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choosing the right heads for a 350

  
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choosing the right heads for a 350

 
sduperbad350ci sduperbad350ci
New User | Posts: 1 | Joined: 05/09
Posted: 05/07/09
05:45 PM

I have a 350 with forged crank rods and flat top pistons with valve reliefs in them i have an edelbrock rpm flat tappet cam i just installed, i also have a professional product crosswind,but he problem now is finding the right set of heads for it since mine are 882 casting. its going in a 85 4x4 chevy pickup with a built 700r4 with 3.73 gears  

 
SMOKESHOW SMOKESHOW
Guru | Posts: 953 | Joined: 09/08
Posted: 05/07/09
06:14 PM

I think summit has some heads that are reasonable, look for around a 64cc chamber with an intake runner of 160-180cc's and you should be in good shape.

Good luck and post your results.  

 
BIGDAVES66 BIGDAVES66
New User | Posts: 15 | Joined: 05/09
Posted: 06/04/09
09:28 AM

I WOULD GO WITH A SET OF PRO COMP ALUMINUM HEADS.YOU CAN GET THEM FOR UNDER $700 A SET ON E BAY AND THEY WORK GREAT.MAKE SURE YOU GET THE 210CC ONES.  

 
Pontiacman2 Pontiacman2
Guru | Posts: 755 | Joined: 09/08
Posted: 06/04/09
11:05 AM

The summit heads would be your best bet they have 165cc runners and 67cc chambers the pro comp heads are junk.  
Horsepower sells Engines and torque wins races.

 
BIGDAVES66 BIGDAVES66
New User | Posts: 15 | Joined: 05/09
Posted: 06/05/09
04:54 AM

I GUESS RUNNING A 12.20 AT 115 WITH JUNK HEADS ISNT BAD.  

 
blacksheep84 blacksheep84
Enthusiast | Posts: 263 | Joined: 02/09
Posted: 06/05/09
05:09 AM

i cant agree with either of you guys , since your going forged all around u might want to get all that u can out of the engine , so i think afr or trick flow heads is the route you want to go for the most power.

if your making a budget build then maybe go with bigdave or pontiacs suggestion but it dosent look like a budget build.  

 
Pontiacman2 Pontiacman2
Guru | Posts: 755 | Joined: 09/08
Posted: 06/05/09
06:34 AM

He is using a professional products intake which is a chinese product so those afr or trick flow heads would be a waste.  
Horsepower sells Engines and torque wins races.

 
shootnrats shootnrats
User | Posts: 177 | Joined: 08/08
Posted: 06/05/09
06:53 AM

I am running procomp aluminum 210cc heads, all components are top of the line..valves,springs,keepers..ect.

I highly respect your opinion pontiac...why do you consider them "junk"?  

 
GibTG GibTG
Moderator | Posts: 1904 | Joined: 10/03
Posted: 06/05/09
01:45 PM

Pro Comp heads may be sufficient but they are surely NOT top of the line.

There is nothing innovative about any of their designs, they are cheap, copy-cat remakes. AFR is using small metric-sized valve stems and companies like Dart are attempting to optimize wet-flow characteristics where companies like Pro Comp wait inline to copy the next new idea.

Cylinder heads like this can make decent power depending on the proficiency of the design that was copied or the execution of the "copy."  

 
Pontiacman2 Pontiacman2
Guru | Posts: 755 | Joined: 09/08
Posted: 06/05/09
02:47 PM

They are cheap knockoff's and are poorly designed and have weak castings and even though they copy from better designed heads they never measure up that's why they are cheaper.  
Horsepower sells Engines and torque wins races.

 
GibTG GibTG
Moderator | Posts: 1904 | Joined: 10/03
Posted: 06/05/09
03:05 PM

Yes I should rephase my last statement.

Heads like Pro Comp, or other copy-cat companies, MAY OR MAY NOT make decent power depending on how well they execute their "copy" of a design. Commonly machining tolerances are too wide and the materials used are unsatisfactory with these kind of heads.  

 
zman123 zman123
User | Posts: 135 | Joined: 06/08
Posted: 06/08/09
02:46 PM

Since you are using an Edelbrock RPM cam try looking at the rest of the Edelbrock Power Package, Heads and intake. Edelbrock tests all of these combinations together on Dynos to come up with the best combination. Everything is designed to work together and you don't have to try and figure out if the parts will work together the best. I'm pretty happy with my Edelbrock Performer heads and they were tested against a bunch of other heads on the same engine (in this mag) Good luck.  

 
s-10er s-10er
New User | Posts: 11 | Joined: 11/08
Posted: 06/08/09
05:19 PM

Hard to beat Summit's Vortec cast iron heads if you are on a budget($650), if not Edelbrock or Trick flow make a good choice. Smokeshow's advice is right on for a heavy truck 160-180cc intake is good for torque and the RPM cam, and 64cc will up compression a point from the 882's.  

 

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