View Single Post
Old 12-01-2016, 11:10 AM   #190
GenRuleAThumb
Senior Member
 
GenRuleAThumb's Avatar
 
Join Date: Mar 2016
Drives: 2014 FR-S
Location: NorCal
Posts: 164
Thanks: 61
Thanked 123 Times in 69 Posts
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Garage
Quote:
Originally Posted by justatroll View Post
Sorry but our cars have ~12-13% drivetrain loss (MT).
Your peak wheel HP shows up as 174.6

174.6 * 1.13 = 197.3 HP
So your engine is outputting right about 200 hp

What am I missing?
(Hint: 'drag power' is way too high @ 41 hp).
41 hp of drivetrain loss on a engine hp of 216 is 19% loss

See what I mean about "tweaking dyno settings" to show power where it isnt?
And thats without being able to see any of the Rotating mass numbers.


This was at an 86 dyno day with 12 86 dynoing the same day, full results in northern California forum. Stock was 136 on same dyno for wheel power.

http://www.ft86club.com/forums/showthread.php?t=109320
GenRuleAThumb is offline   Reply With Quote