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

What's it take to build a 396?

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Old Oct 31, 2005 | 04:11 PM
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Default What's it take to build a 396?

I see many threads of 383's, so how are they doing it to build 396's??
OVERBORING ???
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Old Oct 31, 2005 | 05:09 PM
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You can do it both ways. But if you are going to sleeve it to for a 396, it would make more sense to build a 418 or 427.

The stroker kit that I got fits the stocked (honed) bore and has a longer stroke of 4.125". The 383 strokers have a stroke of 4.00", so the only difference in stroker kits is the crank (and possibly rod length).
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Old Oct 31, 2005 | 05:16 PM
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I would like to know the same. So do u just use the stock LT1 and put a stroker kit on it that I guess includes a crank, rods etc.???
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Old Oct 31, 2005 | 05:34 PM
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383 iand 396 have teh same bore. 30 over
383 has a 3.75 stroke
396 has a 3.875 stroke

neither one require resleving.

kits usually include: crank, rods, pistons, bearings and rings
make sure you factor in machine work in the price


brook
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Old Oct 31, 2005 | 05:41 PM
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I think that if you buy a rotating assembly for either 383/396 both fit each other. But im not totally sure.
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Old Oct 31, 2005 | 05:49 PM
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anyone knwo off hand a ball park of how much to get a block bored 30 over and also get the mains dilled and tapped to 4 bolts instead of 2?
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Old Oct 31, 2005 | 09:18 PM
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Originally Posted by ROCNDAV
The stroker kit that I got fits the stocked (honed) bore and has a longer stroke of 4.125". The 383 strokers have a stroke of 4.00", so the only difference in stroker kits is the crank (and possibly rod length).

In the works:
Lunati 396 stroker & 55009LUN cam, AFR 225, 90/90 (NW TB), Kooks 1 7/8" , H/S rocker mod, Racetronix Fuel system, BMR SFCs & upper A arms, UMI Lower A arms, Digital Suspension, 3.73 Moser 12 Bolt, Profab K-member, Home P&P oil pump, Textralia clutch & Billet F/W).

Are you building an LSx or LTx....from your desription you are thinking LSx based motor
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Old Nov 1, 2005 | 12:33 AM
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Oops, you're right. I answered this thread from an RSS feed, not noticing it was in the LTx Forum.
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Old Nov 1, 2005 | 03:27 PM
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Originally Posted by ROCNDAV
But if you are going to sleeve it to for a 396, it would make more sense to build a 418 or 427.

Why does it have to be sleeved?? does it need to be bored over 60.
and would a 396 be worth the build for a good strong daily driver, thats
not used for strip use, and whats the purpose of a 396, more torqe than the
383 right?? I thought i'de use a CC306 cam.
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Old Nov 1, 2005 | 05:18 PM
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Originally Posted by SPACECITY
Why does it have to be sleeved?? does it need to be bored over 60.
and would a 396 be worth the build for a good strong daily driver, thats
not used for strip use, and whats the purpose of a 396, more torqe than the
383 right?? I thought i'de use a CC306 cam.
They were thinking you are building a LSx based motor...you are building a LTx. You do not have to sleeve the LTx blocks.

To get the extra stroke needed for a 396 requires a little more maching of the block for clearence issues. If the pupose of your car is to be a driver I might even suggest building a forged internal 355, and with the money you save get a good set of heads and a custom grind cam to match.
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Old Nov 3, 2005 | 04:12 AM
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what a retard
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Old Nov 4, 2005 | 03:58 PM
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Originally Posted by regorih383
what a retard
So it make's me a RETARD to ask question's I am trying to learn from
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Old Nov 4, 2005 | 07:16 PM
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it takes money. my lt4 is a 396 and i love it.
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