I kno one of the most inportant part of the race is the first 60ft so I wanna kno how much of my ET can I shave off if can go 1.6 60ft. My best was a 1.8 on street tire. Soon I'm getting some dr's, adj t/a, boxed lca's and some QA1's.

To date my best run is

60' .... 1.805
330 ... 5.151
1/8 ... 7.922
MPH .. 86.77
1000 . 10.391
1/4 ... 12.462
MPH .. 110.79

So how much faster will my ET be if I go 1.6 60ft?

 

At a minimum, your 1/4 mile ET should be in the 12.20s if you can shave 2 tenths off your 60ft times!

http://www.cardomain.com/ride/2189634

 

I've heard it mentioned as a bench racer's quick-and-dirty calculation that for every tenth you improve at the short end, you often see 1.5 tenths at the big end of the track. This is obviously not a certainty, but might apply to your situation.

 

I'd say you would probably run in the 12.1's easily with a 1.60 60ft.

Randy

 

i dn but nice times either way

 

.32 faster. Really tho it's hard to say. As mentioned before, about .15 quicker in the quarter for avery .10 you cut off your 60ft. At least thats a close assumption for cars about as quick as ours.

 

I've typically heard as a quick "rule of thumb" 1 tenth in the 60' is worth 2 tenths 1/4 mile?

But .15 is probably closer to "realistic" .

Actually, if you look at the times in my sig, I ran 13.434 w/ 2.152 60', then 13.021 w/1.942 60' time. If you work it out, that's 1.967 tenths improvement in the 1/4 for each tenth 60' . That's almost 2:1!!

 

You pulled a 1.8 60' on street tires? That's amazing.

I want details. What car? What tires (make, model, size)? Race weight? Air temp? Track elevation? A4 or M6? What converter/clutch are you using? What's your launch technique?

A lot of questions, I know. But that's a really phenomenal number for street tires.

 

i wonder what my time would be then with a better tc. im cutting 2.07 (best 60' times but landing 11.87@ 118 on dr's. hope to have cpt redo the tranny and install a fuddle soon.

 

It depends on why the 60' increased. If it was just due to better traction, the gain will close to 1:1. But if the gain is due to more power, there may be a much larger improvement.

Rich

 

Good to know!