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Track results, finally 12s!!!!!!!!!!!

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Old 03-11-2011, 01:00 PM   #41
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I know there are plenty running 4.10's in the 12's. Trevor did it with pretty much the same mods and a lot of weight reduction on 6er wheels with et streets and 6er wheels up front. Op is doing it with shot 555r's on 17x10.5 03 cobra wheels.

I'm not arguing that people do it with 4.10's as it's apparent. But for someone to get this deep into the 12's with just drag radials(555r's at that) is pretty notable. Kmelfi did those times some time ago and I never really thought about it before, but with running 3.73's, it seems like they actually put you more of where you want to be through the traps and I'd bet you can launch them pretty hard too.

Not arguing that 4.10's aren't awesome, as they make the car more fun to drive. Just saying 3.73's probably deserve more of a look for a stock longblock car for drag racing than a lot of people ever think about giving them.
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Originally Posted by PurpleIcedGT View Post
Saying there is a 1whp difference between the X and H and trying to justify it as a performance difference, is like walking 100 feet to your car and eating a cheeseburger while saying its fine because you just did "cardio".
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Old 03-11-2011, 01:10 PM   #42
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I also switched on my Nitto 555r to my 17x10.5 cobra wheels, these wheels are heavy.
Dump those heavy azz wheels and go with a 15" Weld
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Old 03-11-2011, 03:36 PM   #43
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Originally Posted by teej281 View Post
I know there are plenty running 4.10's in the 12's. Trevor did it with pretty much the same mods and a lot of weight reduction on 6er wheels with et streets and 6er wheels up front. Op is doing it with shot 555r's on 17x10.5 03 cobra wheels.

I'm not arguing that people do it with 4.10's as it's apparent. But for someone to get this deep into the 12's with just drag radials(555r's at that) is pretty notable. Kmelfi did those times some time ago and I never really thought about it before, but with running 3.73's, it seems like they actually put you more of where you want to be through the traps and I'd bet you can launch them pretty hard too.

Not arguing that 4.10's aren't awesome, as they make the car more fun to drive. Just saying 3.73's probably deserve more of a look for a stock longblock car for drag racing than a lot of people ever think about giving them.
I kinda hope there's some truth to this, cuz that means the 275/60's I'll be running this year will put me right around where I wanna be, gear wise. Also, I know Ci's best run is about a tenth faster than kmelf's pass in the 12's was, but what's really impressive is I believe he did it with either stock exhaust manifolds or shorties. I could be wrong, but I'm pretty sure he wasn't running long tubes.
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Old 03-11-2011, 03:39 PM   #44
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Also keep in mind, guys, both of these runs were made at atco. K's was made in december I believe, Ci in early march. I just put new coils and plugs in, and definitely noticed a difference. I think I may have had a weak plug. If not for that, I would've been in that range back in November. The fact is, you can't get much better conditions for a track than you usually do at atco, especially when you get cool whether like this.
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Old 03-11-2011, 03:39 PM   #45
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Kmelfi's run I'm pretty sure was a 12.82...but I think as well that it was with stock manifolds.
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Saying there is a 1whp difference between the X and H and trying to justify it as a performance difference, is like walking 100 feet to your car and eating a cheeseburger while saying its fine because you just did "cardio".
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Old 03-11-2011, 03:47 PM   #46
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Gearing is only as good at it's match to the car they are in. For car "A", a 4.30 might be the ticket, where as car "B" might pull down the best times running 3.27 gears.

Anyone who thinks a certain ratio is the 'end all' of gearing needs to go back to racing 101.
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Old 03-11-2011, 07:53 PM   #47
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Kmelfi's run I'm pretty sure was a 12.82...but I think as well that it was with stock manifolds.
I thought it was a 12.87. Either way, still very impressive and shows just what you can do with the right suspension and tires on these cars.
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Old 03-11-2011, 08:00 PM   #48
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If the motor begins to nose over at 5300rpms, 3.90 gears might be the ticket instead of 4.10's. The torque multiplication of gears is worth a lot in accelleration! 3.73's are probably not the "best" for a full bolt-on car.

I have bolt-ons plus a pair of cams in stock heads. My cams let me pull hard to low 6000rpms, so the 4.10 are good for me (12.5@110mph). I could see 3.90's being better for bolt-ons and stock cams. I'd be surprised if any bolt-on NA cars run quicker times because of 3.73 gears vs 3.90. Torque is critical for accelleration.

I'd love to see some before and after timeslips with 3.73, 3.90, 4.10...
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Old 03-11-2011, 08:14 PM   #49
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Originally Posted by TRUEBLUE3934 View Post
If the motor begins to nose over at 5300rpms, 3.90 gears might be the ticket instead of 4.10's. The torque multiplication of gears is worth a lot in accelleration! 3.73's are probably not the "best" for a full bolt-on car.

I have bolt-ons plus a pair of cams in stock heads. My cams let me pull hard to low 6000rpms, so the 4.10 are good for me (12.5@110mph). I could see 3.90's being better for bolt-ons and stock cams. I'd be surprised if any bolt-on NA cars run quicker times because of 3.73 gears vs 3.90. Torque is critical for accelleration.

I'd love to see some before and after timeslips with 3.73, 3.90, 4.10...
You might have a point there. Back when i was just full bolt ons, i would always beat my buddy's gt who had the same full bolt on mods (even the same custom dyno tune) but had 4.10's compared to my 3.90's. Even from a roll we were dead even till 3rd gear, and then i would slightly pull him every time. We even dynoed within 5 hp of each other on the same dyno lol.
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Old 03-11-2011, 08:27 PM   #50
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Also keep in mind, guys, both of these runs were made at atco. K's was made in december I believe, Ci in early march. I just put new coils and plugs in, and definitely noticed a difference. I think I may have had a weak plug. If not for that, I would've been in that range back in November. The fact is, you can't get much better conditions for a track than you usually do at atco, especially when you get cool whether like this.
I don't think people realize that atco and cecil are pretty much guaranteed to deliver 2 tenths faster than the average track at this power level. Which is one reason why everyone always posts awesome times at those two tracks.
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Old 03-11-2011, 08:55 PM   #51
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I don't think people realize that atco and cecil are pretty much guaranteed to deliver 2 tenths faster than the average track at this power level. Which is one reason why everyone always posts awesome times at those two tracks.
Is the track 20' shorter?
How does it compare when DA adjusted?
Maybe the lower humidity and lower altitude help, but once DA adjusted they should come into alignment. It would be best if guys used adjusted times for bench racing. There are places where good times are nearly impossible.
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Old 03-12-2011, 02:43 AM   #52
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The track is at 33 ft above sea level and I don't know what the baro pressure or humidity was, but temperature was in the 30-40* F range. DA was probably in the negatives, which is like having a really small blower on your car. LOL

People don't really care about adjusted times, they just want to know what is on your slip, which is why people flock to Atco and Cecil, cause no matter what the DA was, that is what they ran. There also isn't a correction calculator which everyone can agree that works accurately in all cases, so that is a big factor as to why they are not used.
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Old 03-12-2011, 08:08 AM   #53
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4.10's are great for a car that can spin to 7k!! Go go agent 4v!!
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Old 03-12-2011, 04:16 PM   #54
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Yea, I really think it's quite odd how everyone and their mother are getting 4.10's for the 1/4 mile, and most struggle to get into the 12's, and then two guys decide to go with 3.73's and nail off some times on drag radials deep into the 12's...very intereting. Lol
actually i had 373s then 410s then switched back to 373s, with 410s i was trapping almost at redline in 4th anymore mods to go faster and i would run out of gear so i switched back and now im hitting 12s with the 373s

my buddy has an 02 with exhaust o/r X and bassani catback and bullitt suspension and 430s and cant break into 13s lol I drove his car too and did a 14.1 so i know its not him driving, it doesnt help he has street tires either but i ran a 13.4 on street tire in mine lol
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Old 03-12-2011, 06:55 PM   #55
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Very very nice times, I'm pumped to see how my new suspension works out if i dont see midish 11s im gonna be very very VERY upset.
haha i wanna see 12s for me and this thread makes me happy cause i have more power at the wheels steeper gears some weight reduction and slicks... So we shall see!
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Old 03-12-2011, 06:56 PM   #56
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4.10's are great for a car that can spin to 7k!! Go go agent 4v!!
I can spin to 7k no need for a 4v! hahaha
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Old 03-12-2011, 06:58 PM   #57
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^^^i agree with him
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Old 03-12-2011, 07:00 PM   #58
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^^^i agree with him
yeah 1500 for cams screw that crap haha. thats almost a blower kit
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Old 03-12-2011, 08:13 PM   #59
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4v can do it with no help....!
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Old 03-12-2011, 08:59 PM   #60
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haha i wanna see 12s for me and this thread makes me happy cause i have more power at the wheels steeper gears some weight reduction and slicks... So we shall see!
With 295/320, 4.10s, and slicks... you had better be in the 12.5-12.6 range or something is wrong! 12.4 is certainly possible.
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Old 03-12-2011, 08:59 PM
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