Hello
my pinto is running 164bhp. I rev between 4 thousand and 8thou while racing using a 32-36 weber
just trying to work out the best system and sizes system has to be 4-1 and boxes are controlled at 55mm id and overall length is restricted
my questions are
best manifold pipe size
best size for the main pipe
is it better to have an equal length manifold pipes into the collector
best length of the manifold pipes
thanks for helping
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