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Author
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Topic: running w/o mufflers?
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JoeT
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Member # 298
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posted
 
 
Anybody ever get a gain in mph or ET from this? I'm considering removing my tailpipes/mufflers at the track to see if it's worth anything.
Does it work for any of you guys?
btw I currently run Borla XR-1 mufflers so I don't expect much but you never know.
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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KCmustangboy
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Member # 1927
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posted
You will lose about 5hp and 4lbs of torque depending on setup. Check the december issue of 5.0. But you never know the wieght loss might make up for it. never hurts to try.
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03 Cobra... Factory long block, with Whipple and AED tune... 812rwhp 10.0s @ 140... almost there!
WWW.AEDHP.COM
Posts: 1691 | From: San Jose, CA | Registered: Oct 2002
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93PONY
Mr. Valve Events
Member # 60
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posted
I bet I'd gain. ![[Big Grin]](biggrin.gif)
But....totaly different setup.
Gained 3mph from the off-road H over the catted X. & I bet there's more in it.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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JoeT
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Member # 298
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posted
was the extra 2 PSI worth anything?
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by shade-tree:
was the extra 2 PSI worth anything?
2psi backpressure? Yeah! 3mph so far.
Boost is still at 8psi, but creeps to 10 instead of 9.5 by 6K.
Maybe I should just set it at 10psi & be done with it. ![[Smile]](smile.gif)
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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JoeT
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Member # 298
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posted
any idea how EGT or air fuel is doing? would suck unbelievable dog balls to lose another motor ![[Frown]](frown.gif)
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
quote:
Originally posted by 93PONY:
quote:
Originally posted by shade-tree:
was the extra 2 PSI worth anything?
2psi backpressure? Yeah! 3mph so far.
Boost is still at 8psi, but creeps to 10 instead of 9.5 by 6K.
Maybe I should just set it at 10psi & be done with it.
10psi is for people with teal cobra show cars ![[Wink]](wink.gif) Put 20psi to that bad boy and let's see what it will do ![[Eek!]](eek.gif)
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
Joe, Check with Drew, He tried this in the past and lost ET and MPH
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by shade-tree:
any idea how EGT or air fuel is doing? would suck unbelievable dog balls to lose another motor
Pulled the plugs while I was doing the exhaust swap. Plugs looked better then any other time I've pulled them.
No audible ping & Byron said the off-road wouldn't effect the Maf tune.
I made no timing or FP changes....it didn't need it.
Hey Mark, how about we slap the 150 jet in your ride...
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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JoeT
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Member # 298
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posted
150 shot vs. Tremec 3650 2nd gear vs. 3600#'s, hmmmm
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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JoeT
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Member # 298
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posted
anybody know why running cutouts/hacked exhaust works for the chevy guys and not us?
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
quote:
Originally posted by 93PONY:
quote:
Originally posted by shade-tree:
any idea how EGT or air fuel is doing? would suck unbelievable dog balls to lose another motor
Pulled the plugs while I was doing the exhaust swap. Plugs looked better then any other time I've pulled them.
No audible ping & Byron said the off-road wouldn't effect the Maf tune.
I made no timing or FP changes....it didn't need it.
Hey Mark, how about we slap the 150 jet in your ride...
When I have the money for a new motor, 150 will be to small ![[dance]](graemlins/dance.gif)
Lets see what that bad boy will run with 10psi skinnies and some et streets. Should be a badass 10sec 93 cobra.
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by bunchmyfunky:
quote:
Originally posted by 93PONY:
quote:
Originally posted by shade-tree:
any idea how EGT or air fuel is doing? would suck unbelievable dog balls to lose another motor
Pulled the plugs while I was doing the exhaust swap. Plugs looked better then any other time I've pulled them.
No audible ping & Byron said the off-road wouldn't effect the Maf tune.
I made no timing or FP changes....it didn't need it.
Hey Mark, how about we slap the 150 jet in your ride...
When I have the money for a new motor, 150 will be to small
Lets see what that bad boy will run with 10psi skinnies and some et streets. Should be a badass 10sec 93 cobra.
Nah... It's just another 'weak-nuts' FTI camed 3600lb streetcar.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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Yellow94GT
Mr. 60 FT
Member # 431
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posted
quote:
Originally posted by 93PONY:
I bet I'd gain.
But....totaly different setup.
Gained 3mph from the off-road H over the catted X. & I bet there's more in it.
You are comparing apples to oranges, (my driving to yours).
I would bet that you can match the ET I posted easily due to my piss poor 60ft times and even get the MPH I posted due to the fact that I have only even sat in you car twice.
But for referance, the last time when you had a higher MPH then me you handed me your keys with a week clucth that you had already made a few passes on, or did you want to forget about that?
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AED
1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
I HAVE to hit an 11 before you drive it agian! & I'm sure the MPH will go up. You're a GREAT driver....but I think the idiot light (shift light) will help me get more out of it. Hell, just not bogging off the line will pop up the MPH.
We'll see.... You may be in the driver seat come 4/12...
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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JoeT
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Member # 298
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posted
Shaun, I'm going to hit an 11 before you
going Friday?
I am + straight wheel studs ![[patriot]](graemlins/patriot.gif)
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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Yellow94GT
Mr. 60 FT
Member # 431
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posted
Man, you saw me go 11.9 with a HORRIBLE 2.1 60ft. You have that 11 second pass coming on your next time to the track if not your very next pass.
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AED
1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
All in due time. I just realized I'm busted broke. So, no track time for a while. Probably the next time out will be for Grudgenight on 4/12.
Joe, how much more weight did you take out searching for that 11 second pass???
Looks like torque box re-inforcments are going in before the next track outing too.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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JoeT
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Member # 298
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posted
I think running ~ 190#'s less than stock weight is fair when comparing to a twice turbo'd stroker
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by shade-tree:
I think running ~ 190#'s less than stock weight is fair when comparing to a twice turbo'd stroker
Your coupe weighed 2960 stock!?! ![[Razz]](tongue.gif)
Slap my motor in your coupe & you'd be running 10's at 130mph.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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JoeT
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Member # 298
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posted
give me 125 mph traps and I'll show you 10's
2960 was less jack/spare, 1/8 tank. Throw me in there and my stock weight was ~ 3160.
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by shade-tree:
give me 125 mph traps and I'll show you 10's
2960 was less jack/spare, 1/8 tank. Throw me in there and my stock weight was ~ 3160.
Yeah, yeah, I get it.... I'm a shitty driver.
Damn I miss my CHP coupe....
Can't race-out this Cobra...it's just not right.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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JoeT
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Member # 298
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posted
that's not what I'm saying, I just think my car's weight balance allows some pretty good hook. I'm sure I'd be the 13 second man in your car
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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Yellow94GT
Mr. 60 FT
Member # 431
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posted
quote:
Originally posted by 93PONY:
Looks like torque box re-inforcments are going in before the next track outing too.
Seems like just somemore useless weight, or are you planning on running some slicks? As far as I know you don't have enought tire to even worry about TQ boxes ![[Confused]](confused.gif)
edit: don't forget....i NEED 400 rwhp
[ March 31, 2003, 07:59 PM: Message edited by: Yellow94GT ]
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AED
1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
They've been making wierd noises for some time.
Better safe then sorry. $79 shipped.
Pure bolt-in design.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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