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.

pistons

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Old 12-06-2008, 09:09 PM
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dv3
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Default pistons

is there a difference in piston size for a 306 vs 302?
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Old 12-06-2008, 09:27 PM
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jtmustang
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well

302=4.00 bore

306=4.030 bore

so yes pistons are different.
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Old 12-06-2008, 09:28 PM
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mjr46
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Originally Posted by dv3
is there a difference in piston size for a 306 vs 302?
yes .030 over stock which is 4.000 so 306 = 4.030
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Old 12-06-2008, 09:32 PM
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jtmustang
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^^^lol...i already said that...........lol
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Old 12-06-2008, 09:33 PM
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z24stang
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I thought you could use bigger rings?Or is that not true.
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Old 12-06-2008, 10:07 PM
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mjr46
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Originally Posted by jtmustang
^^^lol...i already said that...........lol
when I posted there were no replies, guess you hit the post button a nano second before me
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Old 12-06-2008, 10:14 PM
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FORD TOUGH
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Originally Posted by z24stang
I thought you could use bigger rings?Or is that not true.
no the pistons are .030 to small. You need 4.030 pistons and rings.
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Old 12-06-2008, 10:16 PM
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z24stang
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Thanks ford tough,I thought thicker rings made up for that,guess not lol.
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Old 12-06-2008, 10:36 PM
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FORD TOUGH
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Originally Posted by z24stang
Thanks ford tough,I thought thicker rings made up for that,guess not lol.
No problem.
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Old 12-07-2008, 09:01 AM
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projectresto83
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you can probably buy rings to do that but it won't last as long nor would you be able to put any real power to it.
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