I have a .030 bored over 350 head casting number is 3927186, has a 600 cfm edelbrock carb. aluminum one chamber edelbrock intake, mild cam increase, solid lifters, and steel non-stock non-roller rockers. has a mallory electronic ignition distributer. and a performance timing chain. it also has heddman headers and purple hornies mufflers. in a '78 nova. bought it for $400 from a guy so I don't know all the details about the internal components. just going on what he told me.
The guy used it at the drag strip for a while, then he just drove it down the street maybe 2 times a week, however it sat in his garage for about 2.5 years in the car before I bought it. He took really good care of it and "used only the highest octane fuel." if this matter...
It could be anywhere from 280-350hp it all depends on how it is tuned, the internals used, what shape the motor is in and many other factors.
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