shortblock weighs 290 cast iron Big block vs. small block I have tried to info. Front suspension to an LT1 suspension, but I have tried to Find on. The engines into a car that weighs 2600 pounds less engine the LS1 SBC installed weighs 3035 lbs 6.07... 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