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Old 08-24-2011, 04:44 PM   #1
Jparks
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383/th350

Smeding 383/Built TH350

504hp/490tq

Block:
New GM 4 Bolt Main
4.003" bore
One piece rear
Diamond Honed

Crankshaft:
3.800" Stroke
Micro polished and chambered

Rods:
5.7" Center-to-center

Pistons:
Hypereutectic
Zero Deck Height

Heads:
AFR custom, straight plug
2.02"/1.60" Stainless valves
75cc Chambers/180cc Intake
Full CNC

Carb:
750 cfm quickfuel double pumper

Manifold:
Performer RPM Air-gap dual plane

Cam:
Custom ground hydraulic roller
.510" intake/.521" exhaust lift
231 intake/ 236 exhaust duration @ .50"
111 lobe center

Rockers:
1.5:1 full roller

91 octane
6200 Maximum RPM

****Front Runner system is not included with the engine****

Have dyno sheet and build sheets

smedingperfomance.com

New Price $4000 obo for motor and trans(pickup only)
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Last edited by Jparks; 09-16-2011 at 11:08 AM. Reason: New Price
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Old 08-24-2011, 04:52 PM   #2
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Re: 383/th350

Nice! You must be going LS..
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Old 08-24-2011, 05:01 PM   #3
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Re: 383/th350

na, just bumping the displacement up a little, found a reputable company that makes a killer built 427 that keeps calling my name
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Old 08-24-2011, 06:49 PM   #4
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Re: 383/th350

427 small block?
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Old 08-24-2011, 07:07 PM   #5
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Re: 383/th350

How long have you had them and how many miles on them?
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Old 08-24-2011, 07:37 PM   #6
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Re: 383/th350

Dyno sheet please.
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1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner.

1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components.

My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703
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Old 08-24-2011, 08:25 PM   #7
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Re: 383/th350

screamin - yeah 427 small block

big blue - long story a little shorter, they probably have less than 2000 miles on them, i've had them for a year, which the longest drive i made on them was driving it home from where i bought it, about 130 miles, since then it's been at the body shop 5 months out of the year and been on stands for the last 3, i probably drove it 15 times on 10 mile or so trips because after I got it back from the body shop it didn't have a seat in it, not too much fun riding on a milk crate, the previous owner who purchased the motor from smeding told me it had less than 1500 miles on it when i bought it from him, I have receipts for the motor and receipts for the trans work, they are at my office so I don't know when the motor was built or when the trans work was done, i can find out tomorrow for sure, I want to say 3 years ago but i'll find out in the morning

lee h - the dyno sheet is also at my office, i'll get a pic uploaded in the morning
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Old 08-24-2011, 09:23 PM   #8
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Re: 383/th350

You will love the 427 small block that's what I have in mine
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Direct dealers for..

Vintage Air, Porterbuilt, Billet Specialties,Budnik wheels ,eddie motorsports, raceline wheels, intro wheels, Dakota Digital, precision, unisteer, Trimparts, and many many more... Laid Back Recreations.. Full restoration shop and full paint and body..

Kyle

http://67-72chevytrucks.com/vboard/s...d.php?t=574629
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Old 08-24-2011, 10:06 PM   #9
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Re: 383/th350

Screamin where did you get your motor from, ive been looking up different places and cross checking them on the web, got a place in mind but I'm always open to suggestions
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Old 08-24-2011, 11:01 PM   #10
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Re: 383/th350

Quote:
Originally Posted by Jparks View Post
Screamin where did you get your motor from, ive been looking up different places and cross checking them on the web, got a place in mind but I'm always open to suggestions
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Morgan and Son in Dallas builds killer stuff.
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Old 08-24-2011, 11:42 PM   #11
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Re: 383/th350

My uncle owns a machine shop here in oklahoma i do all my work there
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Direct dealers for..

Vintage Air, Porterbuilt, Billet Specialties,Budnik wheels ,eddie motorsports, raceline wheels, intro wheels, Dakota Digital, precision, unisteer, Trimparts, and many many more... Laid Back Recreations.. Full restoration shop and full paint and body..

Kyle

http://67-72chevytrucks.com/vboard/s...d.php?t=574629
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Old 08-24-2011, 11:56 PM   #12
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Re: 383/th350

Gearhead thanks I'll check it out

Screamin that's got to be convenient, must save you a good bit of change
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Old 08-25-2011, 12:16 AM   #13
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Re: 383/th350

Yes it makes it nice but the parts are still high to build a motor like that atleast one that is gonna last
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72 chevy swb


Direct dealers for..

Vintage Air, Porterbuilt, Billet Specialties,Budnik wheels ,eddie motorsports, raceline wheels, intro wheels, Dakota Digital, precision, unisteer, Trimparts, and many many more... Laid Back Recreations.. Full restoration shop and full paint and body..

Kyle

http://67-72chevytrucks.com/vboard/s...d.php?t=574629
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Old 08-25-2011, 12:32 AM   #14
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Re: 383/th350

Yeah the 427 I've been looking at is around $9k, you mind if I pm you a brief parts list tomorrow and you can tell me what you think
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Old 08-25-2011, 01:15 AM   #15
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Re: 383/th350

Sounds good
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Direct dealers for..

Vintage Air, Porterbuilt, Billet Specialties,Budnik wheels ,eddie motorsports, raceline wheels, intro wheels, Dakota Digital, precision, unisteer, Trimparts, and many many more... Laid Back Recreations.. Full restoration shop and full paint and body..

Kyle

http://67-72chevytrucks.com/vboard/s...d.php?t=574629
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Old 08-25-2011, 10:43 AM   #16
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Re: 383/th350

Lee H here is the dyno sheet

Motor was shipped out new on 8/18/08, dyno tested on 8/8/08, trans was rebuilt on 8/15/08
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Old 08-25-2011, 10:44 AM   #17
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Re: 383/th350

I'm willing to listen to offers also
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Old 08-25-2011, 11:16 AM   #18
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Re: 383/th350

Would you be interested in selling just the carb
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Direct dealers for..

Vintage Air, Porterbuilt, Billet Specialties,Budnik wheels ,eddie motorsports, raceline wheels, intro wheels, Dakota Digital, precision, unisteer, Trimparts, and many many more... Laid Back Recreations.. Full restoration shop and full paint and body..

Kyle

http://67-72chevytrucks.com/vboard/s...d.php?t=574629
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Old 08-25-2011, 11:57 AM   #19
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Re: 383/th350

I would but I'd like to try to sell it as a package first
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Old 08-25-2011, 04:30 PM   #20
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Re: 383/th350

Sounds good let me know
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72 chevy swb


Direct dealers for..

Vintage Air, Porterbuilt, Billet Specialties,Budnik wheels ,eddie motorsports, raceline wheels, intro wheels, Dakota Digital, precision, unisteer, Trimparts, and many many more... Laid Back Recreations.. Full restoration shop and full paint and body..

Kyle

http://67-72chevytrucks.com/vboard/s...d.php?t=574629
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Old 08-25-2011, 10:19 PM   #21
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Re: 383/th350

After checking around I feel I may be asking too much for this, I'm gonna change the price to $4500obo, still pick up only
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Old 08-28-2011, 01:53 PM   #22
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Re: 383/th350

Any interest offers, I also have a new set of shorty headers that'll go with the package
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Old 08-29-2011, 09:01 PM   #23
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Re: 383/th350

Exactly what I need, i just don't need it right now. Bummer!

Bump for you.
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Old 09-01-2011, 12:41 AM   #24
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Re: 383/th350

Any offers?
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Old 09-16-2011, 11:08 AM   #25
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Re: 383/th350

new price $4000
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