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410,i changed my street car from 430,s to 410,s and love it.the 430,s had alot more umph but were a little to much for my liking on the street.

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4.10's!!
If your running street 26"/27" tires, you'll not like the 4.30's.
Even 28" tires will buzz the RPM's a little too high for general comfort with 4.30's. It would be a bear at freeway speeds.

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Thanks for all the replies everyone! Yeah, the unported iron heads are kinda my weak link but easy enough to replace with some budget aluminum heads in the future when I have the extra dough. If I had to do it all over again, I would've gone with a solid cam too. I've run a solid cam on a street car before and I don't remember it being that big a hassle.

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Don't feel bad about looking back and wanting to change things, nobody gets it right the first time , mainly do to finding out what you really want after you get the car done I would run the 4:10 or lower for your present combination. If your thinking of a stroker in the future then stick with the 4:10 for now If no stroker then thank about a set of 4:30 or 4:56, the stocker style 440 need all the help they can get on the line to move the mass the first 50 ft. Another really good option is to install a 2:75 ratio low gear set in the trans now and leave the 4:10 rear gears in with the stocker style C.I. motor The low gear set really helps the off the line perforamnce and deosn't hurt the cruise RPMs in high gear

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Another really good option is to install a 2:75 ratio low gear set in the trans now and leave the 4:10 rear gears in with the stocker style C.I. motor The low gear set really helps the off the line perforamnce and deosn't hurt the cruise RPMs in high gear

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