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Hello there. This is the first post i have tried on this site so it may not get to anyone because i really don't know what i am doing. I am rebuiling a 1970 F-250 for about a year and a half now and i bought a new 390 for it and have some questions. I had to warrenty the first motor and the one they sent to me is bored .060 over with the C1AE high performance heads on it. So we hogged out my new edelbrock intake to match the big intake ports on the heads. My question is how many cubic inches is a 390 bored .060 over is and a rough est. on how many hp? A very ballpark suggestion will work for me. If this gets to anyone i look foward to hearing from you. Thanks
Welcome Robbie and you have reached us here just fine.
For info on your 1970 F-250 re post in the 1967 - 1972 F-100 And Larger F-Series Trucks forum: https://www.ford-trucks.com/forums/forum39/ ,for 390 engine info post in the FE & FT Big Block V8 forum: https://www.ford-trucks.com/forums/forum51/
The 390 are great engines, I have one in my 71 F350 and my 67 Mustang.
Drop into your local Missouri Chapter to see who`s there and see what`s new: https://www.ford-trucks.com/forums/forum104/
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