thanks for the info, i completely forgot about the coolant passages but I didnt know that the pistons are different. now I know and knowing is half the battle......GI JOEEEEEEEEe....im sorry i just woke up lol

 

Dyno sheets yet? Interesting theory about running the HKS exhaust with the OEM intake. let us know how it works.

Evo8 intake camshafts will not work well in an Evo9. The MIVEC system in the Evo9 is driven by oil pressure supplied to the intake cam gear via holes in the camshaft bearing/journal surface. The HKS cams (that you have installed?) will physically fit in the head but because they are solid and lack the nessessary oil passages they will render the MIVEC useless.

 

So if it physically fits but is only lacking oil passages, why not have them machined in? I havent torn mine apart yet or looked at any diagrams, but from what you just explained it doesnt seem like a hard fix to me.

 

MIVEC is only on the intake cam, and he installed a 272 duration exhaust cam from a VIII. A VIII intake cam will not fit.

 

hmm.....since we now know that the exhaust cam definetly fits and works well, does anybody know if they are revising the exhaust cam or keeping it the same and just making an intake cam.. anybody find out when the intake cam is being released? i'm debating buying and exhaust cam and installing that...i plan on ordering quite a few parts by friday.

Thanks

 

The exhaust cam makes a large difference in low speed driving - the car feels very strong. Almost like a 2.2, I'm quite impressed with the everyday driveability. Not to mention when the pedal drops, it hits harder. I cant wait to see how the torque maps out.

Also - interesting to note that I have my old EVO 8 camshafts in the garage. I suppose I could compare the 9 exh cam to the 8 exhaust cam. I wonder if they are the same?

We may see some dyno numbers before Friday.. maybe

 

the 8 and 9 exhaust cams should be identical..... intke is another matter.

good info on the swap! Go to the dyno!

 

wow, if 400 whp that will create a lot of excitement in this forum. Subscribed....

 

Put a water or meth injection kit to the mix and 400+whp should be no problem.

 

finally someone did this and told us.

 

Check back tomorrow for dyno numbers

 

w00t! Can't wait.

 

am i too early? no results yet?

 

Its 10:10 AM in Cali and I'm guessing he will get tuned later in the day.

 

Where are the results!?!?!?!

Can't wait to see