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Thread: Got bit...boy did it hurt!!
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01-30-2008, 12:09 AM #61
- Join Date
- Apr 2007
- Location
- San Jose
- Posts
- 350
Black- 2003 Mustang Cobra
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01-30-2008, 02:59 AM #62
- Join Date
- Jul 2006
- Location
- Glen Carbon, IL
- Age
- 45
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- 397
Silver- 2000 Camaro SS
When my SS was bone stock, with 110,000 miles, I bolted on a 125 shot and ET Street DR and ran an 11.73. I did have minor tuning done to add fuel and subtracted 3* timing.
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01-30-2008, 07:07 AM #63
what makes me feel good is the fact that I have never lst to a ford mustang, other than my 66.
1999 Pontiac Firebird- 241hp
2000 Firebird Formula-330ish? hp (full bolt on car)
2002 Pontiac Firebird-200hp
2002 Z28 Camaro- Yet to dyno- (exhaust, lid, spray, cam,etc.)
99 would beat 99-04 Gts (unmodifed-slightly modified)
00 would beat 04-07 GTs (unmodified-modified)
02 bird' never races it's a DD
02 Z28 has only raced an 04 GT turbo'd and an 03 Cobra.
beat them both
oh my 99 did lose to my 1966 Mustang w/ a 289 bored over to idk... some crap.. I didn't know about cars then my 99 was stock and I was 16, lol
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01-30-2008, 09:05 AM #64
Well just a few that I quick found for N/A pretty impressive for what they have done, http://i45.photobucket.com/albums/f9...2/scan0004.jpg http://greatsave9.smugmug.com/galler...147946218-L-LB and last but not least http://www.ls1.com/forums/showthread.php?t=73364 just a quick 30 second look and the last one puts your blower to shame. My only complain with the cobra's is that yes they do have a nice tourqe curve but peak hp doesnt come in to play until your just about ready to shift.
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01-30-2008, 11:39 AM #65
- Join Date
- Apr 2007
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- San Jose
- Posts
- 350
Black- 2003 Mustang Cobra
if you've been around dyno's you would know that the higher in the RPM you start the car off, the rwtq numbers come up consistantly higher. If he were to start off at about 2000 rpm, those rwtq numbers would not be as high. I bet it would still be impressive, but not quite what is shown there. and peak hp comes on at 6000rpm or so on mine, and the engine can rev out to 7000rpm if i really wanted to take it that high.
actually, and looking at the thread, you would see that the one that "puts my blower to shame" is actually running nitrous. a comparable 450 rwhp car, as I had said, would be this one:
impressive, yes, but the area under the curve/rwtq still goes to the roots/screw cobra. it doesnt even break 400rwtq till about 4600rpm whereas the cobra is there at about 2000rpm.
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01-30-2008, 11:51 AM #66
Not true, I've seen some cobras with decent miles (can't remember exactly) for around 18k. Some ppl see ls1 f bodies with really low miles for around $30K and everyone says they aren't worth it cuz you can get a cobra and mod it for that price. But it's because low mile ls1 f bodies are appreciating in value. In general it's really a never ending battle. Too bad ls1 f bodies didn't come with a forged crank and a stout rear end... good bye cobras.
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01-30-2008, 12:10 PM #67
Another thing I forgot to mention:
Pullied Cobra: ~450 rwhp/tq 11 second car
H/C LS1: ~400 rwhp/tq 11 second car
I bought my T/A for $11k and if I was rich I would have spent $3k on a h/c swap and $3k on clutch/rear. and probably another grand on a tune and misc. boltons. = ~$18K total which is about the cheapest you can get a bone stock cobra.
I think its great to have less hp (spend less $) and still be equal or faster!
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01-30-2008, 12:10 PM #68
- Join Date
- Dec 2005
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- Research Triangle Park, NC
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- 46
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- 1,811
Pewter- '99 Z28 M6
I think the crank is pretty good, but the rods (specifically the rod bolts) and pistons were the weakest part of the engine. Then again, it wasn't designed for forced induction either. I have been running mine at 475 some horsepower for a year now with no problems, but I think a blower would finish off the bottom end.
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01-30-2008, 12:29 PM #69
- Join Date
- Apr 2007
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- San Jose
- Posts
- 350
Black- 2003 Mustang Cobra
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01-30-2008, 12:29 PM #70
475 at the crank or rwhp? When I was in high school, my math teacher, who had a 98 supra (and sold it to buy a c6 zo6), told me that forced induction wouldn't be the best route for my car unless i totally rebuilt the motor. He suggested nitrous. He said to start of with a 75 shot to get used to it and then a 100 would be fine.
I've heard from many people and companies that low boost on our cars will be fine. I think the 5 (maybe 8) psi kit from sts claims 508 hp or rwhp (not sure) on a stock ls1. If the ls1 can take a little boost, i have a feeling the clutch and rear would have to be upgraded as well.
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01-30-2008, 12:32 PM #71
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- Dec 2005
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- Research Triangle Park, NC
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- 46
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Pewter- '99 Z28 M6
Crank HP, and on a side note, if I see another mustang dyno sheet I am gonna all over my boots.
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01-30-2008, 12:52 PM #72
Don't get me wrong... cobras will haul ass, andare a pretty good pirce for what you're getting.
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01-30-2008, 01:21 PM #73
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01-30-2008, 01:34 PM #74
- Join Date
- Apr 2007
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- San Jose
- Posts
- 350
Black- 2003 Mustang Cobra
mod for mod, i dont think so. to be fair, add the same blower to the cobra that your adding to the LS1. the stock blower on the Cobra is pretty crappy compared to what can be had out there. there's a reason stock cobra blowers only sell for about $300.
and then eventually, it just turns into who can spend the most.
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01-30-2008, 01:47 PM #75
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01-30-2008, 03:00 PM #76
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01-30-2008, 03:04 PM #77
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01-30-2008, 06:13 PM #78
Have you considered a Grand National? they will not go down in value and respond to more boost with open arms. That was my origional choice but i can not afford one
1998 Firebird Formula WS6... few things done.
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01-30-2008, 10:14 PM #79
- Join Date
- Apr 2007
- Location
- San Jose
- Posts
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Black- 2003 Mustang Cobra
ok, I just noticed that graph i posted up there was of a procharged LS1. It took me quite a while but I finally found some 450rwhp NA LS1's. It was tough, most are in the 410-430rwhp range with heads/intake/cam + full bolt-ons. Here's a supercharged LS1 to compare with a H/I/C LS1 and a Pullied Cobra.
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01-31-2008, 01:23 PM #80
I'm a mustang lover to the core
but even i wouldn't trade in a car (ANY CAR) with a LS1. Not a camaro, bird, or vette. Just the same if i already had a Cobra i'd not trade it for a LS1. When you reached the level of ls1 or 03-04 cobra it's all about mods and drivers so switching to the other side because you lost a race is just silly imo.
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