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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 04-30-2010, 09:14 PM   #1
Cmlloveless

 
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Random questions!

Ok so dont shoot me if this is the wrong area to post this!

But, all this time I have had my car and brag about it to everyone I always get the question, "What size of engine is the LS3?"

So other than saying its a 6.2L V8, how big is it? 350? 375? 427? cause I rele dont know!
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Old 04-30-2010, 09:23 PM   #2
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376
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Old 04-30-2010, 09:26 PM   #3
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^^ what he said
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Old 04-30-2010, 09:41 PM   #4
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3rd that
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Old 04-30-2010, 10:09 PM   #5
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6.2L V8 376 C.I. 426 H.P. LS3
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Old 04-30-2010, 10:22 PM   #6
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376.1ci or 6.162L

1 liter is approximately 61 cubic inches
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Old 05-01-2010, 11:12 PM   #7
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Thank u all!

Can this engine be bored out to make it higher than 376?
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Old 05-02-2010, 12:11 AM   #8
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376 cubic inches of muscle!!
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Old 05-02-2010, 02:22 AM   #9
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Thank u all!

Can this engine be bored out to make it higher than 376?
I believe so. I know GM Performance offers the LSX 454 so between that and the LS7 which is 7.0L there's definitely room for expansion.
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Old 05-02-2010, 02:44 AM   #10
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It can be bored some, but I think getting it out to 7.0L, or out to a 454 (7.4L) takes more than just boring. Some special work needs to be done with sleeves to get to the LS7's displacement, and that's both boring and stroking.
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Old 05-02-2010, 09:22 AM   #11
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I'm really noobish but, what does it mean to bore or stroke an engine? And what is the purpose?


- Rico
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Old 05-02-2010, 09:33 AM   #12
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I'm really noobish but, what does it mean to bore or stroke an engine? And what is the purpose?


- Rico
Bore = the hole the piston slides up and down.

Stroke= the distance within the bore that the piston actually travels.

Boring and stroking = making the bore larger and the stroke longer

Purpose= more air and fuel space = more power = more HP/Tq

Overall the purpose it to make the motor have more power, this can also be accomplished with forced air induction systems. Blowers, turbos, superchargers, etc.
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Old 05-02-2010, 09:58 AM   #13
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That was more understandable than I thought it would be. Thank you for explaining. So for those who want to keep the the car naturally aspirated but gain a good amount of hp this is an option?

- Rico
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Old 05-02-2010, 01:54 PM   #14
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don't forget "and want to spend a chunk of change"
machining a block ain't cheap
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Old 05-02-2010, 04:22 PM   #15
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how much does a mod like that cost?

- Rico
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Old 05-02-2010, 09:38 PM   #16
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Cost is proportional to the amount of power you want to increase. That is in relationship with the labor, materials, sellers markup. and I'm sure a few other factors involved with tuning, testing, tweaking, upgrading other componets such as the drive line, suspension, gearing, and the list continues. The motor is simply put, like a big air compressor. If you want to get more out of it, you need to put more into it. It is termed "breathing". This is just a simple anology, in depth building takes a lot of understanding of the relationships of the entire scope of the motor and its systems.
The costs can be several hundred dollars to well over 10,000 dollars.

I hope this helps. This may not be the best answer, but it generates the idea anyway.
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Old 05-02-2010, 10:30 PM   #17
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will changing the displacement of my engine void my warranty??
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Old 05-03-2010, 02:51 AM   #18
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will changing the displacement of my engine void my warranty??
Absolutely not! It's one of the few dealer approved bolt on's
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Old 05-03-2010, 03:06 AM   #19
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Absolutely not! It's one of the few dealer approved bolt on's
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Old 05-03-2010, 03:09 AM   #20
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Absolutely not! It's one of the few dealer approved bolt on's
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Originally Posted by AdnanHfuda View Post

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Old 05-03-2010, 10:38 AM   #21
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This certainly was informative as I was hoping to keep th car naturally aspirated but still get a good amount of power out of it. Would the dealer do it themselves or would I need to take it to a machine shop or something

- Rico
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Old 05-03-2010, 12:15 PM   #22
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I don't know of any dealer that with bore out the engine for you!
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Old 05-03-2010, 12:16 PM   #23
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So the next question is, how big can we go on this block? 427? 454?
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