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911nut 911nut is offline
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Join Date: May 2001
Location: Michigan
Posts: 2,513
Originally Posted by JFairman View Post
Yes, it would have been easier to take them 25 miles up the road to xtreme cylinder heads and have Bill do them but thats expensive and I have more time than money and I'm really good at doing this by hand.

I don't have a bore gauge, I use a digital micrometer to measure and then I mount my 40mm aluminum injector blocks on the heads and use a sharpie pen to draw a back circle and a machinest scribe to mark the port matching 40mm circle I'll hog them out to.
What I meant was to have the vertical portion milled and then finish the transition by hand to save time.
A bore gauge will allow you to reach deep into the port and check roundness and diameter. Are your mics the long type?
Paul B.
'91 964 Turbo
Port matched, SC cams, K27/K29 turbo, Roush Performance custom headers w/Tial MV-S dual wastegates, Rarlyl8 muffler, LWFW, GT2 clutch & PP, BL wur, factory RS shifter, RS mounts, FVD timing mod, Big Reds, - 210 lb
Old 05-20-2013, 07:23 AM
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