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04-15-2010, 06:20 PM
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#1 |
 Drives: 2010 Camaro 2ss Join Date: Apr 2009
Location: new Jersey
Posts: 254
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How do you increase the displacement of a motor?
Topic. right now, the ls3 has 376 ci and I'd like to upgrade to the 454 ci that the lsx454 has but without having to buy the whole engine. I plan on adding LT's, new cam, headers, forged pistons, etc. as I save up the cash to the stock LS3 but the bigger project later on is to get the 454 ci somehow and still keep the cam,LT's, etc that I put on the Ls3 so I don't waste them. Would this even be possible or do I have to actually buy the whole lsx454 to get the displacement upgrade?
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2010 CGM/Black 2SS M6
20% Tint -:- Hurst 44% Short Throw Shifter -:- Viper 5901 Alarm/Remote start -:- High Gloss Black Painted Calipers + White Brembo Decal |
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04-15-2010, 06:29 PM
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#2 | |
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Banned
Drives: 2011 Avenger Heat Join Date: Nov 2009
Location: Oregon
Posts: 1,697
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Quote:
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04-15-2010, 06:48 PM
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#3 |
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Drives: 2010 Camaro 2ss Join Date: Apr 2009
Location: new Jersey
Posts: 254
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Ok, thanks for the info. So probably replacing the stock block with the LSX454 block would be the easier route and I hear that the 454 block is aluminum? I don't know much about stroked motors but it's sounding like that it would be a waste to buy forged pistons for the LS3 since I would need larger pistons for the bigger cylinders in the 454 block. Is that pretty much the only thing that would be different? Mostly worried about wasting $$ upgrading the LS3 when they won't fit on the 454 block (or bored Ls3 block)
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2010 CGM/Black 2SS M6
20% Tint -:- Hurst 44% Short Throw Shifter -:- Viper 5901 Alarm/Remote start -:- High Gloss Black Painted Calipers + White Brembo Decal |
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04-15-2010, 06:53 PM
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#4 |
Drives: 1967 camaroSS Join Date: Mar 2007
Location: va
Posts: 239
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i don't believe u can accomplish 454cubic inches from a 376 cylinder walls isn't thick enuff
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04-15-2010, 07:18 PM
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#5 | |
        Drives: 2000 Mustang GT Join Date: Jul 2009
Location: Elgin,SC
Posts: 2,707
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Quote:
I have seen 454cid LS2s. But to increase cid you are going to manipulate bore and stroke, going bigger to add displacement. |
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04-15-2010, 07:39 PM
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#6 |
  
Drives: 2016 Mazda6, 2011 Mustang 5.0 Join Date: Mar 2010
Location: Portage, Wisconsin
Posts: 4,049
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I think it would be cheaper (and more reliable) to just buy the LSX454 than turn the LS3 into one. The LS7 (428ci) needs cylinder walls and sleeves and all that to make its bore and stroke work. To get to 454, you'd probably need to do even more.
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2022 1SS 1LE (Arrived 4/29/22)
"The car is the closest thing we will ever create to something that is alive."  . 2022 1SS 1LE (Coming Soon) |
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04-16-2010, 11:30 AM
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#7 |
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Master of All Things
Drives: '26 Corvette Stingray Join Date: Jul 2009
Location: Southeast of Houston, Texas
Posts: 22,680
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ok its not a 454......but close, 413.......and it a monster....its my buddy's Daniels car....2010 Camaro RS/SS HKE Forged 416 CID, HKE Custom Cam, Harland Sharp Upgraded LS3 Rocker Arms, ARH LT's, Corsa Exhaust, Hurst Short Throw Shifter, SLP Underdrive Pulley, Roto Fab CAI, G-Force Tuned, BMR Contol Arms.
its making 510 RWHP and 489 ftlbs of torque......and its a DAILY DRIVER.
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