Discuss 1969 mustang 200ci to 351w swap. Flywheel problem on AllFordMustangs.com, the place for Mustang enthusiasts.
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Technical discussions specific to 1964-1967, 1968-1970, and 1971-1973 Classic Mustang. Discuss all tech related to in-line six cylinder and V8 powered Vintage Mustangs here.
Hi. I did the swap from a ford 200 inline 6 to a 351w. Now my car vibrates horribly when it accelerates. It all points to an unballanced flywheel. Please help. Does a flywheel from the 200 ci engine fit the 351 w ? Or do i need to buy another flywheel that matches my new engine thats already balanced? Please help!!!! This is making me go crazy
1995 Mustang GT Cnv 427 stroker
1996 Cobra with Kenne Bell 2.1 Supercharger dynoed at 12psi: makes 412whp/424wtq on E85: 250K miles on stock engine
2003 Infiniti M45 V8 340 hp
"What do you do besides drive fast?" "Have fun...."
Should i change to an AT transmission? What do you think? That should get rid of the problem. What trans do you recommend? Wright now i have the stock manual shift 3 speed
1969 mustang 200ci to 351w swap. Flywheel problem 
