Shifting heavy S/St car on Stop.....

CBS jr · 09-02-2011, 12:17 PM

I went outside and got a couple of nuts for you out of the bolt ben.
It wasn't that hot. What moparts can't run in the heat or 5000 plus feet.

sst7250 · 09-02-2011, 06:37 PM

We were racing too

I did not see a reason to go out and get any data at 5000' + of air. Cant see it as real useful but maybe I am wrong. We both know I have no clue what I'm doing anyway.

85transam · 09-21-2011, 09:17 AM

Trying to figure out running a throttle stop and have a couple questions hopefully you guys can answer. We have a heavy car (3500) that will run 10.30s. From what I have read I figure we should have the stop on very early ( .3-.5?). My main question comes from the fact that we have a three speed tranny. When is it best to shift into second gear, and I assume we should do both shifts on time? Thanks for all the help in advance.

gnicholson · 10-02-2011, 09:32 PM

not many guys throttle stop race with a 3 speed . that doesnt mean it cant be done.you should be able to shift into 2nd quicker than if it had a glide because you still have some gear multiplication. i would try .5 on the 1st shift and start with the 3rd shift right before the stop comes off say 1.5. this is just a guess on my part and you will have to experiment with timer settings as well as stop rpm adjustments

RacingRicki · 11-10-2011, 09:35 PM

i think you will have a hard time running the number shifting on time with that setup. you will probably have to set your rpm really high.

09-02-2011, 12:17 PM	#1
CBS jr Member Join Date: Jan 2005 Location: who cares Posts: 176 Likes: 0 Liked 0 Times in 0 Posts	Re: Shifting heavy S/St car on Stop..... I went outside and got a couple of nuts for you out of the bolt ben. It wasn't that hot. What moparts can't run in the heat or 5000 plus feet.

09-02-2011, 06:37 PM	#2
sst7250 Member Join Date: Jan 2009 Location: Las Vegas, NV Posts: 184 Likes: 9 Liked 45 Times in 32 Posts	Re: Shifting heavy S/St car on Stop..... We were racing too I did not see a reason to go out and get any data at 5000' + of air. Cant see it as real useful but maybe I am wrong. We both know I have no clue what I'm doing anyway.

09-21-2011, 09:17 AM	#3
85transam Junior Member Join Date: Sep 2010 Posts: 4 Likes: 0 Liked 0 Times in 0 Posts	Re: Shifting heavy S/St car on Stop..... Trying to figure out running a throttle stop and have a couple questions hopefully you guys can answer. We have a heavy car (3500) that will run 10.30s. From what I have read I figure we should have the stop on very early ( .3-.5?). My main question comes from the fact that we have a three speed tranny. When is it best to shift into second gear, and I assume we should do both shifts on time? Thanks for all the help in advance.

10-02-2011, 09:32 PM	#4
gnicholson Member Join Date: Sep 2011 Posts: 103 Likes: 15 Liked 4 Times in 3 Posts	Re: Shifting heavy S/St car on Stop..... not many guys throttle stop race with a 3 speed . that doesnt mean it cant be done.you should be able to shift into 2nd quicker than if it had a glide because you still have some gear multiplication. i would try .5 on the 1st shift and start with the 3rd shift right before the stop comes off say 1.5. this is just a guess on my part and you will have to experiment with timer settings as well as stop rpm adjustments

11-10-2011, 09:35 PM	#5
RacingRicki Sponsor Join Date: Sep 2005 Location: Colorado Posts: 106 Likes: 0 Liked 0 Times in 0 Posts	Re: Shifting heavy S/St car on Stop..... i think you will have a hard time running the number shifting on time with that setup. you will probably have to set your rpm really high.

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