Street Racing & Kill Stories Basic Technical Questions & Advice

hwy run G8 vs 392 SRT8

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Old 05-12-2013, 06:48 PM
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Originally Posted by wooddaniel
True. Tune wakes them up a lot.

Dyno Tune and cai g8 will be neck and neck with a stock srt8.
+1, I would probably still give the srt8 the nod as speed increases but a 1/4 run should be close. It's a shame the stock tune was so "bad".
Old 05-12-2013, 06:55 PM
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Originally Posted by S8ER95Z
My 12.88 pass was a 8.42... sounds like your IS moved out.
It ran 84mph in the 1/8th... I figure it was good for 105-106 in the 1/4. I traded it for my GT500.. its was nice.. tranny geared perfect etc. but you can't do many mods on them. Exhaust, and cold air was about it. The ECU was untunable... locked tight. Some people tried supercharging them, but could only run 6psi safely.. and for the cost of the kit vs hp gains, was not worth it.

I just had F-Sport filter, JoeZ intake pipe, and JoeZ racing exhaust. It dynoed 281rwhp sae.. not too bad I dont guess but that was about all it would ever make.
Old 05-12-2013, 07:26 PM
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Quicker than I would have expected... Mph is good.. Mine did 84-85 in the 1/8th stock, I jut had crap 60fts and bogged launches. Sounds like your IS just worked.... have to respect that.
Old 05-12-2013, 07:42 PM
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Originally Posted by S8ER95Z
Quicker than I would have expected... Mph is good.. Mine did 84-85 in the 1/8th stock, I jut had crap 60fts and bogged launches. Sounds like your IS just worked.... have to respect that.
Appreciate it. It DID surprise a few cars out there... semi sleeper. But alas.. I need more power, so I traded it.
Old 05-13-2013, 12:00 AM
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Originally Posted by S8ER95Z
+1, I would probably still give the srt8 the nod as speed increases but a 1/4 run should be close. It's a shame the stock tune was so "bad".
It was awful. I gained 4 MPH on my trap from a tune and CAI. Raised the rev limiter and some other stuff and it was a completely different car.
Old 05-13-2013, 07:28 AM
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Originally Posted by wooddaniel
It was awful. I gained 4 MPH on my trap from a tune and CAI. Raised the rev limiter and some other stuff and it was a completely different car.
For whatever reason I saw the same **** with my buddies A4 GTO (2006)... stock tune was garbage..completely different car with a tune on it.
Old 05-13-2013, 03:42 PM
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Originally Posted by S8ER95Z
For whatever reason I saw the same **** with my buddies A4 GTO (2006)... stock tune was garbage..completely different car with a tune on it.
Yep the autos are turds from GM untuned. Also the LS2 intake ****** sucks from the factory. I gained almost 30 RWHP on my 06 GTO from a ported intake and tb and tune only. went from 330 to 358 lol.

The best time I ran in my G8 with full exhaust and full bolt ons was a 12.xx @ 110- highest trap ever was 112. Minor weight reduction involved. The stock exhaust system weighs like 100 lbs its ridiculous. Just like the new Camaros.

Hands down I would rather have a G8 than an SRT though. They handle a lot better (I have owned a 2006 Charger R/T edition so Im not necessarily biased.) The G8 looks better, and better aftermarket.
Old 05-14-2013, 07:15 AM
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Why is it that people think that the SRT8 can't handle as well as a G8? The SRT8 and the RT don't have the same suspension.

http://www.roadandtrack.com/cm/roada...bdb0c97508.pdf

I know it's MAG info but, unless somone has better test data it's close enough.

Last edited by willys srt8; 05-14-2013 at 07:20 AM.
Old 05-14-2013, 07:36 AM
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Originally Posted by ****** srt8
Why is it that people think that the SRT8 can't handle as well as a G8? The SRT8 and the RT don't have the same suspension.

http://www.roadandtrack.com/cm/roada...bdb0c97508.pdf

I know it's MAG info but, unless somone has better test data it's close enough.
WHOA proof of an srt8 running low 13s (and running with GXPs)??? unpossible!!!!!
Old 05-14-2013, 09:14 AM
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We're talking handling now, I'm leaving you SRT8 guys alone on this one. I agreed with running low 13s, I agreed you guys pull on G8 GTs, but handling?

LOL Nah man. Can't agree with you guys here. Sorry.
Old 05-14-2013, 09:25 AM
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Originally Posted by odthetruth
We're talking handling now, I'm leaving you SRT8 guys alone on this one. I agreed with running low 13s, I agreed you guys pull on G8 GTs, but handling?

LOL Nah man. Can't agree with you guys here. Sorry.
There is a lot to be said for how a car 'feels' handling vs the numbers... hell my car actually handles pretty well in my mind... anyone riding with me would more than likely disagree a lot.
Old 05-14-2013, 09:27 AM
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Originally Posted by odthetruth
We're talking handling now, I'm leaving you SRT8 guys alone on this one. I agreed with running low 13s, I agreed you guys pull on G8 GTs, but handling?

LOL Nah man. Can't agree with you guys here. Sorry.
I agree that it's no Lotus but it handles comparable to it's DIRECT competition.
Old 05-14-2013, 11:25 AM
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I love your g8, good kill too!
Old 05-14-2013, 11:51 AM
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To make it a true comparison you have to go straight across and compare the R/T to the G8 GT, and the SRT8 to the GXP because in reality they are priced closer and the trim levels are closer.

for example: Base v6 G8 vs Base v6 charger
G8 GT vs Charger R/T
G8 GXP vs Charger SRT8

When you look at it from this logical standpoint it doesn't end well for the charger. Not saying they aren't nice cars, I actually like them.

Same thing happens with the Ford guys trying to compare 03-04 cobras to 98-02 f-bodies.

To be fair you have to compare models from the same year:

Base v6 camaro vs base v6 mustang
camaro z28/ss vs mustang GT (this gets ugly for ford quickly)
Berger/SLP optioned camaro vs Cobra
Old 05-14-2013, 01:05 PM
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Originally Posted by wooddaniel
Yep the autos are turds from GM untuned. Also the LS2 intake ****** sucks from the factory. I gained almost 30 RWHP on my 06 GTO from a ported intake and tb and tune only. went from 330 to 358 lol.

The best time I ran in my G8 with full exhaust and full bolt ons was a 12.xx @ 110- highest trap ever was 112. Minor weight reduction involved. The stock exhaust system weighs like 100 lbs its ridiculous. Just like the new Camaros.

Hands down I would rather have a G8 than an SRT though. They handle a lot better (I have owned a 2006 Charger R/T edition so Im not necessarily biased.) The G8 looks better, and better aftermarket.
my buddies l99 Camaro would run high 13's to low 14's bone stock. with just a tune it's down to low 13's. stock gm auto tunes are horrible.
Old 05-14-2013, 02:14 PM
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Originally Posted by loudblack97z71
To make it a true comparison you have to go straight across and compare the R/T to the G8 GT, and the SRT8 to the GXP because in reality they are priced closer and the trim levels are closer.

for example: Base v6 G8 vs Base v6 charger
G8 GT vs Charger R/T
G8 GXP vs Charger SRT8

When you look at it from this logical standpoint it doesn't end well for the charger.
This^ Until the 5.7l Eagle RT and the 6.4l 392 SRT8.
Old 05-14-2013, 02:48 PM
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Originally Posted by loudblack97z71
To make it a true comparison you have to go straight across and compare the R/T to the G8 GT, and the SRT8 to the GXP because in reality they are priced closer and the trim levels are closer.

for example: Base v6 G8 vs Base v6 charger
G8 GT vs Charger R/T
G8 GXP vs Charger SRT8

When you look at it from this logical standpoint it doesn't end well for the charger. Not saying they aren't nice cars, I actually like them.

Same thing happens with the Ford guys trying to compare 03-04 cobras to 98-02 f-bodies.

To be fair you have to compare models from the same year:

Base v6 camaro vs base v6 mustang
camaro z28/ss vs mustang GT (this gets ugly for ford quickly)
Berger/SLP optioned camaro vs Cobra
I agree with everything except the bolded part. Berger was not an option you could order through GM where as the SLP Camaro SS was.
Old 05-15-2013, 07:32 AM
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Originally Posted by 916 BREDWNR
I agree with everything except the bolded part. Berger was not an option you could order through GM where as the SLP Camaro SS was.
Yeah I'm aware of that. I was simply trying to point out that a cobra doesn't directly compare to a z28/SS, you'd have to compare it to a special edition or SLP optioned camaro to be fair, a firehawk or other rare car may fall into this category also.

Growing up in South MI, near a Berger dealer it was an option to order a camaro with the Berger package. I agree tho, it was a dealer installed package. My previous post was worded incorrectly.
Old 05-15-2013, 01:58 PM
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Originally Posted by ****** srt8
I agree that it's no Lotus but it handles comparable to it's DIRECT competition.
If comparable means "worse but not TOO bad", then I'll agree. LOL
Old 05-15-2013, 02:27 PM
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Originally Posted by odthetruth
If comparable means "worse but not TOO bad", then I'll agree. LOL
Apparently you didn't read the handling test results....

SRT8 Charger(pre 2011): .88g lateral accel
65.8mph slalom speed

G8 GXP: .88g lateral accel
65mph slalom speed

Like I said the R/Ts don't have the same suspension that the SRT8s do. Just because it feels one way or another by using the *** accelerometer, doesn't mean your *** is calibrated. I use accelerometers for smoothing helicopter rotor systems. Just because my *** says it feels fine, and I have been doing it for 20+ years, doesn't mean the accelerometers will say that. So unless you have better test data or equipment, I will have to disagree.


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