Now why didn't I realise that :-) Thanks Mike.
John Martindale 29 Jane Circuit Toormina NSW 2452 Australia ph:61 2 6658 4767 m:0403 432179 email:john_martindale at bigpond.com web site: -----Original Message----- From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of Mike Stirewalt via KRnet Sent: Tuesday, 27 October 2015 6:58 AM To: krnet at list.krnet.org Cc: laser147 at juno.com Subject: KR> Manifold pressure For the first few thousand feet above sea level you can subtract an inch and read the vacuum as manifold pressure but when the throttle is fully open, as it always is above 8000 or so, the vacuum gauge stays at zero. No useful information there............. ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2016.0.7163 / Virus Database: 4457/10894 - Release Date: 10/26/15