Avanti Valves!

[mfg]

The intake and exhaust valves in a Studebaker Avanti R3 cylinder head have .....?.... more space between their (valve) center lines than in an Avanti R2 cylinder head.

1) 1/8"....2) 3/16".....3) 1/4"....or....4) 5/16"

[mfg]

Thoughts here?

[Dwight FitzSimons]

I will guess 4) 5/16".  Looking at an R3 head with the rockers installed the offset is obvious and appears to be considerable.

--Dwight.

[brad]

1/4" sticks in my mind.

 

[silverstude]

me too thinks a 1/4" because that's how much relieving of the cylinder walls is required  (.125 per side) 

[pantera928]

I am thinking 1/4" too

[mfg]

On 2/6/2022 at 4:20 PM, Dwight FitzSimons said:

I will guess 4) 5/16".  Looking at an R3 head with the rockers installed the offset is obvious and appears to be considerable.

--Dwight.

Close!...but not 5/16"

[mfg]

19 hours ago, brad said:

1/4" sticks in my mind.

 

 

4 hours ago, silverstude said:

me too thinks a 1/4" because that's how much relieving of the cylinder walls is required  (.125 per side) 

 

2 hours ago, pantera928 said:

I am thinking 1/4" too

You guys sure know your fractions!!....1/4" it is!