LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

LT1 Block

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Old 10-23-2006, 06:08 PM
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LT1 Block

Hey guys i bought LT1 block my question is or there any numbers or marking on it that tell what year it is 93/94 or different from 96/97 i think
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Old 10-23-2006, 06:11 PM
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Re: LT1 Block

does it still have the opti on it? if it does the 93-94 will no be vented where as the 95-97 will be vented and have vaccume lines running to it. i also thing the 95-97's didnt come with oil coolers .
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Old 10-23-2006, 06:28 PM
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Re: LT1 Block

it a bare block
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Old 10-23-2006, 06:29 PM
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Re: LT1 Block

try pming shoebox and asking him he might know
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Old 10-23-2006, 06:49 PM
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Re: LT1 Block

ok thanks
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Old 10-23-2006, 07:18 PM
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Re: LT1 Block

The only difference is gonna be between a LT1 2-bolt main or 4-bolt main, which came with the LT4, IIRC. Everything else should be the same.
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Old 10-23-2006, 07:20 PM
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Re: LT1 Block

Originally Posted by seawolf06
The only difference is gonna be between a LT1 2-bolt main or 4-bolt main, which came with the LT4, IIRC. Everything else should be the same.
Corvette LT1 engines were also 4 bolt mains.
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Old 10-23-2006, 07:22 PM
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Re: LT1 Block

Originally Posted by Kevin Blown 95 TA
Corvette LT1 engines were also 4 bolt mains.
That's what I said.
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Old 10-23-2006, 08:27 PM
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Re: LT1 Block

Originally Posted by seawolf06
That's what I said.
No... you said:
....or 4-bolt main, which came with the LT4, IIRC
The 4-bolt block was not unique to the LT4, it was used in all Corvettes from 1992 to 1996, including the Corvette LT4's that were built only in 1996.

There is a shortened form of the original car's VIN stamped at the back of the block. That might give you insight into the year of the car it was originally installed in. Shoebox has a photo of where the VIN derivative is located.
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Old 10-24-2006, 04:28 PM
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cool thanks bro
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