Performance Trends, Inc.

Producing Quality Computer Tools for Racers and Engine Builders since 1986

Re: Performance Trends Newsletter (updates)

To: Visitors to Performance Trends Website

Subject: Product News/Updates, May 2017  

  1. New Lift Sensor Mount for Quick Cam Checker
  2. New Tach Signal Input for Blowby Recorder
  3. New Movies 
  4. New FAQs
  5. Last April's Newsletter


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1) New Lift Sensor Mount for Quick Cam Checker  We've never been satisfied with the lift sensor mounts we've been using on our Quick Cam Checkers.  Well, we've developed a new mounting bracket with several new improvements:

Quick-cam-checker-lift-sensor-mount.jpg (43574 bytes)  click image to enlarge     

These are now standard on the Quick Cam Checkers.  If you want to send back your Quick Cam Checker and have your sensors remounted, the cost is $150 for both sensors.

  for more info on the Quick Cam Checker.

to send us an email if you have questions on updating your sensor brackets.


2) New Tach Signal Input for Blowby Recorder We've developed a cable to use a tach signal for the RPM input for our Blowby Recorder.  The advantage of using a tach signal, is no other modifications to the motor are required.  There is no need for brackets, magnets, reflective tape, etc.  Shown below are the 4 methods of recording Engine RPM with the Blowby measurements.  The tach signal method is the one farthest to the right, part number DMC-BLRT.

Blowby Recorder Harness for RPM Input            Magnetic RPM Sensor for Blowby Recorder    Reflective RPM Sensor for Blowby Recorder DT3-RPMR    12 volt Tach Signal RPM Input  DMC-BLRT
Blowby-Harness-w-RPM-Input.jpg (68308 bytes)  click image to enlarge              BB2-RPML.jpg (85193 bytes) click image to enlarge           Optical-Reflective-Sensor.jpg (23636 bytes) click image to enlarge                            DMC-BLRT  DataMite Micro - Tach RPM Cable.jpg (56403 bytes) click image to enlarge  


The picture below shows Blowby recorded with RPM on 3 Consecutive DTS Dyno Runs (one large segment) on 331 cid Ford.  You can see how handy it is to have RPM recorded with RPM so you know what the engine was doing when it was producing a certain amount of Blowby. 


  to review all the information on our Blowby Sensor and Recorder.


3) New Movies We've published several new movies, helping to illustrate the features of our products and how to use our products.  We're also publishing them on youtube.  Youtube can be helpful because most any browser.  Occasionally some browsers will have problems with a particular movie file format if you try to view them from our website.  The advantage of checking our website first is we have more of a text description of each movie.  This way you can find the movie describing what you need more quickly. 

Cam-Analysis-FFT.gif (24554 bytes)   click image to enlarge          for new Spring Wiz movies.

Tree High Res.jpg (56730 bytes)   click image to enlarge           for new Drag Race Practice Tree movies.

DataMite-Inductive-Pickup-Troubleshooting-Movie.jpg (42324 bytes)   click image to enlarge           for new movie showing how to troubleshoot the Inductive Pickup for engine RPM on our DataMite Loggers.


4) New FAQs  Like just about every month, we publish more answers to FAQs (frequently asked questions).  Our FAQ page is a wealth of information, even for products you may not own.  Now only do we talk about the products, we talk about the theory, physics and chemistry behind our products, and engine building and vehicle dynamics in general.  New for this month include:

I'm getting erratic Engine RPM readings. What can I do?  (now includes topic of "Dithering RPM")

 The torque and HP will peak at different RPMs depending on if I measure or calculate the engine RPM on my chassis dyno. Why?

 When running my dyno, the computer will sometimes lock up and I have to restart it. How can I troubleshoot?

  for the full Frequently Asked Questions FAQ page


5) Last April's Newsletter Here are the topics covered in our previous newsletter.  If you would like another copy of April 2017's newsletter (or any previous newsletter) for detail on these topics, visit our website at: Performance Trends Newsletters 

  1. Suspension Analyzer v2.4 B Released
  2. Shock Dyno - Big Force Testing
  3. Last March's Newsletter

Performance Trends reserves the right to discontinue, update, or modify its product line and pricing at any time.