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why low stock dyno numbers?

This is a discussion on why low stock dyno numbers? within the Camaro / SS forums, part of the Vehicle Specific category; thanks that sounds exactly like what i was thinkin hopefully with some ignition components and filters and fluids it should ...

  1. #21
    thanks that sounds exactly like what i was thinkin hopefully with some ignition components and filters and fluids it should be back up there but ill be able to tell when i give it a drive

  2. #22
    Quote Originally Posted by oneBADDz
    read the thread, there are two types of dynos, they give two types of numbers. Put his car on the dyno you ran on and he would have VERY close numbers to what you made. Don't call his numbers pathetic when you have all the info you needed to know what the deal was right here in this thread.
    i DID read the thread and my car was dyno'd on a mustang dyno, which is one of the more accurate types even for fbodies belive it or not. now i know all dynos will have number differences due to conditions and what not but 267 IS extremely low.
    on a mustang dyno, he should have been at around 305 assuming everything works properly and the general maintainence has been performed.

  3. #23
    SUPREME member-oderator oneBADDz's Avatar
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    Quote Originally Posted by 97z286speed
    i DID read the thread and my car was dyno'd on a mustang dyno, which is one of the more accurate types even for fbodies belive it or not. now i know all dynos will have number differences due to conditions and what not but 267 IS extremely low.
    on a mustang dyno, he should have been at around 305 assuming everything works properly and the general maintainence has been performed.
    You don't understand how the different dynos work, his numbers are good for a mustang dyno. If you dynod 305 on a mustang dyno than they corrected the numbers to match those of a dynojet, which is not necessarily unusual for places with mustang dynos. 267 is normal for a mustang dyno of an fbody. If you were to actually dyno 305 hp in mustang dyno numbers you would be making like 375 hp at the crank.

  4. #24
    Member mavrikZ's Avatar
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    Quote Originally Posted by 97z286speed
    i DID read the thread and my car was dyno'd on a mustang dyno, which is one of the more accurate types even for fbodies belive it or not. now i know all dynos will have number differences due to conditions and what not but 267 IS extremely low.
    on a mustang dyno, he should have been at around 305 assuming everything works properly and the general maintainence has been performed.
    There is no way a stock F body will make 305 on a Mustang dyno, unless you got one helluva freak.

  5. #25
    Member redz284u's Avatar
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    correct me if im wrong, but rule of thumb on a mustang dyno is add 15-20% and u get the jet number.....thats what i found out when i got my dyno sheet from a mustang dyno......it came down to how i was sizing up at the track....i was running 13.5- california speedway, almost same as the "others"...regardless of what the dyno reads out as long as i keep beating 06 gt's im good.....
    Last edited by redz284u; 05-01-2006 at 03:37 PM.
    98SS A4, TSP CLR LID, LS6 INTAKE, BMR SFC/STB/ LWR CNTRL & TRQ ARMS, KYB ADJ., HOTCHKINS SWAY BARS, MSD WIRES, JETHOT LT/ORY, MAGNAFLO CATBACK, EIBACH PROKIT, 19" TSW WHEELS, PERMA COOL TRANY COOLER.

    257.8 hp (MUSTANG-DYNO) b4 ANY MODS.
    13.6 1/4 mile

  6. #26
    Member mavrikZ's Avatar
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    Exactly^. If you ask any reputable Dyno shop, Mustang or DynoJet, they will tell you the same. The numbers he made are good for a Mustang

  7. #27
    Awaiting Activation Liquifire's Avatar
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    Quote Originally Posted by jtbball
    so basically theres a discrepency bc there are several different types of dynos that give different numbers. 267 is pretty low even if it is a mustang dyno and might be a little higher if the ac was off.
    basically my question is should i still by this car and if there is something wrong with it what would it be
    considering it was hot and had the AC on ...........the numbers are OK and you should not be concerned with it just because of the numbers.........buy it if the price is right.

  8. #28
    what u all think the right price is? i was thinkin 8000
    1998 z28 m6 80k t-tops cloth good cond

  9. #29
    sounds about right. although you and i both know theres gonna be some critics telling you to find better,i would take it.

  10. #30
    Member mavrikZ's Avatar
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    Sounds like a helluva deal to me! Do it!

  11. #31
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    316 hp on a Mustang dyno with 93 octane gas and mods in sig mius the SLP smooth bellows

    314 HP on dyno jet with 87 octane gas and smooth belows

    never dynoed it stock but it did 13.5@102 stock
    Last edited by tx77015ls1; 05-21-2006 at 08:39 PM.
    MTI Clear Lid (Free Ram Air Mod Raised Air box) Larger MAF Ends,K&N Filter, SS Exhasut with cut out, rear Lower control arms,smooth bellows,12.894@107.10MPH Dynoed 316 HP (Before RLCA and smooth bellows) 8.3.12 @86.86 1/8th mile 121,000 miles

  12. #32
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    Quote Originally Posted by jtbball
    i was interested in purchasing a 1998 z28 m6 and it was dyno'd stock at 267 rwhp i know it was on a mustang dyno but it thought it should be 300. just wondering if i should be concerned about the engine or have any reason not to by it... he said it was on a hot day with the ac on?
    Based on those numbers that car is probably pushing a little over 285whp, which is normal for that model year. The 01-02's dyno slightly higher, but aren't that much quicker.

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    Quote Originally Posted by oneBADDz
    You don't understand how the different dynos work, his numbers are good for a mustang dyno. If you dynod 305 on a mustang dyno than they corrected the numbers to match those of a dynojet, which is not necessarily unusual for places with mustang dynos. 267 is normal for a mustang dyno of an fbody. If you were to actually dyno 305 hp in mustang dyno numbers you would be making like 375 hp at the crank.

    On a mustang dyno I got 303 rwhp with slp lid and loudmouth .
    336 rwhp with ls6 intake kooks headers off road y-pipe(catless)
    and a magmaflow and tune (loudmouth sound like shit with headers)
    ???? so what would I be on a dyno jet. ? + 10%
    thanks
    Last edited by skar; 05-25-2006 at 09:16 AM.

  14. #34
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    Quote Originally Posted by skar
    On a mustang dyno I got 303 rwhp with slp lid and loudmouth .
    336 rwhp with ls6 intake kooks headers off road y-pipe(catless)
    and a magmaflow (loudmouth sound like shit with headers)
    ???? so what would I be on a dyno jet. ? + 10%
    thanks
    I've read that the mustang dyno typically reads 15% less. I dunno for sure though, and also some of the new dynojet's are recalibrated to use load on a car, like the Mustang Dyno.

    Considering your mods most people see over 350whp tuned, so i'd figure somewhere above there. It ain't what you put down on the dyno, but what you do at the strip.

  15. #35
    I own a Dynojet and have had many stock Camaros on it, including two of mine (98 and a 00) They all seem to put down anywhere between 300-310 at the rear wheels.. That is SAE correction. If the car is putting down 260 something AND its a 6 speed it is a little low, if its an auto, sounds about right.

  16. #36
    IMPORT KILLER PEWTER Z's Avatar
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    I just got my 99 Z28 dyno tuned on a Mustang Dyno, and managed to do 300 RWHP, and 289 RWT after having LT's, ORY, and a Hooker catback with cutout. I also have a a4 with a stall, and went to the track the next day and ran a 12.56 @ 108 in the 1/4, a 7.98 at 85 in the 1/8, with a 1.72 60'. My Z28 also has 116,000 miles on it as well. Your timeslips should be more important than the dyno numbers.

  17. #37
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    I did 314 HP and 327 Ft lbs torque ona Dynojet with 87 octane gas


    2000 Z28 A4 94,000 miles
    Last edited by tx77015ls1; 05-29-2006 at 09:41 AM.

  18. #38
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    i was thinking maybe they were running 87 octane. i notice a difference between the 87 and the 91 octane. but i haven't had it dynoed. i would think if the ac was on with 87 octane, that it could make the car run lower.

  19. #39
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    the a/c has a WOT switch though

  20. #40
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    Quote Originally Posted by PEWTER Z
    I just got my 99 Z28 dyno tuned on a Mustang Dyno, and managed to do 300 RWHP, and 289 RWT after having LT's, ORY, and a Hooker catback with cutout. I also have a a4 with a stall, and went to the track the next day and ran a 12.56 @ 108 in the 1/4, a 7.98 at 85 in the 1/8, with a 1.72 60'. My Z28 also has 116,000 miles on it as well. Your timeslips should be more important than the dyno numbers.
    wow good run ? street tires or drag.

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