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Old 12-25-2012, 10:07 AM
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SBC Engine Build

Me and my brother are doing a ground up on hiss 66 Acadian. It it still on the rotissorie but it is time to start thinking about a motor. He has a 327 that came with the car but he is thinking he wants to step up the cubic inches. He is thinking 383. It will be a street car but he wants to make some decent HP/TQ(450 ish). I have a couple questions for you guys.

1- is there any thing that can be done with that 327 to achieve the desired goals?

2- I was thinking we could pickup up an assembled short block 350 or 383 and build it up from there. Who makes a good assembled short block? I see summit sells and assembled 350 short block made by ATK for 1300$ anyone know anything about this company? Or use there products?

I would like to do hydraulic roller and aluminum cylider heads. I'd like to be into it for around 5k.

Any input much appreciated and let me know if we need more info


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Old 12-25-2012, 10:15 AM
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I love the 327 Chevy and that's what I would build, but if you want a 383 I'd start with a 350, and keep the 327. 350's are a dime a dozen, so a builder can often be found for $100 or less for a short block.
For $5k you can easily build a 383, but if you mentioned you wanted to build one up, and then you're talking of buying a 350 short block? I'm confused if you are set on a 383 or a 350? If you're going to build a 383, then don't buy a rebuilt 350 short block. Many companies sell 383 rotating assemblies to put in a 350 block, so all you need to do is get a 350 bare block with main caps and have the machine work done, then bolt in the rotating assembly to make it a 383. Be sure whoever does the work knows your plans, and has the assembly so they can properly clearance the block for the long stroke.
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Old 12-25-2012, 10:34 AM
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Not set on 383. If we go down that road it either going to be an assembled 383 short block or an assembled 350 short block (sorry for the confusion). Time is also apart of it. He wants to try and have it going for summer
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Old 12-25-2012, 10:50 AM
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Check out Skip White Performance. I ordered one of their 383 short blocks, $1845 shipped. But I see they just raised their price $100. I just assembled it 3 days ago. I recieved it about 4 working days after ordering.
350 hyd roller 4 bolt main .030" over, clearanced for stroker crank
Scat 9000 crank 3.750" stroke
Scat 168 flexplate
Probe flat tops -4cc floating pin spiral lock (you can choose flat tops or dished)
King bi-metal main & rod bearings
Hastings rings
Speed Pro balancer
Pro Comp H beam rods, 7/16" 8640 low profile bolts.......I read at least 60 diff threads on these Pro Comp rods and 98% of people say stay away from them, but they didn't have personal experiance with them. Mainly hear say horror stories. (I'm sure there are personal horror experiances, I just didn't run onto them). I found, I think 2 people that have used them with no issues. They mic'd perfect and I'll be under 500 hp, so I think they will suit me.
It looks like your brother is looking for what I am. A fun street motor under 6000 rpm.

They externally balance it.

Every tolerance on the block and component measured perfectly. (I'm a 10 yr machinist, oilfield. My measurements are accurate.)

I have no affiliation with Skip White. I just give credit when credits due. Once I get this engine running, I'll put out an honest review on all the parts.
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Old 12-25-2012, 12:31 PM
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Thanks suspect. Ill check out skip whites site. Let us know how you make out.

Hey F bird. Any chance you can throw a quick parts list together for me. I really don't know anything about the 327. I would assume it would a low compression motor??? Guess I won't know for sure until I pull the heads and see what lies undernieth??
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Old 12-25-2012, 01:39 PM
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Cool!! Thanks Fbird. What do you think would be an appoxament cost of this engine if I drop the block at the machine shop and have them do the machining and assembely of the bottom end. Then I will pick it up and do the bolt on stuff ie cam, heads etc. When you say "it will deliver the goods". What are you thinking for HP and tourqe and what rpm range will it make that power.

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