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Generation III Internal Engine
1997-2006 LS1 | LS6
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Old 11-27-2006, 10:58 PM   #1
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Default benefits of stroking motor *noob questions*

So my car is basically bolt ons and a stall, curious on benefits of stroking the ls1 to a 408ci, i have heard many people about it and have tried searching on actual gains from this, or is there another reason to stroking.

im not a mechanic so i just dont know sorry, for being dumb is there any good reference sites or what not to understand more about this?

Thanks.
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Old 11-27-2006, 11:23 PM   #2
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You will have to have it re-sleeved to go to 408 most likely. People run the iron block 408. 402 is the aluminum one.

This is your best reference site out there....
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Old 11-27-2006, 11:28 PM   #3
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gaining cubic inches is usually a plus! And when you build a stroker...you get the benefits of a big block(lots of torque) but in a small block package.
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Old 11-27-2006, 11:31 PM   #4
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o and you can buy a bare cast iron 6.0 block from scdc for around $659.00. and then there are several companies(lunati,eagle,etc.) out there that sell stroker kits for around $3000.00 which isn't a bad buy.
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Old 11-27-2006, 11:33 PM   #5
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Don't get a kit. Your best bet is to sell your motor....Buy a shortblock from LME, Thunder, SDPC, TSP....ect. You can do it cheaper as a whole.
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Old 11-27-2006, 11:36 PM   #6
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ya, he is right, you would come out better that way.
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Old 11-27-2006, 11:45 PM   #7
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Also..."stroking" your current block can cost almost as much as buying a *new* shortblock. Machine work is not the cheapest thing in the world.

Also with buying a shortblock, you can have it built for your application. Nitrous/FI/NA...what ever you need it for. All around. Best bet.
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Old 11-27-2006, 11:49 PM   #8
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To answer your question, stroking=more HP/TQ.
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Old 11-28-2006, 12:30 AM   #9
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awesome thanks, what are generally typical gains on going to a 402 ci, i know the ls1 is 346 ci and has 350 hp so maybe a 1 hp per cubic inch would be nice lol

and my gfs dad has all the machines nessicary to install and balance
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Old 11-28-2006, 09:13 AM   #10
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id just buy a short or long block fro ma vendor here. it'll save time, which saves you money. hell, id rather just buy the long block and get new covers, intake, rails and what not. a turnkey motor will pull alot more $ than a longblock on ebay

i know im not investing any money into this block because if i keep it its going fi, if i trash it, im going iron 408, so theres not much point to spending 2grand for a cam
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Old 11-28-2006, 05:22 PM   #11
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ok but im just curious on the benefits of stroking a motor and gains that have been seen
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Old 11-28-2006, 07:06 PM   #12
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With a decent setup a 402/408 will give you around 490-540 rwhp, 500/520 rwtq. This is all based on intake, cam, head, tranny combo's. Do a search on the dyno section, and you will find some dyno runs and graphs.
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Old 11-28-2006, 07:06 PM
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