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Hello Everyone - this question probably comes up often, but I am having a hard time deciding. I have a 69 mach 1 "M" code car that no longer has its original 351w with FMX in it. It currently has a 70 351c with c6 in it (completely stock). I am wondering if I should go back to the 351w or rebuild the 351c. Since it will not have the original engine either way, it probably does not matter. I would like to run around 400 to 450 hp and not looking to keep it completely stock, but not to radical. I read that parts are easier to find for the windsor than for the cleveland, and assume either way I go the cost will be about the same. I will probably get the transmission rebuilt as the c6 is not too bad. Any and all advice is welcome. Also any ideas on good engine re-builders in north Alabama?
Hello everyone, I have a 69 Mustang with a stock 70 351C and C6 transmission. I think the C6 is on its last leg and am considering a AOD swap, or spend ~$1000 on c6 rebuild (beefed up for future rebuild). In the future I am thinking 351W stroker 408 with about ~500 hp so the transmission would need to handle the hp. Or just build the cleveland to ~500 hp, but can decide later as that is a few years away. I see a lot of articles online and in this forum about converting c4 or FMX transmissions to AOD and that there are parts and conversion kits available for such. Also most of these conversion kits are for 289, 302 and 351W. But I cannot find much information or conversion kits for my 70' 351C and C6 to AOD (with 4r70w internals for longevity and increased hp capacity). Can you all knowing owners please point me to some information or list of parts needed for this type of swap. Can I use the 351w parts? What about the yoke and drive shaft? Thank you, Sean