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Old Nov 10, 2009 | 05:20 PM
  #1  
FatBoyzCustomz's Avatar
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Need an opinion

Ive got a 77 f250 with a 351m in it. a rod broke inside the engine. Ive decided to put a 460 in it in its place but heres the thing. Im short on money but when i close on my house should get that 8,000$ thing. Do you think its worth it to piece the 351m back together for the time being and buy the motor in a couple months? if i just piece it back together will it last a couple months? If replacing just the rod will hold for a couple months i can do that i just dont want to do that and then 2 days later it go out. Too be honest ill prolly never look back at the 351m after i put the 460 in so if its goes it no loss.
 
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Old Nov 10, 2009 | 05:31 PM
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I say don't even bother with the 351M. There's probably been a lot more damage done than you realize. Plus, you can't patch gum with tape. Wait a couple months and get the 460.

Unless you need it as a daily driver, I see no complication.
 
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Old Nov 10, 2009 | 05:56 PM
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Smile Looking for an opinion:

I agree, go with the 460, I have a 1977 F250 with a 460 and I love it, it's better to be sure than to hope it lasts.
 
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Old Nov 10, 2009 | 06:26 PM
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If you broke a rod you got a lot more problems in there than just that rod. If you are going to do the change its time to do it now.
 
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Old Nov 10, 2009 | 08:18 PM
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I wouldn't waste anymore money on the old engine. Go with the 460 in a couple of months. By waiting it also adds that much more money toward the 460. I own a 1977 f250 4x4 with a 351m as well and love it.....but it is running great. I still plan on going with the 460 in the future.
 
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Old Nov 10, 2009 | 08:19 PM
  #6  
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id throw a tarp over it and let it sit for the few months
 
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Old Nov 10, 2009 | 11:37 PM
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yep i agree with alot of people if one rod is out theres going to be many more problems so if u need the truck id say go to the local scrap yard or sumthing and find a good motor for the time being then when u do have the money go for the swap but if u dont need it now just park it till you can fix it. Good luck with everything
 
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Old Nov 11, 2009 | 10:07 AM
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Thanks all for the opinions i am just gonna let it chill and wait till i have the money i do have 2 more questions though. What makes the difference in a 460(7.5L) and a 460(6.6L) and would it be easier to mod this engine pulled from the truck or still mounted in the truck. Theres so much i want to do to this truck but it will be a long process. i was thinking wait on the 460 and put it in the truck factory and then mod over time.
 
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Old Nov 11, 2009 | 10:15 AM
  #9  
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A 460 is a 7.5 and a 400 is a 6.6
Most any mods you would want to do could be done with the motor in the truck but they would be easier to do on an engine stand.
 
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Old Nov 11, 2009 | 01:45 PM
  #10  
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Put the money away and use it for solid investments. Find another way to finance the truck till your more solid financialy. I know it's boring but plan ahead with you being ahead.
2 pennies worth
 
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Old Nov 11, 2009 | 02:11 PM
  #11  
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I say F the 351m. You should be able to find a running 460 for less money that it would take to rebuild a 351m that has thrown a rod.
 
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