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Anyone ever put in a big block ?

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Old Oct 27, 2018 | 12:19 PM
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Default Anyone ever put in a big block ?

Just curious!
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Old Oct 27, 2018 | 02:21 PM
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It would be easier and you would make more power with the LSX based 454ci engine.
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Old Oct 28, 2018 | 02:38 PM
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Originally Posted by JHrinsin
It would be easier and you would make more power with the LSX based 454ci engine.



And with a LOT fewer compatibility issues, and also without ruining the weight balance of the car.
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Old Oct 28, 2018 | 04:45 PM
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HPR made a 468 LS that someone is testing in a C5 track car. I'm kind of surprised they managed to squeeze 468 cubes into a standard deck height LS block, but apparently it fits.

Last edited by NSFW; Oct 30, 2018 at 01:47 AM.
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Old Oct 29, 2018 | 02:13 PM
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Why? You would make more power out of most anything well-built LSx, not to mention how compatible all the major go-fast LSx parts are with circa-gen C5s.
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Old Oct 29, 2018 | 04:15 PM
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You can probably fit in a 572 or something, but it'd be really heavy. There's no replacement for displacement ... but if you can get away with it, just use boost to get to your target power level - remember, you can fit 454 (or more, probably) cubic inches with an LSX or LSx-variant.
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Old Oct 29, 2018 | 07:23 PM
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http://www.superchevy.com/features/v...olet-corvette/

Yep. Major tear up but it was done.
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Old Oct 30, 2018 | 01:46 AM
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Originally Posted by jackthelad
http://www.superchevy.com/features/v...olet-corvette/

Yep. Major tear up but it was done.
With that much torque you better back it up with a 2.29 1st gear ZR1 TR6060 transmission with a '09-13 C6 Z06 / ZR1 differential and axles not to mention a HD torque tube setup. Plus that iron block 8.1L Vortec is going to make that car way nose heavy - but hey to each his own.
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Old Oct 30, 2018 | 10:07 AM
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Old Oct 30, 2018 | 10:47 AM
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Originally Posted by jackthelad
http://www.superchevy.com/features/v...olet-corvette/

Yep. Major tear up but it was done.
That is an interesting article, however, it's over 10 years old. A LOT of LS development work has been done since then, which I would think would make the need to do THAT much work to install a big block, ineffective.
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Old Oct 30, 2018 | 03:49 PM
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Originally Posted by leadfoot4
That is an interesting article, however, it's over 10 years old. A LOT of LS development work has been done since then, which I would think would make the need to do THAT much work to install a big block, ineffective.
I totally agree, but the OP wanted to know if it could be/had been done. Obviously, an LSX is a saner option, or even just forced induction. A lot cheaper, too.
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