C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

How much does an LT-1 aluminum block weigh?

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Old 06-18-2003, 09:40 PM
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LT-4 CE
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Default How much does an LT-1 aluminum block weigh?

Just curious.
Old 06-18-2003, 09:56 PM
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Chefskeez6
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Default Re: How much does an LT-1 aluminum block weigh? (LT-4 CE)

I didn't know LT1 blocks were available in aluminum?
Old 06-18-2003, 10:07 PM
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bogus
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Default Re: How much does an LT-1 aluminum block weigh? (Chefskeez6)

unless Donovan makes one...

GM has never made a production version...
Old 06-18-2003, 10:14 PM
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Lone Ranger
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Default Re: How much does an LT-1 aluminum block weigh? (LT-4 CE)

LT1's have iron blocks, but aluminum heads. Colloquially referred to as a bi-metal engine.

Old 06-18-2003, 10:37 PM
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LT-4 CE
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Default Re: How much does an LT-1 aluminum block weigh? (LT-4 CE)

Good to know. I wasn't sure and a friend of mine thought they were aluminum and was curious. I guess the more appropriate questions would be, were LT-1 blocks made in aluminum? And now I know the answer.

Thanks for clarifying.
Old 06-18-2003, 10:40 PM
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Lone Ranger
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Default Re: How much does an LT-1 aluminum block weigh? (LT-4 CE)

Good to know. I wasn't sure and a friend of mine thought they were aluminum and was curious. I guess the more appropriate questions would be, were LT-1 blocks made in aluminum? And now I know the answer.

Thanks for clarifying.
The LS1's are aluminum block and aluminum heads (four-bolt aluminum block with cross-bolt mains) :yesnod:
Old 06-19-2003, 01:53 PM
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ZD1
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Default Re: How much does an LT-1 aluminum block weigh? (LT-4 CE)

You'll probably want to do a search on LT1 engine wieght, but the LT motors are the heaviest (at >600 lbs) of the GM Al headed motors. Yes L98's do weigh less.
Old 06-19-2003, 02:24 PM
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Default Re: How much does an LT-1 aluminum block weigh? (Chefskeez6)

I didn't know LT1 blocks were available in aluminum?
:iagree: :confused:
Old 06-19-2003, 02:26 PM
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JasonL
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Default Re: How much does an LT-1 aluminum block weigh? (Lone Ranger)

The LS1's are aluminum block and aluminum heads (four-bolt aluminum block with cross-bolt mains) :yesnod:
Actually LS1s have 6-bolt main bearing caps.
Old 06-19-2003, 04:18 PM
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Dave C. '04 Z06
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Default Re: How much does an LT-1 aluminum block weigh? (JasonL)

Most aluminum smallblock blocks weigh in the neighborhood of 90-100 lbs. (with nothing in them)

The LT1 weighs 22lbs more than an L-98, due to the cast iron exhaust manifolds.

-Dave C.
Old 06-19-2003, 07:04 PM
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swoosh
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Default Re: How much does an LT-1 aluminum block weigh? (Dave C. '97 Z28)

How much does an LT-1 engine weigh??? Compared to the LS-1 ??

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