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-   -   2 step low rpm (https://classracer.com/classforum/showthread.php?t=82062)

jamie2370 05-04-2022 09:39 AM

2 step low rpm
 
Adding a 2 step, what are ya'll using for a chip at or below 3000rpm. I am footbraking it between 2800 and 3000 depending on spot on tree. Will it go higher on 2 step without pushing? All I see is an adjustable chip(screw adjustment) for rpm that low.

Steve Stasko 05-04-2022 10:02 AM

Re: 2 step low rpm
 
On my footbrake bracket car, I put a Digital 6 in the car with a built in two step...it has the adjustment dials for setting the two step at low rpm. I launch it at 24-2500. From playing around with the launch, I found no difference in how the car pushes vs. the foot brake. Just added the convenience of matting the throttle as opposed to having to "dial the rpm". I can get it up to 31-3200 before it pushes.

jamie2370 05-04-2022 10:05 AM

Re: 2 step low rpm
 
Car already has a 7al3 so I was trying to simplify things. I may just buy a couple of them, set them different and then label them accordingly.

cad 05-04-2022 10:33 AM

Re: 2 step low rpm
 
......

Rsmith38 05-04-2022 02:34 PM

Re: 2 step low rpm
 
I use the adjustable unit - never had a problem. Set at 2600 - couldn't hold on the 3000 chip that I had.

Glenn Briglio 05-04-2022 04:31 PM

Re: 2 step low rpm
 
I have an adjustable chip brand new

Bill Bogues 05-04-2022 09:40 PM

Re: 2 step low rpm
 
The adjustable chip for low rpm on two step works, you need an ohm meter to measure resistance to get rpm where you want it.

Larry Hill 05-05-2022 06:57 AM

Re: 2 step low rpm
 
If your car wants to push through the lights look at your rear brakes. On a hot track the front tires will side very easy.

340Cuda 05-05-2022 12:13 PM

Re: 2 step low rpm
 
Quote:

Originally Posted by Larry Hill (Post 661095)
If your car wants to push through the lights look at your rear brakes. On a hot track the front tires will side very easy.

I used to have problems pushing through the lights. I have dual rear calibers now and not a problem.

Robert Simpson 05-06-2022 11:54 AM

Re: 2 step low rpm
 
I have a adjustable MSD chip in a footbrake car a OHM meter is nec to check it but you can make a quick change in the car and see. Slightly diff question would anyone speak to me about what changes are needed to be done to a Qjet to use a 2 step on my footbrake car. Thank You


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