I've never heard of 2V and 4V blocks. Sounds like some guy is making things up. The mexican 302 blocks are easy to identify. They say heco in mexico in the lifter valley. I've goe one of those in the carport.
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1995 Mustang V6,automaatic
1966 Mustang
The long term project
1983 Mustang GT
The 460 project
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