5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

331 VS. 347 Which is better?

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Old 01-09-2008, 10:26 PM
  #11  
jthorn9
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Default RE: 331 VS. 347 Which is better?

You're still forgetting about install, and engine work, just go to www.haneymotorsports.com and get one of their 331/347 assembled blocks, much cheaper in the long run.
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Old 01-09-2008, 11:53 PM
  #12  
67mustang302
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Default RE: 331 VS. 347 Which is better?

If you need to save money, then just change bearings etc and slap it back together. Build a stroker later when you got the money.
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Old 01-10-2008, 06:11 AM
  #13  
tyler72
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Default RE: 331 VS. 347 Which is better?

Well, about the work part of it, I can and will do all of that. I am a mechanic by profession so the work will be no big deal, and stilll not much more than just bulding the engine back as a stock bottem end. It would only cost me about $4 -$5 hundred dollars to do it now, and its a lot of work to just keep taking the engine in and out. Im just thinking that might as well go ahead and do it now while its out so that I can save myself some work. But the only thing Im going to have the machine shop do is hot tank it and install cam bearings b-c I dont have the tool for it at home. I can do everything else.
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Old 01-10-2008, 11:23 PM
  #14  
5spd GT
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Default RE: 331 VS. 347 Which is better?

Go ahead with the 3.4" stroke, and top it off with the 1.175" piston.

All stroke and not a care in the world...
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