C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old May 8, 2009 | 12:15 AM
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Default 396 Block

There a 396 block for sale locally for 500 bucks. Paperwork proves is been cleaned and magnafluxed by a local well known engine builder.Not that I would ever use it but thought since they've gotten few and far between maybe I'd pick it up just to have.
Is the price fair? opinions?
Thanks
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Old May 8, 2009 | 02:30 AM
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if the block has been prep'ed and is ready for assembly that's an incredible price! Is it a 4 bolt or 2 bolt main block?
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Old May 8, 2009 | 02:56 AM
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Honestly I can remember. Its out of a 67 camaro, I would think its a 4 bolt. I'm going to go tomorrow and get a closer look at it, get some pics and the numbers. It is standard bore.
Don't really know what I'd do with it, but I don't see to many of these around anymore.

Sorry its out of a chevelle SS.
2 bolt main
The front pad reads T0223EF 7B162725. The date code is B-7-7 and the casting number is 3902406

Last edited by qws; May 8, 2009 at 03:27 AM.
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Old May 8, 2009 | 02:43 PM
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Thinking of putting this in a C4?
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Old May 8, 2009 | 03:00 PM
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Originally Posted by qws
There a 396 block for sale locally for 500 bucks. Paperwork proves is been cleaned and magnafluxed by a local well known engine builder.Not that I would ever use it but thought since they've gotten few and far between maybe I'd pick it up just to have.
Is the price fair? opinions?
Thanks
If you're doing a resto on an old Camaro or Chevelle, then it'd be worth it. But these days, it costs more than a 454 to build! 454 parts are a dime a dozen, your selection of 396 parts is greatly limited, especially for pistons.

Plus, to get a high-HP 396, you'll have to have a pretty radical setup, whereas a 496 (454 +.25" stroker crankshaft), will be much more streetable and live longer.

My last BBC was a 427 tall-deck that I stroked out to 525... My total cost was right around $6k. To build a really bitchin' 396 will run close to that, and you'll spend approximately the same amount for a 454...

So go with the largest amount of cubes possible, to start with.

For big performance, nobody screws with the "baby" rat motors, any more...
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Old May 8, 2009 | 04:41 PM
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I don't really know if I'd ever put it in the C4. I just thought that since I really don't see them around that much and if the price was good then I'd pick it up. Only for the "what if" scenerio.

some good points though. 396 parts may be limited, and the 454 is a much more readily available block.
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Old May 8, 2009 | 05:46 PM
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Default 396

Not sure here, but with some machine work, cant you put a 454 crank in it and make a 427?
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Old May 8, 2009 | 07:47 PM
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When the motor goes south in my 96 I would love to put in a 454 smallblock, but my worry would be emission testing. Something tells me it won't be long till we have it in all 50states. Then there's the all aluminum LS swap. I hear they can take a 4" crank but still looking into the doable/cost of that swap.
My brother had one of those 396 blocks with the 2 bolt mains, he sold it with the 429SCJ block he was holding onto for a future project. I guess he needed the cash for something different.
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Old May 8, 2009 | 08:06 PM
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Originally Posted by qws
they've gotten few and far between
lots of BBC 396's around, few even bother to advertise for sale as interest is limited to camo/chevelle resto guys looking for 'correct' casting # and date code...$500 is way high unless you wanna resto a sedan that matches that one's #'s.
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Old May 8, 2009 | 09:18 PM
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Originally Posted by CorvetteMike2004
Not sure here, but with some machine work, cant you put a 454 crank in it and make a 427?
Yep.

But when you add up the machining costs, +the cost costs of 427 pistons (also expensive, at this point), you'd be money ahead to go 454/496, in the same external package...

While I love the sound of high-winding 396 BBC, they just can't hang when they're beat but 100 cubes.

Anyway, all IMO.

Regards,
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Old May 8, 2009 | 11:16 PM
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Originally Posted by breathial

For big performance, nobody screws with the "baby" rat motors, any more...
I wouldn't do a 396BBC anymore when you can build SBC's pushing 450ci+. 396SBC's are common, and you have a huge weight savings. If I was going BBC, it would be a 500 plus ci engine.
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Old May 8, 2009 | 11:28 PM
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buy that if you can a numbers matching chevelle 396 block for 500 bucks?youll make a killing,the last thing you would do is put that in a corvette.check to be sure but im thinking freakishly rare.re- sale and bank the profit.

Last edited by c-4 lhozwalte; May 8, 2009 at 11:30 PM.
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Old May 8, 2009 | 11:29 PM
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I personally wouldnt stick a BBC in a C4 simply because it throws off the F/R weight balance quite a bit. I would rather stick it into an old muscle car, that would be cool not to mention much easier.
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Old May 9, 2009 | 01:02 AM
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Default Bbc

I have a 396 in my 69 el camino. I like it. The sound, the low end torque, and the look of the massive heads and the best part is setting off car alarms in parking lots

Corvette Mike
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Old May 10, 2009 | 06:59 AM
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Default 67 396

I am in Fort Worth Texas and have been looking for a 67 block.I have intake and heads all date coded B-3-7.Are you dead set against shipping? My email is gthreadgill@charter.net
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Old May 11, 2009 | 02:38 AM
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Default 454?

Originally Posted by CorvetteMike2004
Not sure here, but with some machine work, cant you put a 454 crank in it and make a 427?
No.To make a 427 all you have to do is get a standard set of 427 pistons wich is 4.250 and bore the block to 4.250 and use a 396/427 crank.The cranks in 396 and 427 are the same.Boring 396 out to 4.250 is common.The 396 blocks have alot of meat and can be bored even larger than 4.250.
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Old May 11, 2009 | 02:47 AM
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Default 396 block

Originally Posted by qws
There a 396 block for sale locally for 500 bucks. Paperwork proves is been cleaned and magnafluxed by a local well known engine builder.Not that I would ever use it but thought since they've gotten few and far between maybe I'd pick it up just to have.
Is the price fair? opinions?
Thanks
If you dont want this block would you turn me on to it.I do vintage numbered up engines and need this block.Just let me know how to get in touch with who ever has it and let me try to talk them into shipping it.I have the whole top end dated B-1-7 and need a block to match.I have been looking for a while but want pay over 500.00 for it.Blocks like this go for around 250.00.If it was a 4 bolt then 500.00 and up is the going rate just depends how rare.2 bolts are not as rare as 4 bolt 67.
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Old May 11, 2009 | 09:44 PM
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Originally Posted by 1pistol1
I am in Fort Worth Texas and have been looking for a 67 block.I have intake and heads all date coded B-3-7.Are you dead set against shipping? My email is gthreadgill@charter.net

I'm not the one selling it.
Not even sure if I'd buy it.
If your intersted in it let me know and I can look at it for you.
I just sent you an email

Last edited by qws; May 11, 2009 at 09:48 PM.
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Old May 13, 2009 | 06:39 PM
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Originally Posted by 1pistol1
No.To make a 427 all you have to do is get a standard set of 427 pistons wich is 4.250 and bore the block to 4.250 and use a 396/427 crank.The cranks in 396 and 427 are the same.Boring 396 out to 4.250 is common.The 396 blocks have alot of meat and can be bored even larger than 4.250.
This is my first post here....Being as that I am a former engine builder for Racing Head Service in Memphis TN, this is something that I can answer...In order to build a 427 BBC, all you need is a 454 block, 427 pistons, and a crankshaft out of a 427, 396, or a 366 truck enginerings bearings and gaskets for a 454 is identical for a 427. All BBC connecting rods are the same, except the 7/16 bolt dimpled rods and the rods out off the truck engines (tall blocks). 427 and 396 cranks come in cast iron and forged steel, if you find a 366 engine for parts, it will have a forged steel crandk and better rods, everything else on the engine is usless. You also have to get the harmonic balancer from a 396 or 427, both of these engines are internally balanced and the 454 is externallay balanced.

Hope this cleared some of these questions up.

David
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Old May 19, 2009 | 09:44 AM
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Default 427

Originally Posted by bikertaz
This is my first post here....Being as that I am a former engine builder for Racing Head Service in Memphis TN, this is something that I can answer...In order to build a 427 BBC, all you need is a 454 block, 427 pistons, and a crankshaft out of a 427, 396, or a 366 truck enginerings bearings and gaskets for a 454 is identical for a 427. All BBC connecting rods are the same, except the 7/16 bolt dimpled rods and the rods out off the truck engines (tall blocks). 427 and 396 cranks come in cast iron and forged steel, if you find a 366 engine for parts, it will have a forged steel crandk and better rods, everything else on the engine is usless. You also have to get the harmonic balancer from a 396 or 427, both of these engines are internally balanced and the 454 is externallay balanced.

Hope this cleared some of these questions up.

David
Hi David, I know about the 454 blocks and making a 427 out of one.What they where asking about was using a 396 block.One guy thought if you used a 454 crank in a 396 block it would make a 427.I agree with you it is easier to use a 454 block and have more meat in the cly.I was trying to tell him that no a 454 crank want make 427 but a 396 block can be bored.I have not done the math but wonder what would a 454 crank with a 396 bore make?
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