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  #61 (permalink)  
Old 12-18-2012, 07:17 AM
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choose a power out put you want ///need? The AFR 180s are fantastic heads too. If I built a torquey,lower out put street engine(450 horse + or _) I would use 180s. I would consider a hydraulic roller too,but thats not what I like for my use.
If I was building a 530 HP 383,I would use 195s,a moderate solid roller,850 holley etc

My personal street engine has 227 dart heads for comparison,,,,it makes a little more power

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  #62 (permalink)  
Old 12-18-2012, 08:21 AM
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SBC 355 Performance Build

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Originally Posted by ChevroletSS View Post
Thanks for the help guys, it was very helpful. One more thing. Just curious to how a 400 crank in a 355 makes it have 28 more c.i.. I thought cubic inches was the space that the engine had.
Here is the formula for cubic inch displacement. bore X bore X 0.7854 X stroke X numbers of cylinders 4.030 x 4.030 x 0.7854 x 3.750 x 8 = 382.66805 round to 383 ci.
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  #63 (permalink)  
Old 12-18-2012, 09:07 AM
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If your looking at a 355-180cc intake runner would be good,if your looking to build a 383,195cc runner would work well with selecting the correct cam.

I do look forward to this thread going through the actual building phase.

Remember.Hydro roller cams have a much better profile.No worries about break-in either.


Want to add,excuse the way I put things.I post like I would talk to you if you where in front of me.In that case I wouldn't start each thing like I suggest.Yeah I do get direct at times.It's just me and I don't mean anything by it.

Last edited by 1Gary; 12-18-2012 at 09:12 AM.
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Old 12-18-2012, 10:47 AM
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I respect that, I know that typing/texting sometimes comes off wrong. But anyway I guess what Im trying to figure out is how to get more for my money. I read a article on bowtie large port vortecs (215cc) against stock vortecs. (170cc) The large port had I think it was 9 more HP and I think it was like 17 more TQ. Now I know it all depends on what parts you use but I mean would I get just as ggod results in a 383 using stock vortec over the afr 195cc heads.
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  #65 (permalink)  
Old 12-18-2012, 11:18 AM
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the best bang for your bucks is by matching the parts. tech is very good at matching combinations.

simple head info,its all math,,,,
if the heads flow "X",lets say 200 cfm for example,working with a v-8,double the CFM for a street able HP potential when properly combined with the other parts. The valves and runners contribute to CFM volume potential,though not all are equal,example An AFR 180 cc intake runner head might flow more than a 195 from someone else,,,or:
A 170 vortec head will flow more air than an old camel bump 2.02,even though the vortec has 1.94 valves.

If you put a 1050 dominator carb on your 350,it will flow more than your engine needs,even though its not much more money than a 750 HP.Its obvious what carb to use,similar math for choosing heads.

How much HP do you need?how much can your car handle? what type of driving fits the engine you are willing to build?
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Old 12-18-2012, 11:56 AM
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Well 500 is the limit. Id like to get close to that thats why I chose the 195cc AFR heads cause techinspector showed me dyno results using these. I thinkin Im putting this in my 94 c1500 which weighs around 3500 to 4000. I would be using this for cruising. maybe try it at the drag strip, maybe. Def use it to haul wood, trailer, etc...


Dyno Test Criteria


Horsepower:500 HP
Engine:383ci
Heads:AFR Street 195 Cylinder Heads
Compression:9.5
Carburetor:Holley 0-4779 750 cfm
Ignition:MSD Distributor 36 Timing
Cam:Comp Cams 12-433-8 Hyd Roller Cam
Exhaust:1 3/4" Headers
Fuel:93 Octane Pump Gas

Last edited by ChevroletSS; 12-18-2012 at 12:03 PM.
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  #67 (permalink)  
Old 12-18-2012, 12:09 PM
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that sounds like a fun combo.will come to life at 2k and pull to 5500 or a bit more.should have a nice idle
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Old 12-18-2012, 01:12 PM
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Quote:
Originally Posted by ChevroletSS View Post
Well 500 is the limit. Id like to get close to that thats why I chose the 195cc AFR heads cause techinspector showed me dyno results using these. I thinkin Im putting this in my 94 c1500 which weighs around 3500 to 4000. I would be using this for cruising. maybe try it at the drag strip, maybe. Def use it to haul wood, trailer, etc...


Dyno Test Criteria


Horsepower:500 HP
Engine:383ci
Heads:AFR Street 195 Cylinder Heads
Compression:9.5
Carburetor:Holley 0-4779 750 cfm
Ignition:MSD Distributor 36 Timing
Cam:Comp Cams 12-433-8 Hyd Roller Cam
Exhaust:1 3/4" Headers
Fuel:93 Octane Pump Gas

Do you have the engine??. Well even if you do,a donor truck roller block yrs 96 to 2000 would be a good idea. Yepper-that looks like a good plan above. Only thing that might be a better build for your use would be a LSx.
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Old 12-18-2012, 01:50 PM
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This is too bad deal,but you'll find if you call Competition Products you might find a better package price that isn't listed on their web site.

Howards, Pro Series 4340 Crank, Chev SB, 350 x 3.750 x 5.700-Competition Products
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Old 12-18-2012, 02:47 PM
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Dam thats a nice piece of metal. I dont think ill need that much of a crank. Im probably going to get a rotating assembly kit. If its internally balanced do I not need a hamonic balancer? Also does anyone know where to get gallery plugs and dow pins.
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Old 12-18-2012, 06:08 PM
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Quote:
Originally Posted by ChevroletSS View Post
Dam thats a nice piece of metal. I dont think ill need that much of a crank. Im probably going to get a rotating assembly kit. If its internally balanced do I not need a hamonic balancer? Also does anyone know where to get gallery plugs and dow pins.
The shop that has your block can install new oil galley plugs and dowel pins.
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Old 12-18-2012, 07:06 PM
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I do have a roller block in awsome shape. If you seen my other post about main bearings and a crank thats what they came out of. Ive decided to get all the parts listed above for the roller so I can squeeze more RPMs out. I got two 906 vortecs in the basement to that seem to be ok not cracked which would be a miracle. I hate to spend money on them but I gotta get them checked just in case. So the 355 Im gettin back freshly redone Ill make my 383 vortec truck motor and the 94 chevy roller block Ill make my bad a s s street motor with the parts above. That only makes more sense to me anyway. But I gotta find a new machinist cause this guy takes to long. He tried tellin me yesterday that if he has to line hone it Id be better off gettin a new block. Thats BULL He also said that drilling holes to make it a 4 bolt main makes it weaker. That dont seem right. So guys look for a new post called 383 performance build (continued) as I am changing plans for this block and When I get my forged bottom end for my roller Ill start one for that with the parts above. Ill keep you all posted.

Last edited by ChevroletSS; 12-18-2012 at 07:20 PM.
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  #73 (permalink)  
Old 12-18-2012, 07:09 PM
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Quote:
Originally Posted by ChevroletSS View Post
Dam thats a nice piece of metal. I dont think ill need that much of a crank. Im probably going to get a rotating assembly kit. If its internally balanced do I not need a hamonic balancer? Also does anyone know where to get gallery plugs and dow pins.
How about if you could get that for say $450??. They have a section called "The broom". It's where they sell off over stocks and stuff they used just for shows. Howards also sells rotating assemblies. They are a step up from the "deals" I spoke about and not the high end price,but certainly middle of the road. Call them up and ask to speak to the tech dept telling them what you doing and have a interest in the Howards stuff. See if they have any sales going on that brand name.
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Old 12-19-2012, 08:40 AM
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Thanks for the tip on that website. Ill def get a forged crank for around 500
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Old 12-19-2012, 07:43 PM
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SBC 355 Performance Build

Here is a set of heads that is on Brodix website that was dynoed on a 350, flat top pistons with a Callies Compstar forged crank and 6" forged rods, and COMP CAMS Hyd Roller Cam, advertised duration 293/299, .540/.562 lift, 112 LSA ICL 108.5. 568 hp @ 6000 rpms and 542 lbs torque @ 4700 rpms. Brodix Cylinder Heads IK 200 Cylinder Heads for Small Block Chevy 1021001 - SummitRacing.com
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