General engine tech -- Drag Racing to Circle Track Show
Moderator: Team user-612937456 L33 weight ?Does anyone know how much an all aluminum engine weigh as opposed to a cast iron 5.3 or 4.8? I have done sporadic searches the last few days with no success.
3pedalsMember  Re: L33 weight ?Post by 3pedals » Tue Oct 04, 2011 6:28 pm Aluminum LS block is supposed to be about 90-100lbs lighter than the iron LS block
drzMember Re: L33 weight ?Post by drz » Tue Oct 04, 2011 7:46 pm By our shipping scale at the shop, from memory: aluminum 5.7 LS6 with main caps: 82lb L33 has similar sleeve OD and block features as the LS6, but the L33 sleeves are .060 thicker to produce the smaller bore, so add a few pounds versus the LS6. If you bore it to 3.90" then it probably weighs within a pound of LS6. Likewise, the 5.3 and 4.8 have thicker cylinder walls than the 6.0 (though not the same OD), and they also have the DOD bosses in the valley, so I'll make a rough guess that the 5.3/4.8 weighs 6-10lb. more than the 6.0 shown above. Derrick user-612937456 Re: L33 weight ?Post by user-612937456 » Tue Oct 04, 2011 8:22 pm I am looking for the complete assembly weight of the L33(complete with fuel injection trim). Like a gen1 complete iron SBC engine weighs about 620 lbs RizzleExpert Re: L33 weight ?Post by Rizzle » Wed Oct 05, 2011 5:03 pm It should be within a couple lbs of an ls1, which I just found claimed at 481lbs with accessories, wiring and computer.
WEIGHTSFULLY DRESSED W/ HARNESS, ECM, ACCESSORIES, EXHAUST, RTRVORTEC IRON BLOCK 4.8, 5.3, 6.0 = 580LBSVORTEC ALUMINUM BLOCK 5.3L L33 = 500LBS
6.0L LQ9 with 3 Piece Engine CoversTypical 4.8, 5.3, 6.0 Truck Engine with 1 Piece engine coverThis is a standard 4.8, 5.3, or 6.0 without the Cover AND an F-Body oil pan.For comparison here is a typical LS1, LS6, etc. Camaro / Corvette engine with car intake and accessoriesHere are some traditional transmissions. The 4L60 is the same as the 700R4TECH Apprentice Thread Starter
Join Date: Jan 2006 Location: Phoenix, AZ Posts: 369 Likes: 0 Received 0 Likes on 0 Posts ive been looking everywhere for solid numbers on engine weights. im trying to get the dry weight of the engines. LM7 = iron block 5.3 LM4/L33 = aluminum block 5.3 im planning something different in a new car we are building and would like to start with a lower displacement/cost platform than a LSx. Teching In iTrader: (2)
Join Date: Nov 2006 Location: green cove springs ,florida Posts: 39 Likes: 0 Received 0 Likes on 0 Posts should be about 110 lbs last time i was looking at weight...look at gm performance parts book and see what the block weight is and that should be your difference radrambler 3ngine, 53, engine, engines, identify, l33, lm4, lm7, ls1, motor, radrambler, tech, vs, weight, wiki How much does an aluminum LS engine weight?The engines weigh about 460 lbs.
How heavy is an aluminum engine block?engine blocks weigh about 44 lbs.
Is the L33 a good motor?Just like the LS1 or LS6, the LM4 and L33 are strong and lightweight. With upgraded internals, they can handle around 850 hp. And, if you can find one, it will definately cost you less than an LS1 or LS6. These 5.3L engines share a 3.780 in.
How much HP can a L33 handle?Another bonus of the L33 is it had beefier connecting rods than earlier Gen. 3 engines and had full floating pins. They can handle about 750+ hp and 7,000 rpm in boosted applications (at least for a while).
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How much does a L33 weight
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