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Discussion starter · #21 ·
M birthday is the 10th but all I bought myself for my birthday was my wheels lol. Car looks very great body wise and all. I'm going through the same thing with the floor pans, extremely common with these of course. Is it a 289? If so I might recommend going down to a smaller carb. I have seen people running 500cfm no problem, I have a 600cfm and heard that is almost pushing it on a 289. Not sure though
Here's a good reference,

289 - 302 Stock 500 CFM Mild 600/750 CFM Race 750/UP CFM
351 - 400 Stock 600 CFM Mild 650/750 CFM Race 800/UP CFM
400 - 460 Stock 650 CFM Mild 750/850 CFM Race 900/UP CFM
460 - UP Stock 750 CFM Mild 750/900 CFM Race 1000/UP CFM
 
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