Quote:
Originally Posted by AddyDaddy
I saw that post, trying to find out if local 4wheel dyno place has dynoJet or mustang dyno. DynoJets are known to read 10-15% higher than mustang dyno's. I been told it's the loading method of mustang dyno's that pulls real #'s and why they are lower. Mustang dyno's have been known to hurt feelings but that's also why I've always used them so I get real figures. If that's true or not I don't know, but what I've been told and read over the years.
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the dinan and the above dyno are on a mustang dyno which is why they read lower, and the one from the other thread is on a dynojet which is why it reads higher.
i have no doubt about the figures these cars are putting out to the wheels on the dyno, but the question is, how much drivetrain loss there is.
and also keep in mind when you compare your m550i to the m5 you previously had, stock 2014 M5 Competitions dyno 560/490 to the wheels on dynojet, which is wayyyy more than what a "600 hp" dinan m550i puts out on a dyno.
https://f10.m5post.com/forums/showthread.php?t=962214
so while dinan "claims" 600 hp for these tuned M550i's..the m5 you previously had was way over 600 hp that's why your previous m5 still feels considerably faster, especially off roll speeds.
all in all, these cars are all underrated and big HP figures are thrown out like nothing, but ultimately a m550i needs a stage 2 tune and downpipes to be able to beat a stock 2014 M5 COMP off a roll IMO..