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12-14-2009, 12:08 PM
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#1 |
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Member
Join Date: Dec 2009
Location: Hainesport, NJ
Posts: 123
Likes: 0
Liked 15 Times in 2 Posts
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Re: Data collection
As FED says the correct way is one on the input shaft and one on the pinion.
A lot of your questions will be supplied by your trans & clutch supplier. For instance the Jericho will come all set to take the Racepak sensor . Here is an info sheet from RP that is pretty informative. Call if you need any help. 
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12-16-2009, 06:03 PM
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#2 |
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Senior Member
Join Date: Mar 2002
Location: TN
Posts: 530
Likes: 424
Liked 242 Times in 81 Posts
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Re: Data collection
It also helps if you post with a real name.
To really check what the clutch is doing aren't three sensors required? One for engine rpm one for input shaft rpm to ck clutch slippage and one for driveshaft rpm to see if you are spinning the tires. If i ever get around to finishing my Challenger it will have a data recorder on board.
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Rod Greene Real men shift for them selves. Slowly working on TA Challenger for D,E/S and a 72 Challenger for SS/K, L as if I don't have enough other projects. |
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12-19-2009, 10:53 AM
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#3 |
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Senior Member
Join Date: Mar 2006
Posts: 977
Likes: 796
Liked 275 Times in 76 Posts
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Re: Data collection
Rod you are correct. BTW Look into the Computech DataMaxx system. It will give you clutch slip %. The key to getting the input shaft speed is ordering the trans with the magnet already installed in the input shaft.
Hope this helps. Sean Marconette
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Sean Marconette 84 Mustang 5060 SS/N |
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12-20-2009, 10:20 AM
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#4 |
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Member
Join Date: May 2005
Location: Covington, La
Posts: 311
Likes: 63
Liked 83 Times in 20 Posts
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Re: Data collection
Goog: I'm glad you asked this question. But first, Don't be a Goober-Head! Not very many cars run a stick combo. And for that reason, I believe is the most likely reason you have not received an answer. Most racers do not run a stick because they are afraid of the can. I tried running my car with the sensor on the pinion only. I had two different data loggers with not much luck. I am now going to buy a Racepak and will put the sensor on the input. The only advise I can give to you is when you get up and running, Always use your clutch to shift gears. I would never attempt to shift without using the clutch. What a scary thought!
What ever you do, get a good data logger. Stay away from the one made in Chicago! Poor product and service to match! Good luck with your project.
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John Duzac D/S 4448 STK |
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12-23-2009, 05:20 PM
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#5 |
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Junior Member
Join Date: Oct 2008
Posts: 18
Likes: 0
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Re: pick up
I have spoken to Jerico about placing an order, and the RPM pick up. They can drill the input, or what I like much better is, make a collar that goes on the cluster. Then drill an tap the case for the pick up. I like this arrangement because it keeps everything out of the bell. I'm holding off on my order to see if clutchless trannys are approved. My personal opinion is they should not be allowed. I say this while I own a 5 speed Lenco. - Tom
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12-24-2009, 09:35 AM
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#6 |
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VIP Member
Join Date: Nov 2009
Location: Egg Harbor Township, NJ
Posts: 1,468
Likes: 1,448
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Re: Data collection
I run a stick but I use the Autometer Ultimate II Playback tach. 2 supplied magnets go on the driveshaft and the tach records engine RPM and driveshaft RPM. This info can then be downloaded to the computer or played directly on the tach. If you download to a computer, the graphs of each are laid over each other so you can determine where if any clutch slippage is occurring.
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