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  #16 (permalink)  
Old 12-18-2012, 02:21 PM
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I do not understand the question at all?

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Old 12-18-2012, 02:35 PM
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I am just wondering what the difference in horsepower and torque between the 505 and the 468
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Old 12-18-2012, 03:22 PM
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The difference between 468/505? depends on configuration.If everything is identical except the cubes,the 505 will make the same power(or a bit more because of the bore) but at a lower RPM.
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Old 12-18-2012, 03:37 PM
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If I do the 505 I'm getting aluminum heads but if I do the 468 I'm using the rectangle ports. I'm keeping the same cam. I know it's hard to tell but would it hit the 800 hp range?
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Old 12-18-2012, 03:41 PM
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give me your parts list.Aluminum heads is no where near enough to make 800 HP with out lots of help.

Thats a lot of HP
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Old 12-18-2012, 04:36 PM
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Honestly, I havnt made one completely but looking into the AFR heads that big cam and probably a scat stroker kit. And any reccomendations.
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Old 12-18-2012, 04:55 PM
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you will need at least 357 cc AFRs to make 800 hp
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Old 12-18-2012, 05:03 PM
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big "M" block.,,callies dragon slayer 4.375 crank,,,11 ish:1,,,merlin intake,,,1050 HP,,,, 357 heads,,,crower or corillo rods,,,
maybe tech can perfect match CR ?
this would be 580 inch
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Old 12-18-2012, 06:20 PM
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.. 107cc chambers seem huge for '67-'69 396" (402") BBC car heads... this size BBC engine little different from SBC 400 dimensions... are those small valve peanut port truck heads?

Last edited by BuzzLOL; 12-18-2012 at 06:28 PM.
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Old 12-18-2012, 08:09 PM
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Quote:
Originally Posted by BuzzLOL View Post
.. 107cc chambers seem huge for '67-'69 396" (402") BBC car heads... this size BBC engine little different from SBC 400 dimensions... are those small valve peanut port truck heads?
These were the "bad boy" 396 heads. Rectangular ports, closed chambers, 106/107 cc's.

After thinkin' this over, I think I'd align-hone or align-bore the mains, cut the block decks to square according to the stack measurement, bore and hone the block to +0.060" with torque plates, install the JE domed pistons, clearance the domes to the chambers, slide that big bumpstick back into place and go have fun. You'd be in business for less than a grand. It wouldn't make 800 hp, but it would make enough to have some fun with and you wouldn't be out of pocket so much.

Last edited by techinspector1; 12-18-2012 at 08:21 PM.
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Old 12-19-2012, 04:47 AM
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What would you figure it would make ? Because I just might do that , there's always next time for an upgrade lol.
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Old 12-19-2012, 07:28 AM
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Mechanical Roller-Fast Bracket / Super Comp. 5000 stall or 4-speed, 454+ engine.
I dont understand building a 12k+ engine to fit a $400.00 cam?
If you use the stock square port heads,I think you should buy some severe duty stainless valves
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