Street Racing & Kill Stories Basic Technical Questions & Advice

CTS-V2, (2) 408ci SS's, LS1 240sx, LS2 GTO, 96 LS1 SS *vid*

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Old 08-07-2012, 04:19 AM
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Very entertaining video as always! Love that 240, and lol @ the ricer caption over the G8.

Originally Posted by itsslow98
I thought the complete opposite, im suprised the V hung with the GTO.
Likewise, I expected the GTO to walk a bit.

Originally Posted by samsel450r
The hardtop 408 trapped 126 on a slick
That's on the low side of what it should be trapping, I would expect closer to 128. Time to pull some weight!


Originally Posted by adamantium
Idk why but those 408 cars seem really weak for the CI, they run like H/C cars.
I agree
Old 08-07-2012, 06:27 AM
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Originally Posted by adamantium
Idk why but those 408 cars seem really weak for the CI, they run like H/C cars.
Originally Posted by adamantium
Eh idk ive seen some full weight 408 cars trapping high 120s. They just seem weak IMO.
I thought the same.....but if I say it I get all kinds of crap
Old 08-07-2012, 08:29 AM
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Why does everyone think EVERY stroker LS car should be a 130+ mph car? Not everyone likes gutting there cars. My friends 3750 lb 408 SS traps around 127 on slicks, and the car aint slow.

Great video as always.
Old 08-07-2012, 10:02 AM
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Originally Posted by stumprrp
Why does everyone think EVERY stroker LS car should be a 130+ mph car? Not everyone likes gutting there cars. My friends 3750 lb 408 SS traps around 127 on slicks, and the car aint slow.
People tend to look at the best numbers (dyno or track) produced by a generic setup (heads/cam, cam-only, bolt-on, 408, etc) and then expect every car that can be lumped into that category to perform the same. They don't take into account the differences in each setup, just the fact that two "heads/cam" cars should perform exactly the same.
Old 08-07-2012, 10:40 AM
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Originally Posted by itsslow98
I thought the complete opposite, im suprised the V hung with the GTO.
This. Lot's of H/C/I LS1 cars seem to creep away from V2's out here, but then again it gets pretty hot out here.
Old 08-07-2012, 10:50 AM
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I know I wouldn't be happy with any 408 trapping 126mph. And I own two 408s.
Old 08-07-2012, 11:32 AM
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The black hardtop 408 car has a 9 inch, and fill weight. needs a new tune, that's for sure. Shane looked at it, said it could use some tweaks.

The orange is a full weight vert, with a 9 inch...how much more weight can you add? And I was informed it made 525rwhp before the AFR 225s.

240 weighs 27xx lbs and the red 96 SS weighs 2960 lbs. So some people are surprised 600-1000 lbs makes a difference? Most F-bodies around here are 31xx or lower, these 2 are just pigs.
Old 08-07-2012, 12:27 PM
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I agree on the weight. 500 pounds is a very hard to overcome with just a stroker kit
Old 08-07-2012, 12:57 PM
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Awesome video!

CTS-V2 will be my next car. Or possibly a C6Z, still undecided.
Old 08-07-2012, 12:58 PM
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Originally Posted by samsel450r
The hardtop 408 trapped 126 on a slick
Thats not too bad. Looks like the H/C cars are really strong then. He should start losing some weight off it. Possible to be a high 12xmph car on motor, and with a pill that thing will be nasty.
Old 08-07-2012, 01:13 PM
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As for the GTO/CTSV....

My car made 450 on a dynodynamics dyno.
Car is completely full weight, and had a full tank, with a passenger.....and 245 street tires.
The CTSV has a CAI and thats it to my knowledge.

My car traps 117.xx so it is what it is. Pretty much the exact outcome I expected.

....Hope this helps
Old 08-07-2012, 01:18 PM
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Maybe needs a driver mod......
Old 08-07-2012, 02:04 PM
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I say that because i don't pull very hard on a properly driven CTS-V from a roll. People on here seem to think that any LS engine with a cam and boltons can match up to a stock 560hp CTS-V but it's simply not the case. Then all the guys saying that ANY 408 equipped car should be trapping aroudn 130mph??? Phffft, that's a bunch of bullshit.

A average 408 like mine in a average street car (ie, near full weight fbody or GTO) at a real track during normal density altitude conditions (1000-2000' DA) is a solid mid 120's car. Lower if they don't have high flowing heads or if they have a smaller cam. I personally expect my setup to hit low low 11's at around 124mph. That would be a 10 second setup with tires. Which coincidentally is exactly what a few properly setup 408s run around here.
Old 08-07-2012, 02:08 PM
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Wish you were closer gconnoyer I want to run an ls2 gto
Old 08-07-2012, 03:11 PM
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Originally Posted by Sticks n Stones

A average 408 like mine in a average street car (ie, near full weight fbody or GTO) at a real track during normal density altitude conditions (1000-2000' DA) is a solid mid 120's car. Lower if they don't have high flowing heads or if they have a smaller cam. I personally expect my setup to hit low low 11's at around 124mph. That would be a 10 second setup with tires. Which coincidentally is exactly what a few properly setup 408s run around here.
Oh well i guess depending on the air your right, not sure how the air is down here but a local guy trapped 123 with a TSP H/C kit. Pretty basic setup, full interior, a/c, p/s and all that. People should really stop being so close minded and lighten up these cars. there's so much weight just their for no reason at all.
Old 08-07-2012, 05:43 PM
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Really I was explaining or stating for -itsslow98 and GTOSE- because they though I should have pulled harder.

As it sits now, it goes 11.9x at 117 with a 2.0 60'
Old 08-07-2012, 05:51 PM
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I've noticed that having a full weight car seems to be viewed in the light that the owner has done something wrong.

I also have the feeling that a lot of the guys who think every setup should run 110% all the time, every time, forget that not everyone runs in great DA.
Old 08-07-2012, 05:55 PM
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Im not against Pulling unnecessary weight from mine, I just havent gotten around to doing it, and for the sacrifices I dont know how worth it would be just to lose 100-200lbs
Old 08-07-2012, 08:35 PM
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Goood vid like always. Id like to run one of the V2.
Old 08-08-2012, 08:00 AM
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Originally Posted by adamantium
Oh well i guess depending on the air your right, not sure how the air is down here but a local guy trapped 123 with a TSP H/C kit. Pretty basic setup, full interior, a/c, p/s and all that. People should really stop being so close minded and lighten up these cars. there's so much weight just their for no reason at all.
There is alot of weight to be found in these cars for sure.



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