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tach vs. speed
Posted: Sun Jul 31, 2011 6:43 pm
by 66gt
Hey everyone!
Its been forever since I've driven my MK1 Cortina Gt and today I was driving 50mph and noticed the tach was at around 4k...is this okay? 3.9 final..
Steve
Posted: Mon Aug 01, 2011 7:23 am
by enfoprefect
Sure doesn't sound right.
Posted: Mon Aug 01, 2011 9:34 am
by peteleo
It's off by about 500 rpm. Scroll down to the technical discussion: Cortina GT Tach - June 20, 2009
Posted: Tue Aug 02, 2011 9:19 am
by 66gt
I knew it was off....thanks again Pete!
I'm glad your on this Forum!
Steve
Posted: Tue Aug 02, 2011 10:45 pm
by peteleo
Thanks, Steve. I checked the rpm reading on my MK1 GT at a true 50mph
( 53 mph on the speedo ) it read 3200 rpm. So it maybe a bit further off.
Either way it can be corrected.
Pete
Posted: Wed Aug 03, 2011 12:47 am
by 66gt
Now that gives me hope Pete!
Steve