Extreme M90 porting - *pics*

tbird88

Registered User
Been gettin' emails and phone calls at the shop askin' about this pic so for those that haven't seen it...

8993scport5946.jpg


So far, I've milled the original inlet off and installed a "wall" to define the new inlet shape. Lower bolt bosses were removed because I just couldn't see workin' around 'em like normally seen in other port jobs. I mean, if we're gonna do this why be limited by a coupla bolts? The bosses will of course be relocated. Their location will be defined when the new outlet is completed on the new inlet plenum.
Yep, hours & hours (literally) were devoted to checking/confirming/guessing the tweaks needed to make sure rotor timing between inlet vs outlet would work.

'bird
 
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