I looked up the standard valve stem diameters in the VW manual, and they
are different. .3126-.3130 is correct for the intake, but the exhaust
stem diameters are listed as .3114-.3118, so it makes you wonder if the
Manley's may be a smidge tight. But then again, your guides are
probably worn some anyway. I'd try them and check how much they rock at
the head....supposed to be .009-.011 new, with .032 max. I'd call
whoever you are buying these from. Racemaster seems like CBF or
somebody, and if it's a VW place, they should work fine.
Mark Langford
m...@n56ml.com
http://www.n56ml.com
On 3/13/2018 7:21 AM, John Bouyea via KRnet wrote:
For my old RevMaster heads, 32mm exhaust it is pretty simple; #11649-4.
Do you know if the #11653-4 exhaust also appropriate for the 35.5mm intake?
John Bouyea
N5391M/ KR2
OR81/ Hillsboro, OR
2015 KR@MMV Gathering CoHost
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