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

383..vs..396

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Old Mar 23, 2008 | 02:16 AM
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Default 383..vs..396

Before you bring it up yes I did a search, the most specific was an older '05 thread.

The time has finally come. I didn't want to spray at this time or go 355 so that is ruled out (I know it's a good option though.)The stroke length of the 396 seems to definitely yield more torque, now what setups are you guys running and which should I go with? What prices am I looking at? I have a very healthy H/C A4 car on a 350 putting down just under 400, and it's going to be put back together in the next few weeks. Please let me know what to expect!
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Old Mar 23, 2008 | 02:25 AM
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dont get your hopes up and expect it to feel like stock just so it suprises you when you get on it.
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Old Mar 23, 2008 | 03:16 AM
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No replacement........for displacement. I am sure you already knew that.
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Old Mar 23, 2008 | 03:19 AM
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Originally Posted by LT1-DAN
No replacement........for displacement. I am sure you already knew that.
then whats the deal with superchargers?
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Old Mar 23, 2008 | 03:24 AM
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To make up for what they lack in cubes.
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Old Mar 23, 2008 | 03:25 AM
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Big displacement+blower=Murder!
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Old Mar 23, 2008 | 06:05 AM
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Wold Motors 632 cid BBC 900hp stock (mild cam and heads look like they could use work) + Wiena 1872 (or whatever that model is) blower = murder lol
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Old Mar 23, 2008 | 02:56 PM
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what is the bore and stroke for a 396?
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Old Mar 23, 2008 | 03:02 PM
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forget gas mileage LOL !
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Old Mar 23, 2008 | 03:03 PM
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Originally Posted by Flamingchicken94
what is the bore and stroke for a 396?
4.030 bore 3.875 stroke
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Old Mar 23, 2008 | 05:08 PM
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The 383 will leave you more room later on if you need to bore and hone any. 396 is still cooler but I think more people go 383 for some reason...
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Old Mar 23, 2008 | 07:34 PM
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everyone goes with a 383 and in most cases a 355 CI well built well put out the same HP numbers with out the the nice torque curve but it all depends on cam profile and head flow. in most cases 396 engines are so big in the displacement that everything get tight and there little room for error.... in this case running a blower or nitrous set up gets a little hairy. also a 396 will not give u the rev unless u a running a huge head and a perfect choosen cam profile. price gets a little higher because of the custom pistons. i am doing a 396 set up but i love all motor. Good Luck.

355-----$1200-$2000
383-----$1500-$3000
396-----$2200-$4500
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Old Mar 23, 2008 | 08:01 PM
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Originally Posted by 1SLO6
everyone goes with a 383 and in most cases a 355 CI well built well put out the same HP numbers with out the the nice torque curve but it all depends on cam profile and head flow. in most cases 396 engines are so big in the displacement that everything get tight and there little room for error.... in this case running a blower or nitrous set up gets a little hairy. also a 396 will not give u the rev unless u a running a huge head and a perfect choosen cam profile. price gets a little higher because of the custom pistons. i am doing a 396 set up but i love all motor. Good Luck.

355-----$1200-$2000
383-----$1500-$3000
396-----$2200-$4500
Definitely helped some thanks.
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Old Mar 23, 2008 | 08:15 PM
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personally I would go 383 that leaves you one more option if you deystroy it you know.
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Old Mar 23, 2008 | 08:42 PM
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No suprise here, after searching all the bigger sites ie summit, jegs, thunder..the kits are all for 383's only. Course you can build your own 396 but looks like a lot of people just buy into the full rotating assembly kits.
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Old Mar 23, 2008 | 08:52 PM
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What about a all forged 383 or 396 what will that $$$$$$$
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Old Mar 23, 2008 | 10:15 PM
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I would go with a 383 personally..
It's got more availability for the parts.

That is why I went with a 402ci LSX build..the parts were plentiful and cheap.
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Old Mar 23, 2008 | 10:24 PM
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The motor are about the same to build. Just that the cheaper companies only make a 383 kit. So you have to step up the price for the better quality of the better companies, say callies where i got my 396, a 383 set up is about the same price, unless you go cheap and reuse your rods and ya pistons are more plentiful off the self. So your limited to a 383 or 355 the cheaper you go.
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Old Mar 23, 2008 | 10:26 PM
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Dont make it a half *** slow stroker like some people have on here
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Old Mar 24, 2008 | 12:59 AM
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Strokers imo are a waste of money.
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