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General 71-73 Discussion
71-73 Mustang Talk
Boss 351 and R-Codes
Boss 351 Engine or not??
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<blockquote data-quote="SVO2SCJ" data-source="post: 371644" data-attributes="member: 4947"><p>Hello</p><p></p><p>Well from you first post (showing you don't know), and your second post (with photo) showing a CA manifold BUT NOT a D1ZF-ZA carb............I would ask that you LOOK AT THE THICKNESS of the balancer behind the lower crank pulley next!</p><p></p><p>You need to see if it is 1" in width it is a 351 Cleveland or if it is 2" . There is more than that to do for your forensics, some you can do without disasembly some where you have to remove parts. IF you are not restoring, selling or need help rebuilding then leave it at that. IF you are doing any of the above then reach out to someone that knows (read don't listen to friends that don't) before you make any move, mistake or cost yourself money. </p><p></p><p>If it turns out you just have an engine that a Ford Boss alum manifold was installed on (and running a Holley spread bore) fine. If they cut it (and running a Holley square bore) fine. Again, once known what you want to do then you can put the work into figuring out. All the date codes will tell you is if it is a 1971 or 1972 R motor. To know if it is intact inside you have to take apart (or do some forensics)</p><p></p><p>Happy to help</p><p></p><p>Mark 517 861 7630</p><p></p><p>P.S. I learned a long time ago that you don't sell to people that appraise things! So before someone says "do you want to sell" call. We all know the people that would reply that way. At the same time "you can't sell a secret" so call. </p></blockquote><p></p>
[QUOTE="SVO2SCJ, post: 371644, member: 4947"] Hello Well from you first post (showing you don't know), and your second post (with photo) showing a CA manifold BUT NOT a D1ZF-ZA carb............I would ask that you LOOK AT THE THICKNESS of the balancer behind the lower crank pulley next! You need to see if it is 1" in width it is a 351 Cleveland or if it is 2" . There is more than that to do for your forensics, some you can do without disasembly some where you have to remove parts. IF you are not restoring, selling or need help rebuilding then leave it at that. IF you are doing any of the above then reach out to someone that knows (read don't listen to friends that don't) before you make any move, mistake or cost yourself money. If it turns out you just have an engine that a Ford Boss alum manifold was installed on (and running a Holley spread bore) fine. If they cut it (and running a Holley square bore) fine. Again, once known what you want to do then you can put the work into figuring out. All the date codes will tell you is if it is a 1971 or 1972 R motor. To know if it is intact inside you have to take apart (or do some forensics) Happy to help Mark 517 861 7630 P.S. I learned a long time ago that you don't sell to people that appraise things! So before someone says "do you want to sell" call. We all know the people that would reply that way. At the same time "you can't sell a secret" so call. [/QUOTE]
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General 71-73 Discussion
71-73 Mustang Talk
Boss 351 and R-Codes
Boss 351 Engine or not??
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