Edelbrock 5.3l head update
May 3, 2006 | 05:47 AM
#11
About time I see some real numbers using our bore. Thanks for the good work.
On a 5.3l, what does the compression ratio come out to be with the 59cc chambers? Was it milled to get 59cc or cast that way (for push rod length)?
Time to hit the Alpha Plasma Centers again.
On a 5.3l, what does the compression ratio come out to be with the 59cc chambers? Was it milled to get 59cc or cast that way (for push rod length)?
Time to hit the Alpha Plasma Centers again.
May 3, 2006 | 08:35 AM
#12
I believe Edelbrock is working on a OE number for the Lingenfelter ported 203cc head. That's a different part number than the head we start with.
The compression ratio will increase by approximately 3-4 tenths of a point max. The valve geometry is as stock. Same tip heights as the factory heads. This should allow for stock length pushrods.
Richard
The compression ratio will increase by approximately 3-4 tenths of a point max. The valve geometry is as stock. Same tip heights as the factory heads. This should allow for stock length pushrods.
Richard
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