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Old 11-17-2013, 04:53 PM   #1
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Taking 98 z28 to dyno friday

My 98 z28 has hooker long tube header , off road y pipe 3 inch and flowmaster I am taking it to dyno what numbers do you guys think I will see
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Old 11-17-2013, 05:30 PM   #2
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Manual or auto Trans?
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Old 11-17-2013, 06:11 PM   #3
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Manual or auto Trans?
It's auto wish it was a 6 sp
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Old 11-17-2013, 06:36 PM   #4
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296 RWHP 320 torque
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Old 11-17-2013, 06:53 PM   #5
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296 RWHP 320 torque
Hmmm.... Someone is a little ambitious with their numbers. I guess lower by a bit. And that to the engine... Lol. Just my opinion though.

Unless there is some sarcasm there
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Old 11-17-2013, 08:56 PM   #6
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Flowmaster will hurt the numbers by 2-4 RWHP over any other catback.

Does it have an intake? Does it have an airbox lid? Transmission stock? If not, does it have a stall?
What brand of dyno?

I would guess 305/332 at the wheels. Very random though since we have little to no information about the car or the dyno.

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It's auto wish it was a 6 sp
Get a shift kit and a stall and you will change your mind.
Proper setup with an automatic will whoop up on that M6 car out of the hole....and will never miss shifts.
I have a heavy ass SUV with a stock motor that will piss off most bolt-on M6 F-Body's. It's an automatic.
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Old 11-17-2013, 09:11 PM   #7
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Flowmaster will hurt the numbers by 2-4 RWHP over any other catback. Does it have an intake? Does it have an airbox lid? Transmission stock? If not, does it have a stall? What brand of dyno? I would guess 305/332 at the wheels. Very random though since we have little to no information about the car or the dyno. Get a shift kit and a stall and you will change your mind. Proper setup with an automatic will whoop up on that M6 car out of the hole....and will never miss shifts. I have a heavy ass SUV with a stock motor that will piss off most bolt-on M6 F-Body's. It's an automatic.
I know automatics are better for dragracing but I just like to have a stick because there are a lot more fun to drive
I do have a airbox and a KnN filter nothing else
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Old 11-17-2013, 09:33 PM   #8
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If you think they are more fun go with a manual valve body.... I actually think they are more fun than standard... Or go with electronic shift...
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Old 11-22-2013, 05:23 PM   #9
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[QUOTE="A92RSnamedSARGE;564183"]If you think they are more fun go with a manual valve body.... I actually think they are more fun than standard... Or go with electronic shift...[/QUOTE

Dyno tuned the camaro today all stock except headers and KnN filter 306.5 Rwhp
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Old 11-22-2013, 06:04 PM   #10
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What was the torque?
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Old 11-22-2013, 06:11 PM   #11
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What was the torque?
310 torque
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Old 11-22-2013, 08:04 PM   #12
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Damn....Only off by 1.5 rwhp. Congrats, good numbers
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Old 11-22-2013, 09:23 PM   #13
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[QUOTE="Mr. Luos;565220"]Damn....Only off by 1.5 rwhp. Congrats, good numbers[/QUOTE
Great estimate
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Old 11-25-2013, 09:28 AM   #14
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Quote:
Originally Posted by C Haacker View Post
My 98 z28 has hooker long tube header , off road y pipe 3 inch and flowmaster I am taking it to dyno what numbers do you guys think I will see
im going to estimate with everything else stock around 350 maybe 365 hp
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Old 11-26-2013, 08:44 AM   #15
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Quote:
Originally Posted by 87camaroirockid View Post

im going to estimate with everything else stock around 350 maybe 365 hp
He already did it. He got 306.5rwhp and 310 tq.
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Old 11-28-2013, 12:59 AM   #16
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Hey hooker long tube headers
Dyno tune = 29.4 mpg
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Old 11-28-2013, 02:14 AM   #17
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Hey that's great jack
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Old 11-28-2013, 05:37 PM   #18
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Quote:
Originally Posted by C Haacker View Post
Hey hooker long tube headers
Dyno tune = 29.4 mpg
That is M6 territory.....no way an automatic is pulling that kinda mileage. Best I got with a tuned and bolt on M6 was around 30, maybe a touch over.

Not that it matters, these cars do well with mileage but I doubt anyone bought them with mileage in mind lol
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Old 11-30-2013, 10:29 AM   #19
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Quote:
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That is M6 territory.....no way an automatic is pulling that kinda mileage. Best I got with a tuned and bolt on M6 was around 30, maybe a touch over.

Not that it matters, these cars do well with mileage but I doubt anyone bought them with mileage in mind lol
My 98 z28 gets 28 fairly often so i wouldnt say 29 is out of the question.BUT i also have the junk 2.73 gears. If not i wouldnt see better i dont think. I told my wife just the other day i didnt buy it for the gas mileage, but it sure is nice to have.
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Old 12-01-2013, 01:55 AM   #20
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I always forget they used the 2.73's in some cars....that would help out a bunch.
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