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Old 03-08-2012, 09:10 PM
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Big power small block

Hey Im wanting to build a mean 350. I have a bare block and I am willing to spend 2 - 3 grand. Does anyone have any advice on some good parts that make good power? Should I use a stock crank? what about. Rods, pistons, heads, valves, cam, intake?

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Old 03-08-2012, 09:19 PM
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To me "mean" says all forged, top of the line parts and machine work. Describe mean, you might want to rethink your budget of $2 to $3k if starting from scratch. Then do a search here for 350 builds, there are hundreds of them.
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Old 03-08-2012, 09:46 PM
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Well I guess something around 450 horsepower. Thats mean enough for me. I guess first things first is the crank. Ive been shoppin around but cant figure out what to go with. ????????????? Could I just use a stock crank. What about a 9000 Pro Comp Stroker Crank.

http://www.jegs.com/i/Scat/942/935050/10002/-1
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Old 03-08-2012, 10:44 PM
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396 stroker

man do some research, A buddy of mine bought a 350 block and put a sbc 396 stroker kit in it! It will give you the power you want I think! Look around on ebay and Ect, They have stroker kits available , get a forged assy. don't go over 10.1 with Iron heads and you could get away with 11:1 with aluminum heads. We have him a set up ready to put together to see what it will do. You could do it . You'll have to do some clearance on the block! But not much more than if you did a 383. and it will run on pump gas.
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Old 03-09-2012, 12:30 AM
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Are you looking for a build recipe to make 450hp with a 350 or 383?

What vehicle? What purpose? Supercharged?,, N/A?
Do you have a specific 1/4 mile performance target goal? (Horsepower/vehicle weight) details matter.

I have never seen a stock cast GM 350 crankshaft break.
I have never seen a stock cast GM 400sbc crank break.

The Scat cranks and connecting rods have a good reputation.
Lots of ways to skin this cat.
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Old 03-09-2012, 12:35 AM
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Originally Posted by F-BIRD'88
I have never seen a stock cast GM 350 crankshaft break.
I have never seen a stock cast GM 400sbc crank break.
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Old 03-09-2012, 12:41 AM
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Quote:
Originally Posted by allansmith859
Well I guess something around 450 horsepower. Thats mean enough for me. I guess first things first is the crank. Ive been shoppin around but cant figure out what to go with. ????????????? Could I just use a stock crank. What about a 9000 Pro Comp Stroker Crank.

http://www.jegs.com/i/Scat/942/935050/10002/-1
That is a weird crank. It is a 3.750" stroke (350 is a 3.48" stroke) and a 5.7" rod (which is what the 350 and other small blocks use). The 400 uses a 5.565" rod. Maybe the rod journal sizes are different?

You can put in a 400 crank in a 350 to make a 383, but that is going to require some additional machining to the block, as well as other design considerations. If you decide to go the 383 route there are many different all in one kits available (crank, rods, pistons, rings, etc) that can save you a LOT of money. Piecing together a 383 would get costly.
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Old 03-09-2012, 01:17 AM
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That crank is the standard way now days to build a 383. It has the main bearin size to drip right into a 350 block and the counterweights are set up for a standard 350 rod. It's cheaper to buy that crank and reuse 350 rods than to get the machine work done on a 400 crank to put it in a 350 block.
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Old 03-09-2012, 07:08 AM
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Quote:
Originally Posted by Silver Surfer
That is a weird crank. It is a 3.750" stroke (350 is a 3.48" stroke) and a 5.7" rod (which is what the 350 and other small blocks use). The 400 uses a 5.565" rod. Maybe the rod journal sizes are different?

You can put in a 400 crank in a 350 to make a 383, but that is going to require some additional machining to the block, as well as other design considerations. If you decide to go the 383 route there are many different all in one kits available (crank, rods, pistons, rings, etc) that can save you a LOT of money. Piecing together a 383 would get costly.
You can get it in a kit. It'd a 3:9/16 stroke, Rods are 6" I' think he paid 14-1500.00 for the kit crank , rods, forged pistions. the rest of the stuff was scat. Man over the years I have learned build the biggest you can afford!! The 383 and the 396 both reQuire about the same amount of block clearence.
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Old 03-09-2012, 09:13 AM
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Spend your limited amount of money on the top end-cylinder heads, first . Thats where all the power is. A 350 with a good top end will out power any 396 stroker with a limited cheap top end package.
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Old 03-09-2012, 07:06 PM
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My Freind

Quote:
Originally Posted by Silver Surfer
>>had his 327 break with 20k miles on it 1963
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Old 03-09-2012, 07:28 PM
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That's not much of a budget to work with to try to hit 450hp. You'll need good heads which will eat up $1250ish right there.
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