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Dyno 2/6/18

This is a discussion on Dyno 2/6/18 within the Dyno Information forums, part of the Racing Forums category; Heading down to PCM in Morresvile NC for a Dyno pull, SLP lid Frost Tune and a magna flow cat ...

  1. #1
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    Dyno 2/6/18

    Heading down to PCM in Morresvile NC for a Dyno pull, SLP lid Frost Tune and a magna flow cat back, any guessing on the numbers?
    I'll start: 312 HP.

  2. #2
    Senior Member Whamhammer's Avatar
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    Quote Originally Posted by Barnesgn231 View Post
    Heading down to PCM in Morresvile NC for a Dyno pull, SLP lid Frost Tune and a magna flow cat back, any guessing on the numbers?
    I'll start: 312 HP.
    I will guess 335 rwhp.

    I have 356 rwhp and the only major item I have over yours is Kooks headers and catted Ys.

    I did get the final tune on the dyno though.

  3. #3
    Spaz is My Mentor SMWS6TA's Avatar
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    Agree.

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    Dyno jet
    299 hp at 5100rpm 323 TQ at 2700rpm.
    Pulls went to 6100
    At 6100 HP was down to 270 ish
    Dyno operator had this comment: you really need an LS6 intake and a set of valve springs.
    I think he's right, should the peak power lever be higher in the graph?
    87 GN 7.75 1/8th @ 90MPH-SOLD
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  5. #5
    Spaz is My Mentor SMWS6TA's Avatar
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    99's have the smallest cam out of the 98-02 yrs. Combine with the shitty heads they came with and the 26lb injectors plus age it doesn't surprise me. It should honestly be a bit higher. But there are so many factors when using a dyno. Is it a Mustang Dyno? They always read lower then Dynojet's.



    The LS6 intake will help, set of 243 or 799's even more so. You can get a 228 cam and have a nice bump in power that you can have a Frost tune done and not break the bank for a full tuning session like you would if you got aftermarket heads and a beef up cam.
    Last edited by SMWS6TA; 02-08-2018 at 08:06 AM.

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    Senior Member Whamhammer's Avatar
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    Quote Originally Posted by Barnesgn231 View Post
    Dyno jet
    299 hp at 5100rpm 323 TQ at 2700rpm.
    Pulls went to 6100
    At 6100 HP was down to 270 ish
    Dyno operator had this comment: you really need an LS6 intake and a set of valve springs.
    I think he's right, should the peak power lever be higher in the graph?
    Itís certainly not outside the realm of possibility. Mine was dynoed at about 145k miles, with pretty fresh plugs and a new AC Delco airfilter, with a fresh oil change.

    How much mileage is the car, and what type/when were the plugs changed?

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    122k. Plugs have been changed at 100k . I checked them and them and they looked clean but it couldn't hurt for a fresh AC Delco set. No misfire codes have been detected. No codes at all have cropped up.

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    Spaz is My Mentor SMWS6TA's Avatar
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    For plugs TR-5's if you want the long life of iridium or TR55 is you have some bolt on mods and want a better performing plug. Only negative with the TR55 is you'll need to swap out every 25k miles because thy are copper core plugs. But they do give a hotter spark.

  9. #9
    Spaz is My Mentor SMWS6TA's Avatar
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    Quote Originally Posted by Barnesgn231 View Post
    Dyno jet
    299 hp at 5100rpm 323 TQ at 2700rpm.
    Pulls went to 6100
    At 6100 HP was down to 270 ish
    Dyno operator had this comment: you really need an LS6 intake and a set of valve springs.
    I think he's right, should the peak power lever be higher in the graph?
    Now if you what a decent bump in power/tq but not seriously break the bank or have to do a bunch of serious supporting mods.


    A 228 cam ($375), LS6 valve springs ($unknown haven't shopped for these) , 243 or 799 heads ($350-450 used) and a LS6 intake ($250-350 used). You can get a mail order tune ($150) from Frost and not need a full dyno tune like you would if you did a radical cam and aftermarket heads.

    Only other suggestion if you do all this is to also do the following: Melling 10295 oil pump ($135), LS2 timing chain ($70), LS7 lifters ($110), and chrome molly pushrods ($100). These are items that should be replaced now because the stock ones have been in use already for a long time now and since you're already breaking down the engine to do the above suggestion then doing this is the right time as well. Save you time and money.

  10. #10
    Senior Member Whamhammer's Avatar
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    Quote Originally Posted by SMWS6TA View Post
    Now if you what a decent bump in power/tq but not seriously break the bank or have to do a bunch of serious supporting mods.


    A 228 cam ($375), LS6 valve springs ($unknown haven't shopped for these) , 243 or 799 heads ($350-450 used) and a LS6 intake ($250-350 used). You can get a mail order tune ($150) from Frost and not need a full dyno tune like you would if you did a radical cam and aftermarket heads.

    Only other suggestion if you do all this is to also do the following: Melling 10295 oil pump ($135), LS2 timing chain ($70), LS7 lifters ($110), and chrome molly pushrods ($100). These are items that should be replaced now because the stock ones have been in use already for a long time now and since you're already breaking down the engine to do the above suggestion then doing this is the right time as well. Save you time and money.
    Add to that a pcv oil catch can, and headers.

    Also, if you are going through that much, pony the extra $350.00, or so, for a dyno tune, might as well get the best driviabily, and performance out of it.

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