I accounted for the rider in my post.

His car is (at best) a 12.50@108-109 ride. The gixxer is a 130+mph bike. He will flat out lose.

 

This thread reminds of the local SRT-4 guys telling me they were pulling me down in the 1/4 all the while I was running a solid 10 mph faster in the 1/4.

Sorta an illusion that when I am over 10 car lengths ahead...it just does not appear that I am frieght training the guys...

 

Ok since none of us can agree. How about he just goes and races and catches it on tape? Isnt that really the only way to know anyways?

 

His car should be closer to a 112-114 mph car, but we all know how things "should" run and how they do, are often very different. If the rider knows what he's doing and it's a 130+ mph bike, then he doesn't really have a chance. Just run him and post the results. The problem with these posts is one guy will be arguing best case scenario for the car and the other will be arguing worst case scenario for the car and best for the bike.

 

With an auto, no nitrous and stock heads? That's not consistent with my LT1 experience. Perhaps you can give me some examples?

 

Hmm an auto with 4.10's? I must have missed that somewhere. 4.10 + A4 + 75mph roll = kinda crappy....

That car is gonna be in the wrong gear and running out of gear for a higher end run.

Didnt know he had an auto

 

His sig says he has 'home ported' heads. I'm figuring a stock-headed CC306 auto should run 109-110 and if his heads are decent (website says they have a valve job), there's no reason he couldn't pick up another 15-25 rwhp. That's where I was getting that number from. 114 would be on the high side for home ported heads through an auto, but 112 is reasonable. This is all bench racing of course, but I'd expect these numbers out of a car with his setup. Then again, I always make sure to work all the bugs out of my car and get it running right. If he doesn't do this, he may have a 108-109 mph car. Just depends.

 

bike > you - goodluck tho

 

His tranny and heads and all that is irrelevant. A 750 gixxer against a H/C LT1 = total stompage by the bike. At whatever speed.

 

Thats what im sayin

 

Little update here. I wont be able to race for a month because he doesn't have any insurance or plates on his bike and his parents wont let him drive it untill he does. Maybe that should give me some time to buy new injectors, fuel pump, stall and maybe some nitrous...that is if i sell my pickup that ive been trying to sell forever.

Also his dad has a 135 cubic inch(guess) Big dog motorcycle and it is one mean bike, it hurts my ears everytime he drives by my work. He said that his 750 will run right up there with his dad's bike.

Ya im pretty sure that i will get raped badly unless i get some spray.

 

My experiences support this too. I used to ride a stock 1996 zx6-r that ran 118mph in the 1/4 and from a 140kph rollon against my friend's 113 mph C5 m6, it would be a very very close up to 220 kph.

(btw, he ran a 12.9 to my 11.6 on the same day)

 

Methinks you guys know some crappy bike riders. My friends stock (save for a pipe) Gixxer 600 would sit right next to a 650 rwhp supra on the interstate. Granted it was a single turbo with lotsa lag, but it flys on the interstate, and the bike runs about 125 in the 1/4.

Jim - I know mines a six speed car, but Im running 112 - 113 with stock heads, no nitrous, Atljar went 115 (on slicks!) with the same setup. I do agree that an auto would be down a mph or two, but I wouldn't say its unheard of. But, I don't think the 230/236 would do it without heads, and he does have ported heads.

James - If you go from a roll in the auto, I think you are gonna get trashed. 15 sec hondas used to be competitive from a 50mph roll when I was running high 13s with the auto. That stall just kills it from a roll. Curious, you said his dad has a 135 big dog motorcycle? Is it a cruiser or a sport bike? If its a cruiser, and his 750 is only WITH it, and not detroying it, I'd say the guy doesn't know how to ride worth a damn.

 

Coupld of things to look at guys.


FIRST:
He said a 1997 GSXR 750 which is worlds away from a 2001 GSXR 750. Two completely different bikes. With perfect conditions and a really good rider that 97 GSXR is would be lucky to get mid 10's, more than likely a high 10 low 11.

SECOND:
Yes bikes do have worse aerodynamics than a car. Yes they do have a smaller frontal area, but that is only part of what makes a vehicle aerodynamic. Ever wonder why you see a video of a Hayabusa loose to a Supra that when the Supra has less of a power to weight ratio? So yes the higher the speed you start the roll the better your chances will be.

THIRD:
Even though a roll-on race looks fairly simple there is still a lot that you have to do on a bike for it to be effective. You have to use the proper gear selection so that you don't wheelie/spin or bounce of the rev limiter right away but at the same time your not in too high of a gear either. It's hard to hear the horn and more than likely you won't be on the gas until after you notice the car you are running is taking off. Get on the gas 100% ASAP, some guys get scared to wheelie and ease into it too much. And last but not least everyone's favorite...tuck. So many people will flat out forget to do this.

Don't worry about 1/4 mile times if you are running from a roll because they won't mean squat in this race, at least not as much as you think they will. I have no idea how much power you have or even how much it should take to run the 600, but like I said the higher your speed the better your chances.

 

Yeah...I can see bikes having a hard time accelerating at...hmmm...180 mph...but were talking about maybe a 60 mph roll where the bike has no problems.

You know, this sheet is getting stupid.

Yeah, if you race a bike @ 60 mph, with him being in 6th gear, while he is sitting straight up(somehow)...yeap, your maybe 12 second car can take him out.

Hell, might as make it worse...he has a 300 lb rider on the bike also...flat tire also...blown up motor...out of gas?

Tell you what, my Lightning, which has worse aerodynamics than any bike would beat this guys combo...but let's add 20-25 mph on my trap speed and somehow it is still close?