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dyno question

This is a discussion on dyno question within the Dyno Information forums, part of the Racing Forums category; With the mods in my sig, my SS put down 463/402 on a mustang dyno going through LM exhaust. it ...

  1. #1
    Senior Member cam02ss's Avatar
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    Aug 2005
    Purcellville, VA

    dyno question

    With the mods in my sig, my SS put down 463/402 on a mustang dyno going through LM exhaust. it was first dynod back in may. after a slight accident where i had to replace my trans and hedders, i had the car dumped with 3" bullets and turndowns. the car re-dyno'd made 457/397. this was once again on the same mustang dyno. are these numbers good? ive been told by numerous people that the power that i lost is right in the dyno error range and also that the weather in july from may could have played a big part too.

    i know dyno #s really dont mean anything but how do mustang dynos compare loss wise to dynojets?
    Pink wire loom.

  2. #2
    Member GA Country Boy's Avatar
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    Aug 2006
    Cumming, GA

    Metallic Red
    2002 Corvette Coupe

    I think you're putting down some pretty good numbers. I wouldn't worry about a 5 or 6 HP/TQ difference the July heat compared to May could easily account for that. It's also easy to loose 5HP between dyno runs as the motor heats up. Quite often (unless there's a tuning change) like the track, the first run is the best. Regarding the Mustang vs Dynojet subject, this subject was covered in another post, but they are both good depending a lot on the operator and the
    correct info being input. I'm not sure what you mean by "compare loss wise",
    and I would suggest that dyno #'s do mean something especially when you are tuning for maximum output.
    In GA waving from '02 C5 LS1, Z51, D1SC, 60lb injectors,RPM level 5-4L60E, 3:42, Yank 3600, QA1-12 ways, MTI long headers, high flow cats, Borlas, Wilwood, 603rwhp, 542rwtq.(DynoJet 248-C) 10.89@127.57 on street tires, Race Weight 3,640 lbs

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