What size heads for 400 SBC?
A hot 400 SBC can easily use a head with 200+ cc intake port volume. 180cc will work OK, but will run out of breathe real quick.
Are Chevy 441 heads any good?
The 441 has a reputation as a good-flowing head among the production 76cc chamber heads. In this particular case, it lost out to the 882 head, but overall it’s a decent head that responds well to pocket port work and larger 2.02/1.94 valves….
| GM 441 IRON | |
|---|---|
| Port: | 155 cc |
| I Flow @ 0.400: | 194 cfm |
Do you need steam holes on 400 SBC heads?
Drilling Steam Holes in a Cylinder Head Having stated that, the general consensus is to use the proper 400 style head gaskets with steam holes and use them as a pattern to place the holes in the correct position. It appears a set of Fel-Pro 1014 head gaskets offer these holes and are only 0.039-inch thick.
How much HP can a 400 small block handle?
With our low-compression, power-adder friendly 400-inch small-block easily exceeding 525 hp, it was time for some boost. And that’s where things start to get very interesting.
Can you stroke a 400 SBC?
Chevy Engine Kit – Chevy Stroker Kit, 400 Small Block, 406, 421, 427, 434. This is a stock style setup, featuring a 3.750″ stroke. This is the largest stroker combination available for the Chevy 400, using a 4.000″ stroke to achieve 434 cubic inches of displacement.
What vehicles had a 400 SBC?
The 400 was rated at 245–265 horsepower (gross[150–180 HP net]) through its life. The 400 saw extensive use in full-size Chevrolet and GMC trucks; K5 Blazer/Jimmy, 1/2-ton, 3/4-ton, 1-ton, and even larger ‘medium duty’ trucks had an option to be equipped with a 400.
What kind of heads do I need for a SBC 400?
Look for 72 cc heads I called Aerohead (a division of Indy cylinder heads) and talked to their tech guy. I got my cast iron heads with hard seats, 2.02/1.60 stainless valves and good springs/retainers for $660/pr delivered to California. You can customize them up or down as required.
What are the casting numbers for SBC 350 Block?
3849852 3849935 3896944 393288 65 – 67 283 N/A Truck/Pass 389257 67 – 69 302 N/A 2-Bolt mains 67 Small Journal (327 block) 68-69 Large Journal (350 block) 3914653 3914636 3932373 3970020 68 – 73 307 N/A Truck/Pass 3956632 69 307 200 2-bolt mains 3914660 68 327 210-275 2-bolt mains 3790041 3814660 3955618 68 – 69 327 210-300 2-Bolt mains
What are the casting numbers for Chevy small block V8?
Different chamber volumes, port volumes, port locations, valve sizes, etc. were used. Check this casting carefully to determine which features it may have.
What are the casting numbers for a Chevy cylinder head?
Years Casting# CID Intake Comments 1986-91 10110810 305 1.84 EFI,swirl port, stat wgn 1986-91 14101081 305 1.84 EFI, std port 1988-93 14102188 350 1.94 EFI, swirl port 1986-91 14102187 305 1.84 EFI, swirl port
