F-Body Europe


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PostPosted: Sat Jun 12, 2004 8:30 pm 
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What are they, nuts? Heck, before anybody sees my muffler, the car's wheels up on the road ...

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PostPosted: Mon Jun 14, 2004 4:19 pm 
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"
From what I learned now:
The difference from the Euro V6 muffler to the US muffler is aprox 7 hp.
With a Flowmaster or similar system the gains are quite substantial.
"

what do you mean by "substantial" ?

7hp ?

what about the PCM version?

I've found the place to get US PCM:
http://www.tacreationsusa.com/ecms.htm

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PostPosted: Tue Jun 15, 2004 7:52 am 
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Like - a much bigger difference. Even though 7 hp is a big difference by Euro standards, there is an even bigger difference with a better muffler.

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PostPosted: Tue Jun 15, 2004 10:04 am 
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Do the euro and US 3.8s have different speedos? (my 3.4 has a 150mph one...) So if you use a US pcm will you set the speedo of? (like using a V8 speedo on a V6 will show wrong readings...)

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PostPosted: Tue Jun 15, 2004 10:05 am 
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What is substantial?

If we forget about the PCM, which should just have a different software to acomodate the more restrictive muffler, the stock US muffler is +7 hp.

The stock US Z 28 muffler is an additional +5 hp, so it ads up to +12 hp.

A B&B Triflow was dynoed in 1996 in reference to the stock US V6 muffler on a 3800 Camaro with + 12 hp, so that would ad up to +19 hp.

As I said, the PCM seems just to be programmed differently, so this could be changed with Hypertech or the new software for laptops that allows to manipulate singele parameters. According to Hypertech´s dyno this should be good for another 10 hp, so that combined you would get anywhere between 210 and 222 hp, depending on the exhaust system. Ad another 5 hp for a CAI and you´ll be at 215 to 227, enough to run about 230 kph depending on the rear end ratio. All the figueres above except for the CAI are according to published dyno tests.
[/img]

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PostPosted: Tue Jun 15, 2004 10:19 am 
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To be honest, i don´t like that horsepower adding, things just don´t work that way, they influence each other.
Some 3.8 dynoed just 200rwhp with having heads and cam done, some 3.8s put out just 170rwhp stock...
(not picking on that engine - some 3.4s had just 135rwhp stock :oops: )

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PostPosted: Tue Jun 15, 2004 12:30 pm 
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Hey, the 3.8 is a pretty decent engine ... beat some 5.0 3rd gens with my 'vert with some time to spare ;)

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Garry Glendown * '99 Firehawk Convertible

"Horsepower is how fast you hit the wall and torque is how far you take the wall with you."
"Speed doesn't kill - suddenly becoming stationary on the other hand ..."


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 Post subject: ...
PostPosted: Tue Jun 15, 2004 4:07 pm 
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I've beat Mustang MACH 1 1970 and C3 1975 with 350ci with my 3.8 on the 1/4 track

but that's true , 200 hp are at the flywheels not at the wheels...
M5 are 175 hp stock, auto are about 170 depending on temperature, humidity ,etc...

what are the exact transmission loss?

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 Post subject: ...
PostPosted: Tue Jun 15, 2004 4:14 pm 
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When I put my catback, I won hp, okay.
20 hp sounds a lot thought...I feel about the same gain the my whisper lid (5, 10 hp?).
Maybe the big sound added influence me...I don't know
Whish I had a dyno

do you know that 200hp SAE = 203 hp DIN...
in europe we are 193HP DIN RATED

it's 10 hp!!!

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PostPosted: Tue Jun 15, 2004 4:15 pm 
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ChrisV6 wrote:
(not picking on that engine - some 3.4s had just 135rwhp stock :oops: )

I like the 3.8, i know it´s fast and even faster thant some V8s.
I said I´m NOT picking on that engine, i just wanted to say my opinion about horsepower calculations :o :wink:

Don´t know about the transmission loss, I heard already everything from 10 to 30%..


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 Post subject: Re: ...
PostPosted: Tue Jun 15, 2004 9:57 pm 
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diamondduff wrote:
Maybe the big sound added influence me...I don't know
Wish I had a dyno

It's true, the sound makes you think different. As long as the time slips improve, it's working.

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 Post subject: pcm...
PostPosted: Tue Jul 20, 2004 7:49 pm 
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about the pcm, us V6 avec T ratd tired and 115 mph (185 km/h) top speed...

So swap our PCM with a us version isn't a good idea...

I can reach 210 km/h on the 4th speed

Custom programming is the solution

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PostPosted: Sat Jul 14, 2007 12:16 pm 
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hello diamonduff you are here too! cool!
i'm going to buy a 88 firebird with a 2L8 V6 :wink:


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 Post subject: Re: 193 horsepower
PostPosted: Mon Apr 07, 2008 11:03 pm 
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Here is the shocking truth.

I've sold my camaro, I've a C5 now ...
I've just bought HP TUNER

I've compared the V6 European PCM vs the usa pcm :

http://corvettecircus.forumsactifs.com/reprogrammation-f22/debridage-firebird-camaro-38-v6-t1612.htm

:ok: :ok: :ok:

happy to have finally found the truth...

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-Corvette C5 MN6(ARH 1-3/4 Headers, Callaway Honker, TI muffler, pfadt Sway bars, Textralia OZ Clutch Grip Z, Pfadt suspensions, TFS 215 Head, VRX5 Cam, Ported FAST 92 / LS2 TB,Hp tuner Tuned, ... = 445 rwhp on mustang dyno) http://www.corvettecircus.com


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 Post subject: Re: 193 horsepower
PostPosted: Tue Apr 08, 2008 12:22 am 
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Congrats!

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Garry Glendown * '99 Firehawk Convertible

"Horsepower is how fast you hit the wall and torque is how far you take the wall with you."
"Speed doesn't kill - suddenly becoming stationary on the other hand ..."


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 Post subject: Re: 193 horsepower
PostPosted: Tue Apr 08, 2008 9:17 am 
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I cannot say "congrats" cause you sold the Camaro, however I can say "congrats" case you sold the V6. :D

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 Post subject: Re: 193 horsepower
PostPosted: Tue Apr 08, 2008 12:05 pm 
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I've not forget the f bodies!!!

I'm tuning them too ! :ok:

Plus It's easier to tune them than vettes, the vette is more optimised from factory (no egr, no speed limiter, etc..).

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-Corvette C5 MN6(ARH 1-3/4 Headers, Callaway Honker, TI muffler, pfadt Sway bars, Textralia OZ Clutch Grip Z, Pfadt suspensions, TFS 215 Head, VRX5 Cam, Ported FAST 92 / LS2 TB,Hp tuner Tuned, ... = 445 rwhp on mustang dyno) http://www.corvettecircus.com


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 Post subject: Re: 193 horsepower
PostPosted: Thu Apr 10, 2008 8:21 am 
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I have a euro Z28 and with a speaker box in the box and bad shocks i put down a 14.126 in the 1/4. I do have short tube headers, K/N filter only and the Cat back off my 95 Z28 that the wifey t-boned!! The factory Z28 had a single exhaust tip but she still ran.

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 Post subject: Re: 193 horsepower
PostPosted: Thu Apr 10, 2008 9:56 pm 
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theshadowed1 wrote:
I have a euro Z28 and with a speaker box in the box and bad shocks i put down a 14.126 in the 1/4. I do have short tube headers, K/N filter only and the Cat back off my 95 Z28 that the wifey t-boned!! The factory Z28 had a single exhaust tip but she still ran.



14.126 ? that's pretty low... :nono:
You should be in the mid 13'

I'm 12'77 with the same LS1 :fruit:

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-Corvette C5 MN6(ARH 1-3/4 Headers, Callaway Honker, TI muffler, pfadt Sway bars, Textralia OZ Clutch Grip Z, Pfadt suspensions, TFS 215 Head, VRX5 Cam, Ported FAST 92 / LS2 TB,Hp tuner Tuned, ... = 445 rwhp on mustang dyno) http://www.corvettecircus.com


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 Post subject: Re: 193 horsepower
PostPosted: Fri Apr 11, 2008 10:57 am 
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yeah i know. My speaker box is about 120-150lbs. I am guessing i would be low 13's without all the crap. Not to mention the weight wore my springs out so when i roll over a big big my car bounces!!! Yeah i don't it but i reaaly need to find some good stiff springs and shocks too!! I am leaning toward Koni or bilstein in an adjustable setting.


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