A 7 1/4 rear end behind a big block is like putting a bicycle chain on a Hyabusa. It will work for putting around the block, but nail the throttle and it will explode.
thats was a misspell at first. I have a 440 with 415hp so i dont really no if the 7 1/4 rear will hold it. I no its factory rear with different gears because there posi
The 7 ¼ simply not hold up to any load you put on it with your engine.. It may hold up for a bit if you are VERY easy on how you drive and never get on it.
In short…. A 415hp/440 backed by a 7 ¼ is pointless…… In a drag race against someone walking the person walking would win….. Because your car won’t move with an exploded rear end.