I'm going to be putting a carburated setup on my 350 and I am looking for some performance aluminum sbc heads, I prefer a pair of heads that don't need any machining done to them, something I could basically just bolt on. If anyone knows of anything local and cheap please let me know. Thanks.

 

How about a set of Edelbrock performer RPM heads. Used they are off my gramps small block S-10. They have about 3,000mi on them.

I live in Spring Lake,MI just west of Grand Rapids on the lake.

 

Depending on how long you can wait, my father is planning on upgrading to some fast burn heads for the ZZ4 that's in his Vette. When this happens we'd be willing to sell the stock ZZ4 aluminum heads.

 

Jim...
I was under the impression a ZZ4 had a fast burn burn chamber???
What other fast burns are you going to run???
...would it be these:

12464298 Cylinder Head "Aluminum Fast Burn"
The all new 23° Fast Burn small block cylinder head has the highest performance potential of any 23° small block head developed by GM. The Fast Burn head combines new technologies with the best of GM motorsports and production cylinder head technologies. The design creates tremendous power on engines from 350 to over 400ci. The name "Fast Burn" refers to the head's ability to quickly and completely burn the air fuel mixture, resulting in higher cylinder pressures and more power. The shape of the combustion chamber is designed to accomplish this "Fast Burn" with flat top pistons, so flat top pistons are recommended with this cylinder head. It is not recommended that the combustion chamber be modified or reshaped, as this could decrease the efficiency of the chamber. This head is designed with a .400" deck. This new technology removes material from other portions of the head, allowing for considerably larger ports and water jacketing. The deck also provides unsurpassed clamping force for cylinder head gasket retention. The super rigid .400" deck thickness can be machined down to .340" safely for all-out performance applications and higher compression. Other ways to adjust compression ratio with the Fast Burn head include top of piston design and piston installed height. Unlike the GM Performance Parts Bow Tie heads and most aftermarket performance heads, this head requires no additional porting for maximum performance. In the past, the industry has added material to heads to allow substantial porting, which can result in poor "out-of-box" performance and additional cost. The Fast Burn head utilizes GM Performance Parts' Cast-Ported technology, which means that improvements in flow, combustion and cylinder fill were incorporated into the machining tooling, achieving maximum performance "out-of-box". While additional porting is not recommended, light sanding to remove minor casting imperfections and polishing of combustion chambers and exhaust ports is acceptable. All Fast Burn heads are CNC machined to exacting tolerances, thus eliminating the need for "blue-printing" of machined tolerances, resulting in a cost savings and unsurpassed "out-of-box" performance. This head has taller than typical rocker cover rails, providing exceptional clearance for rocker arms and valve train supports typically used in all out performance applications. The rocker rails are CNC machined for superior rocker cover gasket sealing. Front head faces are drilled and tapped for typical accessory drive bracketry. The Fast Burn head accepts both center bolt and early style four bolt flange mount valve covers. Signature etched with GM Performance Parts logo. Intake manifold mating surfaces are drilled and tapped for both Vortec and conventional raised port style manifolds. "D" shaped 78cc exhaust port and runners provide adequate flow for applications well in excess of 500 hp. Raised runner (.240" higher than conventional 23? head) intake ports with 210cc ports and runners provide adequate flow for applications well in excess of 500 hp. Raising the top of the intake valves provides a better "line-of-sight" through the port and onto the back side of the intake valves. The 62cc fast burn combustion chambers - the most efficient ever to be incorporated on a GM Performance Parts cylinder head - produce higher cylinder pressures by burning more of the available fuel before the piston starts its power stroke downward. By more completely using available fuel, the engine produces more power per quantity of fuel. The 2.00" hollow stem lightweight intake valves are utilized to reduce loads on valve train systems at high rpm's. The 1.55" sodium filled lightweight exhaust valves have all the same benefits of the hollow stem intake valves, and additionally they are able to perform under extremely high-temperature performance applications. This head has specially designed "deep" valve seats which can accommodate up to 2.02" intake valves / 1.600" exhaust valves. Lightweight valve spring retainers combine with the lightweight valves to help ensure long-term high rpm durability. Screw-in 3/8" rocker studs are used, and accept most available roller rocker arms. Uses all conventional "low cost" readily available 23° rocker arms and valve train supports and hardware. This head is a bolt-on 30 hp increase when used on our ZZ4 crate engine. When tested on a 383 ci small block engine with 9.5 to 1 compression ratio and .540" lift roller cam, single plane intake manifold and 750 cfm Holley carburetor, the Fast Burn heads produced 497 hp at an incredibly low 5800 rpm. Total ignition timing to be used on a Fast Burn head will vary based on a number of factors, but most configurations made the most power with 34 to 36° of total timing.

Technical Notes: Use intake manifold P/N 12496820, P/N 12366573, 12496822, or 10051103 with the Fast Burn cylinder head. Use intake manifold gasket P/N 12529094 and eight attaching bolts P/N 12550027. Use Fel-Pro exhaust gasket P/N 1470 for these Fast Burn heads (some trimming may be required for your application. This head includes intake valves P/N 12555331, exhaust valves P/N 12551313, valve spring cap P/N 10212808, and valve springs P/N 12551483.



HRH

 

what are you doing with the fuel injection setup mainly the complete intake?
i may be putting a fuel injected 350 into my astro. pm me or something.

thanks,
mike

 

Yeah the ZZ4 wishes it had a "fast burn" chamber. It has Aluminum L98 castings. Same ports/casting that was used on ALL TPI 350's both F-Bod and Y bodies. The new Fastburn's like jeff is seeing are a huge step up in performance. New design chamber, bigger valves, 210cc intake port vs 168cc, raised ports, etc..

A $500 set of Vortec heads will walk all over a stock L98 casting, even if it had minor work(better valve cut, bowl work, etc) done to it but GM STILL sells the "vette" heads for a LOT more money

 

Thanks for the info on the heads, I already have the corvette heads on mine,
the Edelbrocks might work, do you know the part number?

 

Jeff, I'm pretty sure those are the ones that I'm talking about, although 210cc sounds a little bigger than I remember. They're the heads that are on the Fast Burn 385 crate engine. That engine is pretty much just a ZZ4 with the new "fast burn" heads on it, and it's said to be a bolt-on 30-40 hp for the ZZ4. The general concensus is that those heads work well with a hot cam, so that's what we're looking at doing. I did not realize that the heads that are currently on the engine were that bad, and thus I did not mean to insult anyone by suggesting them. Happy hunting.