331 Build-up.
To say a 347 is better than a 331 is ridiculous.
There are a few factors to consider when deciding which is best.
Congrats on the 331!
They both dyno very similar, and the 331 piston has some boost friendly properties
There are a few factors to consider when deciding which is best.
Congrats on the 331!
They both dyno very similar, and the 331 piston has some boost friendly properties
ORIGINAL: 5spd GT
To say a 347 is better than a 331 is ridiculous.
There are a few factors to consider when deciding which is best.
Congrats on the 331!
They both dyno very similar, and the 331 piston has some boost friendly properties
To say a 347 is better than a 331 is ridiculous.
There are a few factors to consider when deciding which is best.
Congrats on the 331!
They both dyno very similar, and the 331 piston has some boost friendly properties
ORIGINAL: 5spd GT
To say a 347 is better than a 331 is ridiculous.
There are a few factors to consider when deciding which is best.
Congrats on the 331!
They both dyno very similar, and the 331 piston has some boost friendly properties
To say a 347 is better than a 331 is ridiculous.
There are a few factors to consider when deciding which is best.
Congrats on the 331!
They both dyno very similar, and the 331 piston has some boost friendly properties


