CAMARO6 - View Single Post

syr74 · 03-29-2010, 04:34 PM

After a quick glance here is a link to a guy who runs his own dyno at this bike shop, and his explanation of why bikes, cars, etc. typically dyno higher in the 1:1 gear.

http://www.bishopsperformance.com/dynoinfo.htm

Again, there are no absolutes and there are a lot of things that can change this with some consistent exceptions (older Mitsu Evo's often dyno better in third than in their 1:1 fourth gear for example). But, more often than not, a car will dyno lower in any gear lower than the 1:1 ratio we are talking about here.

I found two examples on the internet, using cars which I know typically dyno better in third, fourth, or fifth. In the first, here are some guys on a MB forum talking about their C63 Mercedes dynoing better in fifth (which is their 1:1 gear) than in the lower fourth gear (so long as the top speed limiter is removed of course, a C63 would bump into the limiter on a fifth gear dyno run otherwise)

http://www.mbworld.org/forums/c63-am...results-2.html

........and here are some Evo guys talking about how their cars dyno better in third than in fourth even though fourth is their 1:1 gear.

http://www.socalevo.net/forum/index.php?topic=86304.0

However, as I said earlier, the Mitsubishi example is more often the exception than the rule. Most cars, bikes, etc., dyno best in the 1:1 gear.

03-29-2010, 04:34 PM	#2116
syr74 Account Suspended Drives: Thunderbird Join Date: Sep 2008 Location: Kentucky Posts: 951	After a quick glance here is a link to a guy who runs his own dyno at this bike shop, and his explanation of why bikes, cars, etc. typically dyno higher in the 1:1 gear. http://www.bishopsperformance.com/dynoinfo.htm Again, there are no absolutes and there are a lot of things that can change this with some consistent exceptions (older Mitsu Evo's often dyno better in third than in their 1:1 fourth gear for example). But, more often than not, a car will dyno lower in any gear lower than the 1:1 ratio we are talking about here. I found two examples on the internet, using cars which I know typically dyno better in third, fourth, or fifth. In the first, here are some guys on a MB forum talking about their C63 Mercedes dynoing better in fifth (which is their 1:1 gear) than in the lower fourth gear (so long as the top speed limiter is removed of course, a C63 would bump into the limiter on a fifth gear dyno run otherwise) http://www.mbworld.org/forums/c63-am...results-2.html ........and here are some Evo guys talking about how their cars dyno better in third than in fourth even though fourth is their 1:1 gear. http://www.socalevo.net/forum/index.php?topic=86304.0 However, as I said earlier, the Mitsubishi example is more often the exception than the rule. Most cars, bikes, etc., dyno best in the 1:1 gear.