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[tech]: cam timing questions?
- Subject: [tech]: cam timing questions?
- From: abatzis2@hotmail.com (Michael Abatzis)
- Date: Thu, 19 Sep 2002 02:35:11 +0000
so i'd like to tune this new head a little better. disappointingly, a p&p
head, .012" decking, and schrick 268/276's is no faster than the old 1.8
head with eurocam, though it FLYS above 5k rpm. i use a strip of road,
rolling start at 20mph. old setup did this strip at ~63mph, which is the
same as the new setup (a2 gti vr6 did it at ~69 mph).
i'm trying to dial it in a bit better, get a bit more low end. i have an
adjustable cam gear, and had some questions. i assume i want to advance cam
timing for low end (how much?). also, the shaved head means i need to
advance by ~1' to compensate i've been told. for some reason, i'm having a
hard time picturing which way i want to move the cam gear. moving the cams
1 tooth forward (cw) should advance by 6', right? which means i want to move
the adjustable gear BACK (ccw), since the teeth on the gear are what move
during adjustment, while the cams themselves stay stationary at tdc. i'm
pretty sure this is right, but wanted to double check. tia,
-Michael Abatzis
Hotlanta! GA
1988 Scirocco 2L 16v RIP-->parting, prelim web site, but not taking orders
yet: www.learnlink.emory.edu/~mabatzi/mikes_page1.html
1987 Scirocco 2L 16v...
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