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.

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Old Mar 2, 2006 | 07:46 PM
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91stang
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i'm planning on building a 331 but with the heads and stuff i'll have to bore the cylinders .030 over to actually get the 331 displacement right?

i aslo wanna create a low compression ratio what type pistons would be the best?
Old Mar 2, 2006 | 08:01 PM
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Twister
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Default RE: quick question


ORIGINAL: 91stang

i'm planning on building a 331 but with the heads and stuff i'll have to bore the cylinders .030 over to actually get the 331 displacement right?

i aslo wanna create a low compression ratio what type pistons would be the best?
a 331 is a 3.25" stroke with a 4.030" bore. a stock 302 is 3X4...as for pistons, you will need to talk to the builder of the kit and let them know EXACTLY what you are going to do with the engine and what mods that you plan to do
Old Mar 2, 2006 | 08:58 PM
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that's what i thought
Old Mar 2, 2006 | 09:07 PM
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Default RE: quick question


ORIGINAL: Twister


ORIGINAL: 91stang

i'm planning on building a 331 but with the heads and stuff i'll have to bore the cylinders .030 over to actually get the 331 displacement right?

i aslo wanna create a low compression ratio what type pistons would be the best?
a 331 is a 3.25" stroke with a 4.030" bore. a stock 302 is 3X4...as for pistons, you will need to talk to the builder of the kit and let them know EXACTLY what you are going to do with the engine and what mods that you plan to do
Good advice.
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