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Old 12-01-2008, 03:32 AM   #1
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Default 454 BBC 500hp!!!!!

first and foremost thanks guys for viewing my post.
this is the background, i just bought a 454 bbc that came out of a 83 c20 or c30 dually truck, i bought it for really cheap and i will like to throw it into my 1970 chevelle.

i have NO idea about mechanics, or how engines work, all i know is that i will like at least 500 hp out the engine, im not trying to build a drag racer or anything like that, i just want a weekend cruiser with a little "humph" at the street light, i need your help because i have no idea what im doing ive never work on any car and i want to get it done right the first time.

so please please if you could guide me in doing this the right directions and maybe if could show me the steps on how i can get this motor to pump out 500 hp, maybe some model numbers & prices i i will greatly appreciated it.

the block i am working with is this.
UBA = 83 ,454 ,from C-20 & C-30 Truck , 230hp ,RPO code LE-8 ,w/Manual Trans , 4-Brl

thanks alot guys i really appreciated.
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Old 12-01-2008, 03:54 PM   #2
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Well Square port heads. at least 2.19 1.88 valves.

what block casting number is it. Hopefully it is not a tall deck block

Give me the casting numbers of the heads too take valve covers off to see them

11-1 compression with a lumpy cam and 2 inch primary headers.

more info and i can help.
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Old 12-01-2008, 04:14 PM   #3
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i know a guy in alabama that builds bad *** BBCs for a reasonable price, he wont try to feed you a bunch of bullshit or screw you over in any way. if you want his number PM me
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Old 12-01-2008, 07:03 PM   #4
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Your not asking for much, thats pretty easy to do with pump gas. I had a 454 with edelbrock performer heads and flat tops make 601 at the fly wheel with 93 in the tank.

Stay with a smaller cam, all your power is in the heads.
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Old 12-01-2008, 07:08 PM   #5
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the casting number for the off the engine
140154451

and the heads are
0334505
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Old 12-01-2008, 07:26 PM   #6
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14015445...454.......78-90...2 or 4 bolt
extra number you added thru me

The heads either you have the wrong number or you are reading it wrong
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Old 12-01-2008, 07:52 PM   #7
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Quote:
Originally Posted by 1NKRED1BLE View Post
first and foremost thanks guys for viewing my post.
this is the background, i just bought a 454 bbc that came out of a 83 c20 or c30 dually truck, i bought it for really cheap and i will like to throw it into my 1970 chevelle.

i have NO idea about mechanics, or how engines work, all i know is that i will like at least 500 hp out the engine, im not trying to build a drag racer or anything like that, i just want a weekend cruiser with a little "humph" at the street light, i need your help because i have no idea what im doing ive never work on any car and i want to get it done right the first time.

so please please if you could guide me in doing this the right directions and maybe if could show me the steps on how i can get this motor to pump out 500 hp, maybe some model numbers & prices i i will greatly appreciated it.

the block i am working with is this.
UBA = 83 ,454 ,from C-20 & C-30 Truck , 230hp ,RPO code LE-8 ,w/Manual Trans , 4-Brl

thanks alot guys i really appreciated.
I think I saw your post over on team chevelle. 500hp is no problem with a 454+ BB chevy. I build a lot of 468~505 CI BB chevys between 575~800HP on pump gas. I work with vortec pro over on team chevelle. I would stay away from the rectangle port heads. All you need is a good set of 049/781 LG oval port heads, with minimal porting, 9:1 CR, RPM intake, and ~230@.050'', .540~.560''.
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Old 12-01-2008, 09:55 PM   #8
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i say between 9 to 9.5 compression go ahead and put a roller cam in it will be way more reliable and a descent set of heads and like ^^^ he said stay with a relatively small runner people will try to talk you into huge runners but unless your building a wild motor they will just make you have no bottom end at all
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Old 12-02-2008, 02:49 AM   #9
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big block close chamber or or open chamber?
cast iron or aluminum's?
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Old 12-02-2008, 08:17 AM   #10
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Definitely want open chamber. Aluminum for weight since BBC heads are boat anchors. Patriot makes a decent set of square port heads on ebay. and they barely outflow a big oval port head like 700 bux and i think you can get them assembled complete like 1100. ME personally if it is going to see some street time then go with a hydraulic roller conversion. Unless you like adjusting lash all the time go with a mech roller. But you dont seem like the type.
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Old 12-02-2008, 08:17 AM
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