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The all iron big block is 754 pounds : with aluminum heads 660 pounds. (The ZL 1 is just 501 pounds.)A single vortec head with the valves and valvesprings and stuff, should weigh about 45-50 lbs.. Maybe they ship it in a 20 lb.Aluminum heads are lighter. They can save about 50 lbs. total. On a street car, that won’t make a big difference.
| Engine | Weight (lbs) | Comments |
|---|---|---|
| Chevy Small Block V8 | 535 | ’59 Corvette w/ Alum Intake |
| Chevy V8 348/409 | 620 | |
| Chevy Big Block V8 | 685 | Mark IV |
| Chevy Big Block V8 | 685 | Mark V |
Contents
How much does an engine head weigh?
A single vortec head with the valves and valvesprings and stuff, should weigh about 45-50 lbs.. Maybe they ship it in a 20 lb.
How much lighter are aluminum heads?
Aluminum heads are lighter. They can save about 50 lbs. total. On a street car, that won’t make a big difference.
How much does a big block Chevy engine weigh?
| Engine | Weight (lbs) | Comments |
|---|---|---|
| Chevy Small Block V8 | 535 | ’59 Corvette w/ Alum Intake |
| Chevy V8 348/409 | 620 | |
| Chevy Big Block V8 | 685 | Mark IV |
| Chevy Big Block V8 | 685 | Mark V |
How much does a Chevy 454 engine weigh?
680 lbs. including cast iron exhaust manifolds. 680 lbs. including cast iron exhaust manifolds.
How much does a small block Chevy weight with aluminum heads?
“With this block and aluminum heads, you get an engine that weighs only about 435 pounds,” says World’s Bill Mitchell. “That won’t even compress the front springs on some cars.” Like the iron version, the alloy Motown Lite is strategically beefy.
How much do 5.7 Vortec heads weigh?
| Manufacturer | GM / Chevy / GMC |
|---|---|
| Brand | ADV Cylinder Heads |
| Item Weight | 220 pounds |
| Package Dimensions | 39.37 x 39.37 x 19.69 inches |
| Is Discontinued By Manufacturer | No |
Are aluminum heads better than cast iron heads?
Aluminum heads have higher compression, are lightweight and have better ports when compared to iron heads. However, iron heads are usually preferred by daily drivers, since it does not develop problems like aluminum heads over time. Aluminum heads may have to be removed and repaired more often than iron heads.
Do aluminum heads make an engine run cooler?
so Al conducts heat from the combustion chamber at about 5 times the rate, which is why you can run higher CR than iron, but it also transmits more heat to the cooling system, and reduces the thermal efficiency of the motor somewhat, causing some slightly less gas mileage, and slightly reduced power at the same CR….
Can you put aluminum heads on a cast iron block?
If you are installing aluminum heads on a cast-iron block, the difference in expansion rates can cause sealing problems. Because of this, composite gaskets seem to work best. There are different designs available. Just make sure whatever you use is applicable in an aluminum-head/iron-block situation.
How much do aluminum BBC heads weigh?
The lightweight all aluminum motor is 389 pounds. The all iron big block is 754 pounds : with aluminum heads 660 pounds.
How much does a 455 Olds engine weight?
Oh, and a bare 455 block, without main caps, weighs around 167 pounds.
How much does a 632 big block weigh?
Big Block, Naturally Aspirated (640 Max CID) – 2,375 lbs.
How much do bare big blocks weigh?
CHEVROLET Engines, Bare Blocks – 258 lbs.
How much does a LSX 454 weight?
When its all assembled, the LSX 454 weighs 568 pounds–thats 128 pounds more than the LS7. That weight gets you an engine tested to GM production-car standards that puts out 620 hp and 590 lb-ft. Redline is a very conservative 6,500 rpm.
How much does a 426 Hemi weight?
…
Second generation: 426.
| 426 | |
|---|---|
| Specific power | 60.9 hp (45 kW) per liter |
| Torque output | 490 lb⋅ft (664 N⋅m) |
| Dimensions | |
| Dry weight | 843 lb (382 kg) |
How much does the average engine weigh?
The average eight-cylinder engine weighs between 400 lbs. and 700 lbs. Higher-end luxury vehicles and sports cars have this kind of combustion system. Furthermore, 10 and 12-cylinder engines weigh more than 800 lbs.
How much does a 350 engine block weigh?
Depending on how many accessories you leave on the engine, it should weigh about 575 pounds.
How much does an average V8 engine block weigh?
| ENGINE | Weight | References |
|---|---|---|
| pounds | ||
| Chevy small block V8 | 535 | (1) |
| Chevy V8 348/409 | 620 | (1) |
| Chevy big block V8 | 685 |
How much does a 3.6 engine weight?
All this within an engine that weighs as little as 326 lbs., depending on the application, which is four pounds less than the previous 3.6-liter Pentastar despite the addition of new components weighing 13 pounds.
Weight difference? BBC with aluminum heads vs. SBC with iron heads. – CorvetteForum – Chevrolet Corvette Forum Discussion
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- Most searched keywords: Whether you are looking for Weight difference? BBC with aluminum heads vs. SBC with iron heads. – CorvetteForum – Chevrolet Corvette Forum Discussion Updating alum, aluminium, aluminum, bbc, difference, engine, heads, intake, iron, motor, sbc, smallblock, versus, weigh, weight, Weight difference? BBC with aluminum heads vs. SBC with iron heads., Corvette, C7 Corvette, c6 corvette,C7,C6,C5,C4,C3,C2,C1, reviews,guides, parts, exhaust,performance, sale, forum, corvette forumC3 Tech/Performance – Weight difference? BBC with aluminum heads vs. SBC with iron heads. – How much weight difference is there?
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How much does an Iron cylinder head weigh complete? – CorvetteForum – Chevrolet Corvette Forum Discussion
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- Most searched keywords: Whether you are looking for How much does an Iron cylinder head weigh complete? – CorvetteForum – Chevrolet Corvette Forum Discussion Updating cast, corvette, cyclinder, cylinder, engine, gm, head, heads, iron, shipping, vortec, vortech, weigh, weight, wieght, How much does an Iron cylinder head weigh complete?, Corvette, C7 Corvette, c6 corvette,C7,C6,C5,C4,C3,C2,C1, reviews,guides, parts, exhaust,performance, sale, forum, corvette forumC3 General – How much does an Iron cylinder head weigh complete? – Looking to buy a set of iron vortecs and just wondered about the weight as shipping to the Uk is going to be expensive. Have been told about £3.50 per kg ( $5.57 per 2.2lbs ) Was quoted $175 per head from one seller which would equate to approx 70lb…
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Do I need aluminum heads?
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Do I need aluminum heads?
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What does a complete 454 engine weight.. – CorvetteForum – Chevrolet Corvette Forum Discussion
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How much does a cylinder head weight on a Chevy 454 big block? – Answers
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- Summary of article content: Articles about How much does a cylinder head weight on a Chevy 454 big block? – Answers The weight of a small block Chevrolet cylinder head is 65 ft-lbs. Refer to your owner’s manual or seek the help of a car expert if necessary. …
- Most searched keywords: Whether you are looking for How much does a cylinder head weight on a Chevy 454 big block? – Answers The weight of a small block Chevrolet cylinder head is 65 ft-lbs. Refer to your owner’s manual or seek the help of a car expert if necessary. 85 lbs. ? <- previous answer. Lets see now.... This question has bugged me for a while - so I decided to find out for myself. First I grabbed my wifes digital scale then went to the garage and heres how it went. I started by weighing myself while holding a head and then by myself without the head and did the math. A bare cast iron 781 casting - no valves, springs, retainers, pushrod guideplates etc.. came in at 68.5 Lbs. So I'd agree that 85Lbs. complete sounds like it could be kinda close maybe just a little heavy because 16.5Lbs. for the balance of the valvetrain seems a bit high. Now I did the same weigh in procedure again with and without a head. This time with one of my new Brodix Race Rite Oval Port aluminum heads COMPLETE with valves, springs, retainers, pushrod guide plates etc.. - in the heavy cardboard shipping box and it came in at 46Lbs. I hope this helps someone else that's just as curious as myself.
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Cylinder head weight? Aluminum vs. Iron – Don Terrill’s Speed-Talk
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Head weights – Chevy Message Forum – Restoration and Repair Help
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- Summary of article content: Articles about Head weights – Chevy Message Forum – Restoration and Repair Help (I know there are variables but maybe short block weights would be … weighs in about 75 pounds less than an iron head SBC motor alone. …
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How much does a 454 cylinder head weigh? – idswater.com
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How much does a BBC head weight
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How much does the head of an engine weigh
What is the weight of a Chevy 454 engine
When did Chevy come out with the 454
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Weight difference? BBC with aluminum heads vs. SBC with iron heads.
Re: Weight difference? BBC with aluminum heads vs. SBC with iron heads. (John Dirks)
MY 66 , 427 , convertable Weighs 3080 without me in it, 1/2 half tank of fuel,` alum heads , alum intake, 4 speed ,no spare , no spare carrier assy ,no jack,mini starter & monoleaf rear spring ( 8 Lbs as opposed to 40 + LBS ) no p/s or p/b & temporarily no radio , also has factory side exhaust that is ( I think)lighter than stock ,,,wieghed at New England Dragways electronic scale……………………taking wieght off is the same as more hp , anyways read in a magazine that the change to alum heads alone brings a big/block within 40 lbs of a smallblock, ‘ :yesnod:
How much does an Iron cylinder head weigh complete?
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To How much does an Iron cylinder head weigh complete?
I think that the weight of heads are proportional to how far that you have to carry them. I purchased some BB heads at a swap meet and had to carry one between a quarter and a half mile. They started out weighing around 80 lbs. However when i got back to the car that head was well over 100 lbs.
Depends, as some like B.B Chevy heads are pretty heavy. Think you’ll be pretty good with the S.B. iron Vortec’s you’re talking about though. Had some Oldsmobile iron heads shipped several years back, and packaged seperately, made it under the UPS 60 lb limit. Since you’re out of the country, maybe consider more expensive/lighter aluminum heads, as may work out similar in price, when factoring in shipping.
Depends, as some like B.B Chevy heads are pretty heavy. Think you’ll be pretty good with the S.B. iron Vortec’s you’re talking about though. Had some Oldsmobile iron heads shipped several years back, and packaged seperately, made it under the UPS 60 lb limit. Since you’re out of the country, maybe consider more expensive/lighter aluminum heads, as may work out similar in price, when factoring in shipping.
A single vortec head with the valves and valvesprings and stuff, should weigh about 45-50 lbs.. Maybe they ship it in a 20 lb. box? Scott
Looking to buy a set of iron vortecs and just wondered about the weight as shipping to the Uk is going to be expensive. Have been told about £3.50 per kg ( $5.57 per 2.2lbs ) Was quoted $175 per head from one seller which would equate to approx 70lb per package which I guess would be about right.
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Do I need aluminum heads?
Do I need aluminum heads?
Cast Iron vs. Aluminum Cylinder Heads
Most Cylinder Heads are cast iron or aluminum. The right material for you depends on the answers to these questions:
What are you using them on?
What other parts are you going to use with them?
What’s your budget?
The sections below explain the details.
Weight
Aluminum heads are lighter. They can save about 50 lbs. total. On a street car, that won’t make a big difference. But, on a race car, lighter is almost always better.
Temperature
Aluminum heads will dissipate heat faster. This allows for higher Compression Ratios with less risk of Detonation. The cooler head also delivers a cooler air/fuel mixture to the combustion chamber. Cooler air is denser and can make more power.
Cast iron heads will help the engine warm-up faster. This is good for drivability after a cold start. The retained heat also helps fuel economy and thermal efficiency.
Durability & Repair
Both types of heads can be damaged if the engine overheats. Cast iron is much more durable. However, aluminum heads are easier to fix. The metal is softer and easier to weld and machine.
Cost
Cast iron heads are less expensive. There is also a hidden cost with aluminum heads. They need to be matched with other parts, High Octane Fuel, etc. to make more power.
Final Recommendation
If you have a low compression (9.5:1 or less) street engine, save some cash and go with iron heads. When matched with the right components, you won’t be disappointed with the durability and performance.
If you want maximum power, and your budget can take it, go with aluminum heads. Just be sure to match the heads with your other parts to get the most from them.
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