Racepak for stick cars

[Mark Madison]

I use 3 inputs , Engine Rpm, Input shaft/ Clutch Rpm & Driveshaft Rpm
Is the tire spinning or the clutch slipping while using one sensor for both.

Mark Madison

Has anyone put this sensor in a Gforce G-101 4 speed? Is there a good way of doing it?

[Dave Casey]

Mark, what racepak unit do you use?, and does anyone know if the correction can be put into the sportsman and the v300 ?

Thanks,Dave

[Dave Casey]

Monty, by having the engine rpm and the input rpm, you see a true graph in every gear, all the time, another words you see proportionally how much the clutch is slipping. The driveshaft rpm increases continually and it is harder to see the true slipage. Comp and prostock cars have it easy putting the sensor right on the input because mainly they have more room to get the sensor in the bellhousing astheir bellhousings are much deeper than ours and have a different input setup.

All that being said, I am no expert on this data stuff as I don't have any in my cars yet, I just have an understanding of it some what.

Dave

[Mark Madison]

Dave, I use a RacePak SC1000 with the latest upgrades, not a v300 but good enough. You can try Right clicking the clutch icon and the "scaled buffer channel parameters" window will appear. To adjust for the countershaft ratio adjust raw data value "B" . for your M/D ratio.

[Dallas Kelly]

A top and bottom loader Jerico modified for Racepak sensor by re-machining the cast-in fill plug boss.

[Altronics]

The DataQuest system easily plots Clutch RPM and Clutch Slip Percentage.

One unique feature the DataQuest system has is that it does NOT require a sensor on the input shaft of the transmission. The system is smart enough to determine which gear you are in and then can accurately compute input shaft speed from drive shaft RPM. This reduces system cost and installation issues and provides EXACTLY the same data as having a sensor in a manually shifted car.

Yet the DataQuest does allow you to install a sensor when you may be running a lenco style transmission and want to be able to see the diffrence between clutch slip and transmission clutch slip.

For more info check out our website!

[Dirk Olson]

Mark and Dallas,

Great work, I very much appreciate the help and information. Good to see stick guys helping stick guys, not many of us out there.

Thanks Again!

Dirk Olson
5036 B/S

[69Cobra]

Originally Posted by montys 55

Thanks Dave,that info helps.I use an Autometer Ultimate II with the sensor on the rear pinion and a stick shift.

Same here. It gives you what you need.

I was just wondering if the gear oil in the tranny messes with the readings when the sensors are installed like this?

[Mark Madison]

Originally Posted by 69Cobra

Same here. It gives you what you need.

I was just wondering if the gear oil in the tranny messes with the readings when the sensors are installed like this?

The oil has not effected mine. I run the sensor about .030 from the collar. Todd Payton has suggested that if there where problems with interference from the gear oil I could use Racepaks 12v powered sensor.

If there where enough interest I would consider making a kit that would include the collar, sensor adaptor and drilling guide.

Mark Madison