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-   -   Rear end spins out to the left. (http://www.clubcobra.com/forums/all-racing-talk/132229-rear-end-spins-out-left.html)

Jerry Clayton 01-29-2015 08:10 PM

from the look of your helmut and some of the things you have said---It looks like and I don't mean any malice, but I (a old time racer) believe that you are currently over your head as far a syour capabilities at drag racing----

I believe that on your launches that the weight of your left are is deflecting the steering wheel to the left at you lunge back as the car hooks and or comes down from a wheelie---- you should go to the line and do some drive a way leave/launches and get the car to go straight--if you try the max leaves, you are not only going to have a pile of things you do wrong but you won't find any two people that can give you the same description of how the car left--------

Look at my avatar---that car ran in the 7 secs and over 180 in late 70s/early 80s--------there are other pics in my gallery-take a look----

RET_COP 01-30-2015 03:00 AM

Jerry That was rocket ship times in the 70s and 80s Cripe!!! always wondered about that avatar.
I was running 10.00 @136 in my all steel 1967 z-28 camaro on a ladder bar dana 60. car weighed 3250lbs. Great times.

Jerry Clayton 01-30-2015 07:05 AM

Lou------racing the Monza in UDRA Pro Stock was for when I couldn't get out west to run the fuelers-------

I know that his wheels look straight ahead in the pic but with his head/helmut back that far-he is probably pulling on the steering wheel at that point and as the launch positive Gs level/drop off his reflex will he to push as his body and head/helmut goes forward and he may turn wheel a little to the right or left--------

I cannot over emphasize how vital it is to have a place to have that left arm/elbow/hand on wheel locked in place straight ahead for the launch------

RET_COP 01-30-2015 08:06 AM

Your right Jerry, my routine was practiced in the garage hundreds times, from the staging lanes to shut down.
That line lock also needs to work properly, hes drifting during the burnout. A rear video will show a lot. We had a spotter and shoe polish on the slicks. I wss on a Pro Mod team several years ago doing clutch management, the technology is just unbelievable these days.

landmass 02-02-2015 10:27 PM

Went to drags last night.
 
My burnouts were much better. The GoPro showed that once or twice I jerked the wheel to the left, causing the rear to go right. The other times, I held the wheel straight, and I lasted for a good 4 or 5 seconds doing a straight burnout. I will continue to practice locking the wheel until I do it naturally. BTW, the wheely was a one time thing, never yet to be repeated. I ALMOST did it one more time, but the front wheels were just kissing the track and the rear right wheel was wrinkled(and I was more prepared, so my head wasn't thrown back). I'm kinda new at this and I realize that I have a lot to learn - but I'm trying! The car weighs 2300 lbs and I'm running Mickey Thompson drags radials at 16.3 psi. Does that sound about right to you guys? Is there a formula I can use to calculate the appropriate psi? Maybe a call to Mickey Thompson would yield some information. Other MT owners at the track are running 23-25 psi, but they're on Mustangs that weigh 3200 lbs. or so. At least I'd like to get the psi in the ballpark.


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