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Definitely keep the 400, it's way more fun to drive than the same car with a 350. With a two bolt block you can put studs in the mains and strengthen it that way instead of the added expenses of splayed caps that @Rebelyell was talking about.
Mine has studs and revs to 6500 RPM all day.
If you plan to build a nice street performing engine and keep it around 450hp-500hp there is really no need to spend the extra money to convert the block to 4 bolt mains.
2025 C3 ('68-'73) of the Year Finalist - Unmodified
2024 C3 of the Year Finalist - Unmodified
2023 C3 of the Year Finalist - Unmodified
Why not find a period correct 350, re stamp the block & tell everyone it's numbers matching like everyone else ( including the "ORIGINAL OWNER " ) who told you that it was the original motor. You know the guy who had a brain fart & casually forgot he CHANGED THE ENGINE ................That guy !
Or If you decide not to make the 400 a boat anchor, you can rebuild it, tell everyone it's a rare 1 of 1, factory 400 special order Canadian export car, deck the block, & re stamp it to match your build date and vin. It will make a great story for the next buyer
"You can fool all the people some of the time, and some of the people all of the time, but you cannot fool all the people all the time" A. Lincoln
Yes, I get your point, but I don’t have time to fool around with all of that at 57 years old. I just wanna nice classic car to drive around and enjoy. I just didn’t wanna feel guilty messing up with the numbers matching rare car but if it ain’t, hey all the power to me, I can do what I want with it. That’s the reason I’m on this forum to really know what the hell was going on. I found a little 480 cam a performer intake a 750 brawler a set of Headers and some 416 heads that were a little worked. I hope I can reach 300 HP and have a vacuum for those lights.lol
Last edited by pierrefillion; Today at 06:32 PM.
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Designer Imagines A Corvette That Looks More Like a Corvette Than the Corvette
Slideshow: A Jaguar designer's personal project imagines what a modern front-engined Corvette might look like if Chevrolet revisited the golden age of the Stingray.
