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Might be better to just invest in a Proform Main body.bye the time you ship it get it milled and shipped back you'll be about the same $.The Proform Maind body should flow a bit more CFM.




Good point, cept where do you find a PF main body for a 850 for close to 50 bucks?


72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.