Need help with identifying motor 71 GTO
I've been researching how to identify my motor but I'm confused. Anyway I purchased a car sold as matching numbers. I'm not a huge has to be numbers matching kind of guy but if I'm going to say it's a numbers matching I want to know 100%
Now my trouble, I've been looking at a few websites I know what the code should be but can't find it. Hoping with the numbers I could find one of you
Smart guys can help me out. I have a 1971 GTO automatic. 455 with AC (so I was told)
I'll attach pics I have.
First numbers are front passenger side by the water pump they read
421965
Xv
These are very faint and hard to read.
The numbers at distributor read :
B237 and 86133
I also found numbers: B237 on the middle heads right below the valve cover.
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