the 750 is free so i kinda wanted to use it....but maybe ill get a 600 edelbrock...and i had to yank my motor outta the shop...they bored it 60 over without calling...i told em 30 max and next thing i know there like it had some pitting and we had to go 60... i checked the bores they were clean except one that had a little cheese...it had so little wear the crank and mains checked fine... plus it started 1700$ then was 2500$ then like 2500 + or - 10%....and all the parts they were going to use were like speedpro and such...it took 275$ to get my engine back...so now i got it at another shop and its going to take 125$ to have the block final preped to assembly ready...that old shop didnt have anything in writing after 3 weeks....i didnt like we'll see how much it is when were done... is 60 over a big deal cause i heard 80 over is the max...