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Kevin

Valves come in longer sizes over stock length or custom.

http://www.manleyperformance.com/pdfs/06/Valves-3-50.pdf

Paul

Randy

The setup from partsgeek looks like the easiest way to go and it will look great.

Weber carbs direct has the same set-up only much cheaper and their manifolds have water heating.
...

The valve guides press into the head.
You could make a new set to fit the smaller SBC valve stem and pick up a little more flow.

The problem with the stock head is the port restrictions with very...

Bruno

This is an expensive option but would really look great

http://www.teambuick.com/forums/showthread.php?21406-Coming-soon-a-fantastic-new-head-for-the-263!&p=84869#post84869

Each intake...

Kevin

Great project!

You have put a lot of thought into this and have done a great job.

On the exhaust headers, the Chevy sound would be great.
The correct method of the 4 middle and the 2...

Kevin

I will measure the stock valve spacing when I get back to the shop this week. I believe it was 1.6"

The outer pair intake port spacing is 7.464" or 189.58mm.

Can you tell us more about...

Here is some discussion on making a lighter crank.

http://www.teambuick.com/forums/showthread.php?19510-Crank-mods

Our shop (and many others) will only use a roller lifter. It eliminates the...

The valve spacing on my head is a little more the stock because I used larger valves. The spacing is 1.65" for my design.
Because the intake valve is larger than the exhaust valve, the centerline...

http://www.teambuick.com/forums/showthread.php?21406-Coming-soon-a-fantastic-new-head-for-the-263!&p=84670#post84670

Paul

Piston pin height:

I measured the distance from the top of the piston to the top of the piston pin hole with a set of calipers.
It measures roughly 1.5". I say roughly because the top of the...

The intake ports are at a 45 degree angle.
The customer wants velocity stacks with EFI

We need to transform this


2981

into this
2982

It will look something like this.


2980

It will be for a 1933 Buick Victoria.

Paul

Kevin

I'm working on a different project that requires the 263 to look like a Buick S8 with the intake and exhaust ports on the driver side and must use the stock valve cover.
It will be a...

Jyrki

I always assumed we were talking about Singh grooves on the piston with a 4 valve head.
There aren't many places on a 4 valve head to put grooves.

The problem is having enough chamber...

Bruno

I'm trying to group the middle 2 intakes and the outer 2 intakes.
The spacing between the center 2 intake ports is 7.91"
The spacing between the outer 2 ports is 22.84"

Locating the...

Rotus7

If you read the many post on this Forum concerning the use of EFI with siamese intake ports, you will see the struggle.
The Buick Guy revised a stock head with 8 individual intake ports...

Yes, the pent roof Soft head design can be used with Singh grooves, but the above picture illustrates a very high compression ratio.

I was pointing out that the total chamber volume needed for a...

The Holley 390.

You mentioned going up with the intake runners.
How much room do you have going up from the center of the intake ports?

Also how far out from the intake ports can you go?
...

We went through this very exercise with the 263 combustion chamber.
We even did complete 1 cylinder aluminum mock-ups with ports and valves.

Here’s the situation with a small bore and long...

Will E85 be available every where the car will be driven?

Paul

Would you be willing to consider a small 4 barrel carb?

If so I can recommend a real good manifold design.

Paul

Untame

Will you do a 2 valve head like the original or a 4 valve.

Will you also be using cam followers (Buckets) over shim on the valve train?

Since you are running a fair amount of boost...

Untame

Do you happen to have a Bugatti Type 57SC Atlantic just laying around to copy from?
I wish I did! What a great project!

We're presently doing a total re-creation of a 1960s race boat...

Looking forward to a peek at your head design.
Have you started on any drawings?

The 263 rods are whimpy. Between the split beam/pinch bolt arrangement and the lack of material
around the rod...

Are you looking at using forced induction of some type?

Paul