Took my newly B&G tuned 392 to the track - Page 6 - Dodge Challenger Forum: Challenger & SRT8 Forums
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#51 (permalink) Old 11-16-2012, 04:05 PM
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I'm not totally up on this stuff, but I do remember seeing a video on this site where the throttle opening was actually being reduced by the PCM during shifts (and you can bet timing was being pulled too). On the aftermarket tunes, I wonder if they have totally removed the torque management on the 6-speeds, or just reduced it. Seems like the transmission should be able to take it (Viper trans right?), but maybe it's there to prevent burst knock, or to protect the rear differential.

I'd think that the reason 6-speeds don't have MDS is that 6th gear is so tall that there just isn't much to gain by shutting off cylinders.

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#52 (permalink) Old 11-17-2012, 10:03 AM
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Four runs last night on the stock ECU, A5, stock F1s and a CAI were from 13.04 (TC on and bogged on the line)
and three in the 12.8s. Trap speed 110 - 111. All 60' were > 2.0 seconds (TM kills the shifts even in sport mode on the A5s)

Four Runs same night with B&G 93 Octane, F1s, CAI were from 12.41 - 12.52 with all 60's >2. Trap speed between 111.72 to 113.26.

Consistant .3 to .4 improvements and 2MPH with the B&G. Shifts in sport mode are very firm and no bogg.
No doubt that TM hurts the A5s as much if not more so than the M6s.

Took a G8, three stangs, an older vet and two SSs. We all had a hard time hooking.

Good times... DRs next.
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#53 (permalink) Old 11-17-2012, 10:51 AM
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Quote:
Originally Posted by Kakdiesel1 View Post
Attachment 57656

As I stated my Very Stock 392 runs 12's wo a tune. Comparing to some of you with a tune my car should run high 11's.
This race was block time and my times just kept getting better and better so, the other guy won. Never the less, your cars should be running 12's all day any day wo tuning.
just saw your timeslip here and added you to the 392 list.

cut your 60' by .2 and you are knocking on very low 12's.


Sent from my keyboard, typed in by me the old fashion way.

John
best run 12.283@114.18mph - 100% factory stock on factory tires.

best 60' 1.841 - 100% stock on factory tires

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#54 (permalink) Old 11-17-2012, 09:36 PM
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I went through the whole thread before posting. Is it really that hard to cut 12's with a manual 392?
My R/T runs 13.1x's with a 2.0x 60 ft time on the factory F1's. Personal best is 13.12 @ 106.39 at Beech Bend Raceway 4/14/2012. The track is 529ft above sea level and the Drag Times Density Altitude Calculator 2076ft.
That same weekend (CF3) I saw numerous 6.1's with the M6 run in the mid-13's.
Of course, my car is an automatic with a canned tune, a thermostat, a CAI, and a Solo cat-back but I would bet a set of drag radials and a better 60 ft time in the 1.8's would net a high 12 for sure.
The SRT 392 with 100 extra hp should trounce my car but it seems that is not the case if the SRT is a manual.
Glad I pocketed the extra $15K plus. Should be enough $ to get me an Arrington 426!
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#55 (permalink) Old 11-18-2012, 01:13 AM
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Quote:
Originally Posted by 70stroker View Post
I went through the whole thread before posting. Is it really that hard to cut 12's with a manual 392?
My R/T runs 13.1x's with a 2.0x 60 ft time on the factory F1's. Personal best is 13.12 @ 106.39 at Beech Bend Raceway 4/14/2012. The track is 529ft above sea level and the Drag Times Density Altitude Calculator 2076ft.
That same weekend (CF3) I saw numerous 6.1's with the M6 run in the mid-13's.
Of course, my car is an automatic with a canned tune, a thermostat, a CAI, and a Solo cat-back but I would bet a set of drag radials and a better 60 ft time in the 1.8's would net a high 12 for sure.
The SRT 392 with 100 extra hp should trounce my car but it seems that is not the case if the SRT is a manual.
Glad I pocketed the extra $15K plus. Should be enough $ to get me an Arrington 426!
Its not easy trying to launch a rwd, high in torque, manual transmission car. You dont just smash the gas and hope the tires stick, its all about slipping the clutch.. too much clutch and u'll smoke the tires, not enuff clutch and the car will bog..

Try racing a manual 392 from a 20 roll, he'll easily put 3-4 car lenghts on ur modded R/T..
(Then u'll realize that you shoulda went the extra mile and dished out the $15K)

Last edited by NomadSRT8; 11-18-2012 at 01:14 AM.
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#56 (permalink) Old 11-18-2012, 10:31 AM
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Quote:
Originally Posted by 70stroker View Post
I went through the whole thread before posting. Is it really that hard to cut 12's with a manual 392?
My R/T runs 13.1x's with a 2.0x 60 ft time on the factory F1's. Personal best is 13.12 @ 106.39 at Beech Bend Raceway 4/14/2012. The track is 529ft above sea level and the Drag Times Density Altitude Calculator 2076ft.
That same weekend (CF3) I saw numerous 6.1's with the M6 run in the mid-13's.
Of course, my car is an automatic with a canned tune, a thermostat, a CAI, and a Solo cat-back but I would bet a set of drag radials and a better 60 ft time in the 1.8's would net a high 12 for sure.
The SRT 392 with 100 extra hp should trounce my car but it seems that is not the case if the SRT is a manual.
Glad I pocketed the extra $15K plus. Should be enough $ to get me an Arrington 426!
You answered your own question. 6.1 M6 consistently running mid-13s at your track. The 392 M6 makes that low 13's - call it 4 tenths quicker on average.

A bone stock 392 A5 will run 12.6-12.7 all day in that air. A 392 A5 with similar mods as your R/T will run high 11s to low 12s.

If you are willing to snap a half shaft - yes DRs and a 4500 RPM clutch dump on the M6 392 will get you 1.7x 60' times and a mid 12's pass if you can shift. According to VicHammer a bone stock M6 392 on OEM F1s busted a half shaft at our local track 2 weeks ago. He said it was LOUD. Didn't even launch hard, but I'm betting it was wheel hop that did the dirty deed.

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#57 (permalink) Old 11-19-2012, 09:32 AM
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Quote:
Originally Posted by 70stroker View Post
I went through the whole thread before posting. Is it really that hard to cut 12's with a manual 392?
My R/T runs 13.1x's with a 2.0x 60 ft time on the factory F1's. Personal best is 13.12 @ 106.39 at Beech Bend Raceway 4/14/2012. The track is 529ft above sea level and the Drag Times Density Altitude Calculator 2076ft.
That same weekend (CF3) I saw numerous 6.1's with the M6 run in the mid-13's.
Of course, my car is an automatic with a canned tune, a thermostat, a CAI, and a Solo cat-back but I would bet a set of drag radials and a better 60 ft time in the 1.8's would net a high 12 for sure.
The SRT 392 with 100 extra hp should trounce my car but it seems that is not the case if the SRT is a manual.
Glad I pocketed the extra $15K plus. Should be enough $ to get me an Arrington 426!
Attachment 57828

Attachment 57829

Attachment 57830
Another thing that nobody mentions, you can probably make a M6 392 run great times whereas someone else cannot. Do not underestimate the driver mod, you can make your 5.7 boogie!

I too find it hard to believe that a track near sea level, it's hard to get into the 12s with a 6 speed, guess I should try it though before I talk. I've had my car for a few months now and I feel like I'm getting pretty good at it.

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Last edited by EricG; 11-19-2012 at 09:32 AM.
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#58 (permalink) Old 11-19-2012, 12:04 PM
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Another thing that nobody mentions, you can probably make a M6 392 run great times whereas someone else cannot. Do not underestimate the driver mod, you can make your 5.7 boogie!

I too find it hard to believe that a track near sea level, it's hard to get into the 12s with a 6 speed, guess I should try it though before I talk. I've had my car for a few months now and I feel like I'm getting pretty good at it.
Yes, the driver mod is ever so important with a "real" manually shifted car. Go to the track and you'll see some of the strangest times with cars that you know are faster. <---It's only that the drivers are not.

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#59 (permalink) Old 11-19-2012, 04:20 PM
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I ran stock, and another driver ran the b&g ecu. I am a A5, he was a M6, bastard ran a 12.46 to my 12.58 that day. I think he grinded 3rd also, he was lurching hard on me. :-/


That was the first week the b&g came out.

Dodge Challenger 392 SRT8(Green w/Envy) Mods in order: oil catch-can, K&N air filter, Petty's Strut brace front/rear, tran brace, Escort 9500IX(can't stop going fast), ARH LT[Catless]/Catback Exhaust, B&G ECU Tune.
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#60 (permalink) Old 11-19-2012, 07:20 PM
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he was lurching hard on me. :-/
The beauty of reduced (to no) TM. Gotta love it!

Last edited by gr8srt8; 11-19-2012 at 07:21 PM.
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