Engine guru's needed!!!

[evo-gsr]

Retards... :blink:

 

[romeo]

yup pretty crappy place, they don't really care much these days

 

[blackvr]

Romeo, I've done back to backs a couple of times re Cyclone vs ASpec style log inlet manifolds. While the Cyclone manifolds make a little better torque/power under 3000 rpm, the ASpec consistently makes much better top end power ( on my dyno at least !). Maybe that's why Mitsubishi stopped using the dual runner manifold on their Evo 3 onwards 4G63 engines ?

 

[4piknup]

There is a thread here somewhere from bazeng that says same thing. There was dyno runs to back it up as well

 

[EVO-00X]

Here you go...

The actual cfm difference between the Auspec and Japspec intakes was on average around 20cfm in the Auspec favour.