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Old 02-20-2001, 09:50 AM
Duster Wedge Duster Wedge is offline
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Join Date: Oct 2000
Location: Downers Grove ILL> USA
Posts: 50

I have a 426 wedge engine that I am trying to figure out what compression it is.It is a 1964 wedge bored 060 over with stock stroke and domed pistons
the ID plate is stamped HP S is this engine 13 :1 ?
I need help figuring this out as it will be run on the street and an occasional run at the track.
It is in a 75 Duster that weighs 2,900 lbs
Can I put the 060 shim under the head and get the compression down to where I can use pump gas in it ?
What does the S stand for I know its a special engine but what's special about it ?
Any help you can give this old street rodder will be appreciated.
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Old 04-03-2021, 03:55 PM
mopar7172 mopar7172 is offline
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Join Date: Oct 2018
Location: las vegas,nv
Posts: 4

It's a street wedge
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