LS1TECH - Camaro and Firebird Forum Discussion
SBC-BBC-LT1-LT4 PERFORMANCE
LT1-LT4 Modifications
hmm... block ??

LT1-LT4 Modifications 1993-97 Gen II Small Block V8

hmm... block ??

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Old

Feb 24, 2011 | 09:58 PM

#1

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hmm... block ??

What's the difference between any sbc genII block and the LT1 block?

Old

Feb 24, 2011 | 10:01 PM

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LT1 is a gen II block isn't it?

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Feb 24, 2011 | 10:02 PM

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They are identical since an LT "IS" a "gen II sbc"....

Old

Feb 24, 2011 | 10:02 PM

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Can I guess you are MISTAKING the gen 1 1-piece rear main for a gen 2?

The LT1, LT4 and L99(4.3l V8 based engine only in Caprice sedan 94-96) are the gen 2 motors

Old

Feb 24, 2011 | 10:08 PM

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Vortec anyone... is a gen II non lt based. I just wanted to know if the LT blocks had to be machined differently because of the reverse flow. anyway the reason I ask is I am going to go pick up a gen II 1pc rear-main block and was interested if it would work in the TA.

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Feb 24, 2011 | 10:11 PM

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No, it will not work.

Old

Feb 24, 2011 | 10:12 PM

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Quote:

Originally Posted by RamAir95TA

No, it will not work.

Whats different.

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Old

Feb 24, 2011 | 10:16 PM

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The Vortec is the same as a SBC. The timing cover, water pump, and coolant passages are different. The Vortec is not a Gen II

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Old

Feb 24, 2011 | 10:18 PM

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Quote:

Originally Posted by fergymoto

The Vortec is the same as a SBC. The timing cover, water pump, and coolant passages are different. The Vortec is not a Gen II

Oh! I learn something everyday.

Old

Feb 24, 2011 | 10:31 PM

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Basicly it is identical to a 1 peice rear main seal trad SBC minus the front and the head deck surface, all the bottom end measurements are the same.

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