l98 vs sleeper
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From: nw indiana
Car: 1988 firebird formula 350
Engine: L98
Transmission: 700r4
Axle/Gears: 2.77
l98 vs sleeper
im bored so i figured id let u guys laugh at me for a loss i rarely mention.
not long after buying my car i was driving thru chicagos south side and i see a ugly riced out lookin mustang behind me. he passes me doin alil over the limit. i hear a louuud exhaust but a high pitched note, i realize its a v6 so i pull up next to him, we slow to 20mph and after 3honks i hear a high pitched squeal and lotsa tire spin. the muskrat went sideways and jumped 5-6 cars in one gear holding peace symbol out the window and let out. my turn came up and we parted ways.
i got smoked by a 94-99 style v6 mustang.
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not long after buying my car i was driving thru chicagos south side and i see a ugly riced out lookin mustang behind me. he passes me doin alil over the limit. i hear a louuud exhaust but a high pitched note, i realize its a v6 so i pull up next to him, we slow to 20mph and after 3honks i hear a high pitched squeal and lotsa tire spin. the muskrat went sideways and jumped 5-6 cars in one gear holding peace symbol out the window and let out. my turn came up and we parted ways.
i got smoked by a 94-99 style v6 mustang.
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From: greensboro,nc
Car: 1988 camaro
Engine: 305
Transmission: 700r4
Axle/Gears: 2.73
Re: l98 vs sleeper
im bored so i figured id let u guys laugh at me for a loss i rarely mention.
not long after buying my car i was driving thru chicagos south side and i see a ugly riced out lookin mustang behind me. he passes me doin alil over the limit. i hear a louuud exhaust but a high pitched note, i realize its a v6 so i pull up next to him, we slow to 20mph and after 3honks i hear a high pitched squeal and lotsa tire spin. the muskrat went sideways and jumped 5-6 cars in one gear holding peace symbol out the window and let out. my turn came up and we parted ways.
i got smoked by a 94-99 style v6 mustang.
Posted from Thirdgen.org App for Android
not long after buying my car i was driving thru chicagos south side and i see a ugly riced out lookin mustang behind me. he passes me doin alil over the limit. i hear a louuud exhaust but a high pitched note, i realize its a v6 so i pull up next to him, we slow to 20mph and after 3honks i hear a high pitched squeal and lotsa tire spin. the muskrat went sideways and jumped 5-6 cars in one gear holding peace symbol out the window and let out. my turn came up and we parted ways.
i got smoked by a 94-99 style v6 mustang.
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From: Aloha, Oregon
Car: 1991 Christine Z28
Engine: RV Cam and Intake 350 SBC
Transmission: 5speed
Axle/Gears: 3.08 ls Posi
Re: l98 vs sleeper
You probably would've beat him on the highway, those 3.8l v6s are all torque. Had one in my Ford Taurus.
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From: Chicagoland Suburbs
Car: 1989 Trans Am GTA
Engine: LT1, AFR 195cc, 231/239 LE cam.
Transmission: M28 T56
Axle/Gears: 3.23 10bolt waiting to explode.
Re: l98 vs sleeper
You might come close to losing against a newer 2005-2010 mustang, I've seen the V6's run bottom 15's at the track in the 95mph range.
Against a 2011 and up with the 3.7L V6 forget it. Near stock L98 has zero chance against one car to car. They are running mid 13's @ 100mph+ stock.
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From: nw indiana
Car: 1988 firebird formula 350
Engine: L98
Transmission: 700r4
Axle/Gears: 2.77
i heard it, a very high pitched squeal, and it jumped lengths on me like nothing ive seen before that. i believe it was turbo but i didnt talk to him
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Joined: Sep 2004
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From: Chicagoland Suburbs
Car: 1989 Trans Am GTA
Engine: LT1, AFR 195cc, 231/239 LE cam.
Transmission: M28 T56
Axle/Gears: 3.23 10bolt waiting to explode.
Re: l98 vs sleeper
Turbo's don't squeal, they hiss.
My low 13 second LT1 got beat by a de-badged 3.7L Nissan Maxima once. He got the jump cause i wasn't aware we were racing and I could not catch him in the time I had. It was gaining but VERY slowly. Its entirely possible I could have lost even if he hadn't gotten a jump. I suspect he had full bolt-ons and maybe a small nitrous shot.
My low 13 second LT1 got beat by a de-badged 3.7L Nissan Maxima once. He got the jump cause i wasn't aware we were racing and I could not catch him in the time I had. It was gaining but VERY slowly. Its entirely possible I could have lost even if he hadn't gotten a jump. I suspect he had full bolt-ons and maybe a small nitrous shot.
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From: Norwalk, Ohio
Car: 1989 Firebird Formula
Engine: 385
Transmission: Full Manual TH350
Axle/Gears: Moser 9" 3.70
Re: l98 vs sleeper
I don't see why someone would use spray on the street, seems like a bit of a waste. Then again, I'm more a fan of permanent power. Do people spray much on the street? If I had nitrous, I'd only spray at the track. But anyway, the sound of a turbo is a pretty distinct hiss, not a squeal. Idk, maybe it was a v8?
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From: Canada,Ont
Car: 1987 TransAm Ttop
Engine: 2005 LQ4
Transmission: Ls1 T56
Axle/Gears: 3:54
Re: l98 vs sleeper
supercharged v6 maybe? lol
well in any event..its ok to post a loss...cant win them all.it gives motivation to get faster.
well in any event..its ok to post a loss...cant win them all.it gives motivation to get faster.
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From: nw indiana
Car: 1988 firebird formula 350
Engine: L98
Transmission: 700r4
Axle/Gears: 2.77
no definitely a v6 and definitely turbocharged. i sometimes ride around in a pickup truck w/ a cummins 6.7 and sometimes an 03chevy w/ a duramax i kno what a turbo sounds like.
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From: southcentral PA
Car: 07 Saab, 88 Turbocoupe, 85 XR4Ti
Engine: LP9, 2.3t, 2.3t
Transmission: 6 speed auto, t5, t5
Axle/Gears: ? , 3.55 8.8", 3.64 7.5"
Re: l98 vs sleeper
Considering it probably had a Super coupe motor/parts I dint think you're correct. To take off like that it wasn't turbo. Those things have over 300 ft/lbs.
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From: nw indiana
Car: 1988 firebird formula 350
Engine: L98
Transmission: 700r4
Axle/Gears: 2.77
people listen carefully. turbo v6 mustang. you could hear it spool when he downshifted, then it took off in a cloud of smoke, 5-6 lengths in one gear then he let out. i know what a turbo sounds like.
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From: Sussex County, NJ
Car: 1994 Z28
Engine: 355 LT1
Transmission: T56
Axle/Gears: 3.42
Re: l98 vs sleeper
Bro maybe he stole Brian O'Connor's skyline's motor or Dom Torreto's Supra motor!
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From: Michigan!
Engine: Vortec 4200 Inline 6 PT70 Turbo..
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Re: l98 vs sleeper
Pry had naaaawwwzzzzz. Hahaha
I sprayed on the street with my 305 all the time. It ran 15.7's in motor and 12.80 with a 150 shot and sticky tires, gears, converter, headers. On spray,it was just enough to keep with bolt on LS1 cars. With my 396, I was scared to spray on the street. It made ~600hp without spray, It would be HAIRY with more.
Sad loss but,hey new minivans probably put a stock thirdgen to shame. Haha
I sprayed on the street with my 305 all the time. It ran 15.7's in motor and 12.80 with a 150 shot and sticky tires, gears, converter, headers. On spray,it was just enough to keep with bolt on LS1 cars. With my 396, I was scared to spray on the street. It made ~600hp without spray, It would be HAIRY with more.
Sad loss but,hey new minivans probably put a stock thirdgen to shame. Haha
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From: nw indiana
Car: 1988 firebird formula 350
Engine: L98
Transmission: 700r4
Axle/Gears: 2.77
read the original post completly before replying like a jack off. quote where i said i didnt hear it. after 3honks he downshifted, thats when u could hear it spool. it didnt whine or howl like a sc, it screamed like a dog whistle, high pitch hurt your ears sound. i didnt post to argue with a bunch of bench racers over what power adder some *** in his muskrat had. im just letting u kno a boosted muskrat smoked me. end of story
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: l98 vs sleeper
sounds like nitrous on a smaller engine. If it took off like you say it did, it wasn't turbo,but probably nitrous oxide.
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From: nw indiana
Car: 1988 firebird formula 350
Engine: L98
Transmission: 700r4
Axle/Gears: 2.77
hey hey 91 glad to see you didnt slit ur wrists after your recent flogging. hows the Big Money Waster running?
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: l98 vs sleeper
recent flogging? oh you mean how that guy only has 235whp and claims to run a mid 13 with a 3500 lb plus car? He even posted his dyno hp results.You do the math.
Last edited by ninetyone; Nov 28, 2012 at 12:21 PM.
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From: nw indiana
Car: 1988 firebird formula 350
Engine: L98
Transmission: 700r4
Axle/Gears: 2.77
he also posted timeslips and video so u cant argue it.
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From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
Re: l98 vs sleeper
It probably weighs about 3,450 or less dipstick, considering the hood, suspension, and missing emissions equipment.
Making about 260-270 WHP now. The 235 was with nothing but Superram, injectors, muffler, tune.
Here, let's do this one more time.
http://www.mypowerblock.com/video/my...grand-prix-gxp
http://www.dragtimes.com/Pontiac-Tra...lip-21008.html
Accel/Lingenfelter SuperRam intake
24 lb Bosch design III injectors
Accel 58 MM throttle body
Adjustable fuel pressure regulator
PCMforLESS tuned chip
160 degree thermostat
Hypertech 176 on/166 off fan switch
Hedman headers
Hedman Y pipe
Flowmaster 80 series muffler
Milodon high flow water pump
March underdrive pulleys
Goodyear hi miler hoses
EGR deleted
AIR pump deleted
Cats deleted
TB coolant bypass
MSD streetfire ignition box
NGK G power plugs
Taylor 8MM wires
Hypertech cap and rotor
Hypertech 53K volt coil
Poly. swaybar endlinks
Poly. trans. mount
KYB GR2 Struts
Spohn tubular rear lower control arms
Spohn tubular panhard bar
'00 Camaro SS 3.42 posi rear diff
Ram air II hood
Ram Air intake box w/K&N air filter
You lose...........Again.
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: l98 vs sleeper
bullshit, i watched the video. Didn't you see where it said 235whp? I know these cars like the back of my hand. A GTA is also the heaviest of them all! Go ahead and look up the curb weight of an average GTA.
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
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Re: l98 vs sleeper
Your only real mods are Intake manifold, headers, and maybe your gears. Emissions equipment doesn't weigh that much either.LOL
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: l98 vs sleeper
no where in any of those videos does a person see the time flash on the board. wtf?
Joined: May 2005
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From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
Re: l98 vs sleeper
You just don't learn, and you don't know **** about a third gen. I have owned you over and over again with pure proof, witnesses who were THERE when I ran the time, and yet you keep going. You Sir, are an uneducated f*cking moron, and the likes of people like you, should be exterminated with extreme prejudice.
Joined: May 2005
Posts: 728
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From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
Re: l98 vs sleeper
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: l98 vs sleeper
Oh yeah? What do you think an N10 setup weighs compared to a piece of pipe? How about the stock iron manifolds and AIR plumbing? The fiberglass hood?
You just don't learn, and you don't know **** about a third gen. I have owned you over and over again with pure proof, witnesses who were THERE when I ran the time, and yet you keep going. You Sir, are an uneducated f*cking moron, and the likes of people like you, should be exterminated with extreme prejudice.
You just don't learn, and you don't know **** about a third gen. I have owned you over and over again with pure proof, witnesses who were THERE when I ran the time, and yet you keep going. You Sir, are an uneducated f*cking moron, and the likes of people like you, should be exterminated with extreme prejudice.
Last edited by ninetyone; Nov 28, 2012 at 01:04 PM.
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: l98 vs sleeper
Hey not saying your car is not badass. I like it and think it's pretty clean. Just having a hard time believing that time. Oh well, if you say it did then maybe you did. Enjoy your thirdgen.
Joined: May 2005
Posts: 728
Likes: 1
From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
Re: l98 vs sleeper
https://www.thirdgen.org/mr_jan_1992...ar_of_the_year
Might want to check that out. Shows the 92 running 14.3 stock, and having 240 HP, which you claim I only had 230 stock.
Oh, and considering your old third gen could never get out of mid 14's with mods and tune, this quote from that article about a stock one has to hurt lmao!
"The T/A was a joy to drive. Simply pull to the line, heat the tires, leave the
shifter in Drive, power-brake a little, and mash the throttle after you're
rolling. Anyone could drive this car to a 14.5 pass, and with a little
practice, you too could run 14.3s."
Joined: May 2005
Posts: 728
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From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
Re: l98 vs sleeper
Thanks. I just don't get why your arguing, considering I have plenty of proof, not to mention witnesses, in which you are calling him and his wife liars also, by arguing with me.
Joined: May 2005
Posts: 728
Likes: 1
From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
Re: l98 vs sleeper
Why are you still here?
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: l98 vs sleeper
Well, you do seem to be the one with a pride issue right now. Let's face it, the only reason you are arguing is because you tried to build a fast thirdgen, and failed. Now your pride is hurt because you thought you knew so much and were a good tuner, and then I come along and just ruin that whole idea for you, by killing you by a full second in the 1/4 with nothing but bolt ons and know how. And you feel even worse knowing what you spent on a bimmer after failing with the third gen, just to have to look next to you at full throttle in it, and see ME in my old 91 GTA. Just get the shovel, scoop up what's left of your pride that I ran over on the way down the track, and head for the sunset man.
Why are you still here?
Why are you still here?
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: l98 vs sleeper
It's not that I don't believe you did it, its just the numbers don't make sense.
Joined: May 2005
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From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
Re: l98 vs sleeper
http://www.dragtimes.com/Pontiac-Tra...lip-21008.html
^^^There is the timeslip from Thompson raceway park up by Cleveland, which is also written all over the wall in my video of the run.
The numbers don't have to make sense to you, the point is I have the proof and the witnesses, and you have no reason to be calling us liars!
Look at the upload date on the dyno video! It was made clear back in 2010, my first summer with the car, and all that was done at the time was superram, injectors, muffler, and tune. Now, look at my mods listed and what has happened since then.
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: l98 vs sleeper
I ALREADY DID!! WTF IS WRONG WITH YOU?!
http://www.dragtimes.com/Pontiac-Tra...lip-21008.html
^^^There is the timeslip from Thompson raceway park up by Cleveland, which is also written all over the wall in my video of the run.
The numbers don't have to make sense to you, the point is I have the proof and the witnesses, and you have no reason to be calling us liars!
Look at the upload date on the dyno video! It was made clear back in 2010, my first summer with the car, and all that was done at the time was superram, injectors, muffler, and tune. Now, look at my mods listed and what has happened since then.
http://www.dragtimes.com/Pontiac-Tra...lip-21008.html
^^^There is the timeslip from Thompson raceway park up by Cleveland, which is also written all over the wall in my video of the run.
The numbers don't have to make sense to you, the point is I have the proof and the witnesses, and you have no reason to be calling us liars!
Look at the upload date on the dyno video! It was made clear back in 2010, my first summer with the car, and all that was done at the time was superram, injectors, muffler, and tune. Now, look at my mods listed and what has happened since then.
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Re: l98 vs sleeper
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From: Utah
Car: 89 RS 89 iroc 87 firebird
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Axle/Gears: strange s60 /w 3:42's
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From: Newark, DE
Car: 2006 Corvette
Engine: LS2
Transmission: T56
Axle/Gears: 3.42s
Re: l98 vs sleeper
Have to disagree with you... here are a few reasons why:
1) my old '89 TPI auto Corvette ran a 13.4 at 102mph on a 1.9 60ft. Only mods were free mods, a catback, K&N drop in filter, and a AFPR. That car wasnt even pushing 250 at the wheels, let alone 300
2) my old '93 Corvette 6speed dynoed 266rwhp when it was 100% stock. Took it to the track, and on a terrible 2.1 60ft, it ran a 13.3 at 107mph. Again, nowhere near 300rwhp
3) We all know bone stock LS1s are in the 300rwhp range... heres what 300rwhp (my '99 Corvette is stock) can actually do with some good air, a well prepped track, and a set of drag radials:
1) my old '89 TPI auto Corvette ran a 13.4 at 102mph on a 1.9 60ft. Only mods were free mods, a catback, K&N drop in filter, and a AFPR. That car wasnt even pushing 250 at the wheels, let alone 300
2) my old '93 Corvette 6speed dynoed 266rwhp when it was 100% stock. Took it to the track, and on a terrible 2.1 60ft, it ran a 13.3 at 107mph. Again, nowhere near 300rwhp
3) We all know bone stock LS1s are in the 300rwhp range... heres what 300rwhp (my '99 Corvette is stock) can actually do with some good air, a well prepped track, and a set of drag radials:
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From: Ravenna, Ohio
Car: 87 Trans Am GTA
Engine: 408 LS
Transmission: LS 4L60E
Axle/Gears: 9 Bolt/3.70 Gears/TAP Girdle
Re: l98 vs sleeper
Let me just clear this up for you one last time. Myself, my gf, and our son were at the track watching budfreak race. His car hooked good, he went 13.58 at 98 mph. Just because you dropped a bunch of money into a 91 and couldn't make it run ****, doesn't mean he doesn't have his ducks in a row.
Joined: May 2005
Posts: 728
Likes: 1
From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
Re: l98 vs sleeper
Let me just clear this up for you one last time. Myself, my gf, and our son were at the track watching budfreak race. His car hooked good, he went 13.54 at 98 mph. Just because you dropped a bunch of money into a 91 and couldn't make it run ****, doesn't mean he doesn't have his ducks in a row.
Fix it for ya lol.
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From: Norwalk, Ohio
Car: 1989 Firebird Formula
Engine: 385
Transmission: Full Manual TH350
Axle/Gears: Moser 9" 3.70
Re: l98 vs sleeper
How did we get so far off topic? I thought we were talking about the Mustang with the Inline12 in it...
Joined: May 2005
Posts: 728
Likes: 1
From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
Re: l98 vs sleeper
Joined: Sep 2004
Posts: 5,906
Likes: 240
From: Chicagoland Suburbs
Car: 1989 Trans Am GTA
Engine: LT1, AFR 195cc, 231/239 LE cam.
Transmission: M28 T56
Axle/Gears: 3.23 10bolt waiting to explode.
Re: l98 vs sleeper
BS, Takes about 300 flywheel hp to run a mid 13 pass on average, but low 13's are possible with a good launch. My GTA's race weight was 3770lbs with junk in the trunk, and I clicked off a 13.35 @ 102.8mph. 60' was 1.97. NHRA calcs put that at about 320 flywheel hp.
Its all about Power to Weight.
A 300 flywheel hp car weighing 2000lbs would probably run in the mid 11's near 120mph. A 4000lb car with 300hp would trap about 97mph and run mid 14s. Same power, different weight, different results.
Again, yes it does.
235rwhp in a 3500lb car is plenty enough to make a 13 second pass of some sort. Most bone stock LT1 cars make about 230-240rwhp.
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From: Delaware
Car: 91' Firebird SOLD
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Transmission: 700r4
Axle/Gears: 3:42
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: l98 vs sleeper
Have to disagree with you... here are a few reasons why:
1) my old '89 TPI auto Corvette ran a 13.4 at 102mph on a 1.9 60ft. Only mods were free mods, a catback, K&N drop in filter, and a AFPR. That car wasnt even pushing 250 at the wheels, let alone 300
2) my old '93 Corvette 6speed dynoed 266rwhp when it was 100% stock. Took it to the track, and on a terrible 2.1 60ft, it ran a 13.3 at 107mph. Again, nowhere near 300rwhp
3) We all know bone stock LS1s are in the 300rwhp range... heres what 300rwhp (my '99 Corvette is stock) can actually do with some good air, a well prepped track, and a set of drag radials:
http://www.youtube.com/watch?v=eTxFy6N9fIU&feature=plcp
1) my old '89 TPI auto Corvette ran a 13.4 at 102mph on a 1.9 60ft. Only mods were free mods, a catback, K&N drop in filter, and a AFPR. That car wasnt even pushing 250 at the wheels, let alone 300
2) my old '93 Corvette 6speed dynoed 266rwhp when it was 100% stock. Took it to the track, and on a terrible 2.1 60ft, it ran a 13.3 at 107mph. Again, nowhere near 300rwhp
3) We all know bone stock LS1s are in the 300rwhp range... heres what 300rwhp (my '99 Corvette is stock) can actually do with some good air, a well prepped track, and a set of drag radials:
http://www.youtube.com/watch?v=eTxFy6N9fIU&feature=plcp
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Car: 91' Firebird SOLD
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Re: l98 vs sleeper
3476lbs on average. And no, you really don't know thirdgens like the back of your hand. Your posts continue to prove basic ignorance of physics.
BS, Takes about 300 flywheel hp to run a mid 13 pass on average, but low 13's are possible with a good launch. My GTA's race weight was 3770lbs with junk in the trunk, and I clicked off a 13.35 @ 102.8mph. 60' was 1.97. NHRA calcs put that at about 320 flywheel hp.
Its all about Power to Weight.
A 300 flywheel hp car weighing 2000lbs would probably run in the mid 11's near 120mph. A 4000lb car with 300hp would trap about 97mph and run mid 14s. Same power, different weight, different results.
Cats are quite heavy, so is the cast manifolds and Y-pipe. Especially a dual cat car. At least 50lbs there.
Again, yes it does.
Then get off the site, you add nothing to these threads except your own ignorance and arrogance.
I posted dozens of videos proving my point in your threads time and time again, you didn't seem to learn anything there either.
235rwhp in a 3500lb car is plenty enough to make a 13 second pass of some sort. Most bone stock LT1 cars make about 230-240rwhp.
BS, Takes about 300 flywheel hp to run a mid 13 pass on average, but low 13's are possible with a good launch. My GTA's race weight was 3770lbs with junk in the trunk, and I clicked off a 13.35 @ 102.8mph. 60' was 1.97. NHRA calcs put that at about 320 flywheel hp.
Its all about Power to Weight.
A 300 flywheel hp car weighing 2000lbs would probably run in the mid 11's near 120mph. A 4000lb car with 300hp would trap about 97mph and run mid 14s. Same power, different weight, different results.
Cats are quite heavy, so is the cast manifolds and Y-pipe. Especially a dual cat car. At least 50lbs there.
Again, yes it does.
Then get off the site, you add nothing to these threads except your own ignorance and arrogance.
I posted dozens of videos proving my point in your threads time and time again, you didn't seem to learn anything there either.
235rwhp in a 3500lb car is plenty enough to make a 13 second pass of some sort. Most bone stock LT1 cars make about 230-240rwhp.