lets say we want 240hp out of our 12v's which put out say, 160hp; It ~should take 9-10psi (non-intercooled) to get us there.
engine airflow= 260cfm
airflow we need= "9.5psi"x260cfm=429cfm

sc discplacement:
m45= 0.75l or 45.8
m62= 1.00l or 61
m90= 1.50l or 91.5
m112= 1.84l or 112.3

here's how fast each model needs to be spun to achieve our goal:
m45-
forget it.
m62-
(61*13500rpm*.92)/1728=438cfm
m90-
(91.5*9000rpm*.92)/1728=438cfm
m112-
(112.3*7300rpm*.92)/1728=436cfm

Unsure what the redline of the m62 is but 13,500 may be close to it . Either way, the m62 wouldn't provide as much room for ~expansion.

allikas : http://forums.vwvortex.com/zerothread?id=2948434" onclick="window.open(this.href);return false;

Sobiv rihma pikkus valzi autole sai siis 1675 minu m?lu j?rgi.

[Edited on 25-7-2007 by samzik]

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