Hey i was curious. what would be in anybody's opinion th ebest rpm's to launch from? i don't have a ton of expirence with really launching well with our cars so input would be great.

Oh btw i have a 87 n/a with a blown motor. :-) forget about the motor with your comments though please

 

I tired launching at 3.5k and got a 2.7 60ft time wich is total crap. With an NA you really have to luanch high like 5k or 6k

 

I lauched my car at 5.5k on slicks and ran 1.7 60f
im going to try a 6.5k next time

 

5 or 6... damn I don't think I'm gonna be launching that high unless I get new clutch and tranny and new driveshaft cause I don't think my 15yr old stock parts could handle that.

 

4,500 RPMs.

 

I I launch about 4k with k and had a 2.3 60 ft. time

 

my TII i had a 1.92 60 FT launching at 7000 rpm on plain old kumho 712's on stock rims

 

The only time I tried was a 3k RPMs and it worked pretty well.
88 SE

 

I launched at 3000-3500RPM on my 86 NA and got a 60FT time of 2.414, what you guys dont mention is whether you have LSD or not??

I am going back to the quarter mile this weekend for the second time to see if I can improve on my first runs.

My rx has no LSD so with that in mind what RPM do think I can launch at with minimum spin??

 

Another question would be are you guys dropping or slipping your clutches.

 

My clutch doesn't have much slip so I drop mine

 

7k maybe 7500 if the track is nice!

 

The track I race on only gets prepped for v8 meets, so if i launched at 7000RPM I would get nowhere, plus I am only running 225/45/17 street tyres

 

When I had my old clutch in the car I used to take off at about 4500rpm slipping the clutch to get a good clean start....( Never raced with slicks )

Since having the sprung button clutch in the car I have found that taking off easy the car boggs down and if I rev it up and dump it , it smokes the **** outa the tyres.. I cant win!

Just a note, I have been building my car to run in full street trim. I wont run slicks down the 1/4 for that reson.

So now I am playing with different tyres and spring/ shock setups to see what works best..

 

ive launched the highest at 6k but im scared something will break so i go 7k heheh your not racing em if your not breaking em