Street Racing & Kill Stories Basic Technical Questions & Advice

2000 Firebird Trans Am WS.6 vs. 2011 Mustang GT 5.0

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Old 03-26-2012, 09:07 AM
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Originally Posted by kennyxg
I have to agree my coupe when it was bone stock ran a best of 14.3, with the addition of 373's it went 13.80's. But with the gears though. The car weigh's 3100 without driver.
correct. and if i recall, 3.73's were an option back then.
Old 03-26-2012, 09:10 AM
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Originally Posted by 1ltcap
that would be due to the fact that you don't know what you think you know.
Funny.....cause it seems I'm right on according to others. I think you got 15.3 & 14.3 confused.
Old 03-26-2012, 09:14 AM
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Originally Posted by S8ER95Z
Maybe I was thinking of the 'short belt', lt1 cars could pull the belt.
to be honest, one of the things that mustang guys liked to do, was to install a short belt, bypassing the a/c....which was pretty stupid, because the compressor cut off under wide open throttle anyway....thus they gained nothing.
pulleys helped them a bit, but they also created other problems. mostly charging problems, and in extreme cases i saw a couple guys overheat due to pulleys. i had one guy had me install them, against my advice. he lasted 6 months, before he finally brought it back and had me remove them.
Old 03-26-2012, 09:16 AM
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Originally Posted by glennster
I've had 7 foxes and no, they did not. Several hundred pounds is not true either.
i've had 2. one was an 83, so that sort of doesn't count. the 89 was a gt, and went mid 14's before i touched it.
Old 03-26-2012, 09:19 AM
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Originally Posted by 1ltcap
correct. and if i recall, 3.73's were an option back then.
308s were an option on stick cars and 327s on autos

Originally Posted by 1ltcap
to be honest, one of the things that mustang guys liked to do, was to install a short belt, bypassing the a/c....which was pretty stupid, because the compressor cut off under wide open throttle anyway....thus they gained nothing.
pulleys helped them a bit, but they also created other problems. mostly charging problems, and in extreme cases i saw a couple guys overheat due to pulleys. i had one guy had me install them, against my advice. he lasted 6 months, before he finally brought it back and had me remove them.
I agree-to hell with that. I actually ran race pulleys for ten years with stock alternator and had no problems-weird. I did ditch the air pump in later years since I didn't have cats
Old 03-26-2012, 09:22 AM
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I was wondering how a 4th gen would match up a new mustang. Coyote power did I great job with that new 5.0, and I hate to say it, ford with the overall car.
Old 03-26-2012, 09:27 AM
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Originally Posted by Mike Morris
308s were an option on stick cars and 327s on autos



I agree-to hell with that. I actually ran race pulleys for ten years with stock alternator and had no problems-weird. I did ditch the air pump in later years since I didn't have cats
then i stand corrected on the diff. ratios.

yea....i did run pulleys on mine, as i started modifying it.....but i never installed the alternator pulley. mine had cats, and i never took any of the emissions stuff off........i wanted it to pass inspection legally, and still be fast.
Old 03-26-2012, 09:34 AM
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Originally Posted by Irunelevens
That was funny, but the answer is "not really." Two things should be blatantly obvious to anybody that visits this forum more than a few times; owning a car does NOT make you an expert, and street races aren't a good way to judge how close two types of cars really are when it comes to performance. Which is perfectly ok, until you start to base "facts" off of those experiences. Is an LS1 F-body strong enough to run with a new Mustang or Camaro? Absolutely. But when it comes down to it, when talking about comparable models, the numbers (which is what should be used to determine which CAR is quicker/faster) show that if both cars are in equally-capable hands, it's a one-sided fight. Is the LS1 a great motor? Hell yeah, I signed up here in the first place to buy one. But the LT1 was hot **** at one point as well, and discussions like this were had comparing those two about fifteen years ago. And we know how that turned out.
I know man, just busting your chops a little bit I have yet to run into either a new Camaro or 5.0, but with the average times most are running I'm willing to bet the old LS1 will still put up a good fight with both. Hell there's been a couple guys with vids on here with an fbod running with a 5.0 on the street....track's going to be a different story. At least stock for stock.
Old 03-26-2012, 09:47 AM
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Originally Posted by ss#2420
I was wondering how a 4th gen would match up a new mustang. Coyote power did I great job with that new 5.0, and I hate to say it, ford with the overall car.
All I know is what I ran stock and a new 5.0 more than had me covered.

It might 'appear' close depending on what speeds you race from but the numbers don't lie.
Old 03-26-2012, 09:48 AM
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Originally Posted by 1ltcap
to be honest, one of the things that mustang guys liked to do, was to install a short belt, bypassing the a/c....which was pretty stupid, because the compressor cut off under wide open throttle anyway....thus they gained nothing.
pulleys helped them a bit, but they also created other problems. mostly charging problems, and in extreme cases i saw a couple guys overheat due to pulleys. i had one guy had me install them, against my advice. he lasted 6 months, before he finally brought it back and had me remove them.
Good info...I never owned one.. many friends did (well they were friends until I got my LT1 car... ).. I remember some of the tricks/free mods but didn't know them from experience.
Old 03-26-2012, 09:56 AM
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Originally Posted by Mike Morris
I went 14.5 at 95MPH stock with my LX back in 1992. I couldn't get it to go past 13.5s on street radials with bolt ons(rockers,GT40 intake,big MAF,full exhaust,355s blah blah). Once I added heads/cam low 13s and in really good air 12.9s could be had on street radials.


If I had a new SS M6 I would get light weight wheels,tune and gears for sure. TOTALLY different car....
My 93 coupe now on its one track outing with H/C/I ran 12.8-12.9 on a street tire before the LT's and with 3.55's. Thats with the auto X suspension.
Old 03-26-2012, 12:09 PM
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Originally Posted by glennster
My 93 coupe now on its one track outing with H/C/I ran 12.8-12.9 on a street tire before the LT's and with 3.55's. Thats with the auto X suspension.
That sounds about right, what mph? with what heads?
Old 03-26-2012, 12:35 PM
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Funny, with the exception of a few '93 Cobra's, I have never seen a true BOX-STOCK foxbody dip in the low 14's. Out here you would regularly see them in the high 14's at 200-500ft in the winter. I suppose at a East coast track like Cecil or MIR in negative DA you could see some mid-14's but I will never believe a true stock one to run better than that. They were getting SPANKED by the LT1 Camaro/Firebirds, and they were only good for bottom 14's stock. Think about it.
Old 03-26-2012, 12:58 PM
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Near stock notch featured in fast ford magazine in 2004, if you watch it on youtube it gives a better description of what the car has. http://www.youtube.com/watch?feature...&v=E42wkWt3vBE
Old 03-26-2012, 01:43 PM
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Originally Posted by Redfire 03
Funny, with the exception of a few '93 Cobra's, I have never seen a true BOX-STOCK foxbody dip in the low 14's. Out here you would regularly see them in the high 14's at 200-500ft in the winter. I suppose at a East coast track like Cecil or MIR in negative DA you could see some mid-14's but I will never believe a true stock one to run better than that. They were getting SPANKED by the LT1 Camaro/Firebirds, and they were only good for bottom 14's stock. Think about it.
That's what I'm saying. Except a lt1 could go 13's. A friend bought a stock used lt auto and it went a 13.89 with 130k on it. That one ran really strong.
Old 03-26-2012, 02:26 PM
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Originally Posted by S8ER95Z
Good info...I never owned one.. many friends did (well they were friends until I got my LT1 car... ).. I remember some of the tricks/free mods but didn't know them from experience.
if you're serious about the part in parenthesis......they're ********.

but ya.......even though there's someone here trying to convince himself and you guys that i don't have a clue........i do.
Old 03-26-2012, 02:28 PM
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Originally Posted by Redfire 03
Funny, with the exception of a few '93 Cobra's, I have never seen a true BOX-STOCK foxbody dip in the low 14's. Out here you would regularly see them in the high 14's at 200-500ft in the winter. I suppose at a East coast track like Cecil or MIR in negative DA you could see some mid-14's but I will never believe a true stock one to run better than that. They were getting SPANKED by the LT1 Camaro/Firebirds, and they were only good for bottom 14's stock. Think about it.
ya know? all the years racing, i never saw negative density altitude. all my years flying i never did either.
Old 03-26-2012, 03:00 PM
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IIRC my 89 LX ran 14.30's stock.


But our local track is close to sea level.
Old 03-26-2012, 03:18 PM
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I used to slap fox body mustangs silly in my Taurus. Before racing I would always ask the drivers why Ford made their v6 family cars faster than their v8 Muscle cars.

I got some interesting responses, but the results were all the same.
Old 03-26-2012, 03:47 PM
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Originally Posted by kennyxg
That sounds about right, what mph? with what heads?
Edelbrock performers, trick flow stage 1 cam, holley systemax, 1.6 roller rockers, ETC. Mph 107-108


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