What Our Users Say

Click here to see a short list of notable customers.

Listed below is a small sample of what some of our users have told us:

Tom Payn  2000 NMRA Pure Street Champion and 2000 WFC III Pure Stock Champion  "Engine Analyzer Pro has been a big help in 'dialing in' torque and HP from my engine. I also used Drag Racing Analyzer to help pick gearing and converter stall.  Performance Trends is the best performance analyzing software for the money."

Ken Duttweiller  Turbo Engine Builder  "I run nearly every engine combo through the Engine Analyzer Pro before we build it.  I use the power curves, which can be very close to real dyno curves.  I also use the other detailed outputs, like cylinder pressure and air flows during overlap, to really understand how each combo works and see the possible problems I might encounter."

Darin Morgan  Induction Research, Reher & Morrison Racing Engines  "I was able to input the data from our current Pro Stock engine and get within 1% of the actual peak and average power of the engine. I have worked with EVERY piece of software out there dealing with engine simulation except yours and I must say I am impressed.   ...your program (Engine Analyzer Pro) is the ONLY software that can adequately model the power curve of a modern Pro Stock engine...this is a really great piece of programming."

Troy Coughlin  Jegs Mail Order Pro Stock Racing Team   "It (Drag Racing Analyzer Pro) is really amazing.  I load in my car's specs and the weather conditions and it predicts my ET to within a couple hundredths."

Chris Andrews  Team Engineer, Richard Childress Racing  "Performance Trends' Suspension Analyzer is the fastest and easiest way for me to get the answers I'm looking for."

Tom Rayl  Karting Engine Builder  "I've got over 15,000 dyno pulls on my inertia dyno with the Dyno DataMite system.  This is some of the best money I've ever spent." 

Will O'Connor  Engine Builder  Niagara Power Sports (www.NPSRacing.com)  "The Performance Trends Valve Spring Tester is both accurate and fast. It paid for itself in the first couple weeks we owned it, when it help solve an on going valve spring problem we were fighting."

Monte Campbell J.R. Pump Motorsports, Winner 2006 Pro-Mod AMA Prostar Nationals Finals   I really appreciate your DataMite II system on my Pro Drag Bike. It's a little bigger than some of the other loggers out there, but it's "bullet proof" for getting me the data I need. Last race the other Pro bikes had problems with their "high dollar" data loggers downloading data, analyzing the data, etc. They all were looking at my DataMite data to see the bump down the track causing us fits.  Yours was by far the most reliable, accurate and easy to use. Also, your tech support is great. 

Lohring Miller B&M Mfg  RC Boat Speed Records (109+ MPH on Water with 26ccs)  Mike Bontoft and I work together as B&M Manufacturing.  We develop model and full sized boats for racing and speed record attempts.  So far we are the only people in the world to hold gasoline powered, radio controlled boat records over 100 mph.  Our 26cc boat record is 109+ mph and our 36cc record is 103+ mph.  The development of the 36cc engine is described in an article I did for www.modelgasboats.com.  You can find it with a picture of the dyno setup at http://www.modelgasboats.com/Magazine_Content/Tech_Articles/CMB_35_Record_Engine.html    You will notice that I import all the data into a spreadsheet so I can average runs and format the display.  When we are in the process of testing, the comparison of different runs with your graphing function is very helpful.  We often make 40 runs in an afternoon, and this would not be possible with a brake dyno.  Inertial dynos are also easier on the engines because the tests are so short.  I plan to write an article for Model Engine Builder describing the construction of the mechanical parts of the dyno.  So far it has withstood lots of runs over 20,000 rpm with only one bearing needing replacing.  We are talking about runs over 30,000 rpm if we decide to develop a 30cc twin, so we may need to talk to you about the display at this speed.  Thanks again for your support over the years.  

David Inall  APS Engineering  Australia  We have just finished doing the work we originally purchased your equipment to undertake [DataMite II with 4 DT2-AF2s (8 individual cylinder A/Fs)].  Not only did it work flawlessly ... , but the end results succeeded in scaring us just as badly as I thought it would!! ....  Please allow me to say, your service is, without doubt, the absolute best of any US company we have ever dealt with.

Tracy Hamilton  S/Pro Drag Racer  Alamo, TN  The 4 Link Calculator has helped me get 10 cars set up so they all launch perfectly.  I went from a 1.32 60 ft to a 1.27 after my first adjustment to what the program suggested.  Every driver is thrilled with how predictable, straight and consistent the car leaves the line.  When they ask what I did, I show them my computer and say, "Just do what this program says."  This is the best $80 I've ever spent. 

Dave and Aidan Charity Kart Racing in UK  Thanks Kevin, For a very quick reply, I didn't know what time it was "over the pond" and had expected a longer wait. You might like to know my Son (now aged 12) has secured two championships and no less than 31 trophies in just over 18 months of Kart racing. Thanks to your products (Dyno DataMite III USB) we can set-up carbs to engines and monitor effects of adjustments in the workshop under controlled conditions. 

Jason Shumate NHRA Div. 3 Racer  "Drag Racing Analyzer is working beautiful. Just as an example, I was in Chicago at the NHRA meet last weekend. We ran two passes on Friday and ran a 10.70 and 10.95 for the (Throttle Stop Prediction) setup. We came back Saturday morning and the wind changed from calm to a 23mph head wind and the temp dropped and humidity went up. Everyone in our class ran 11.00's or 10.70's and we ran a 10.93 which was the closest car to the 10.90 index.  Thanks."

Tim Gillespie  Gillespie Racing  "Without my Datamite to help me dial in my new car, there's no way I could have won a points meet the second time out."

Jean Stafford  Stafford's Racing Products  Dayton, OH "The (DataMite) system (with our inertia dyno) has given us the opportunity to create some engines capable of competing with those anywhere in the country. We compared engines from other builders all over the country, and ours are as good, if not better, than theirs. I might have mentioned, we set-up a Comer 80cc engine for a young driver last week, made fifty+ pulls on the dyno, making changes that we felt would be beneficial, and ultimately set fast time, and won pole position for the George Evans Memorial Race. Two weeks of (dyno) testing yielded more information that six months at the track.  Thanks."

Lyndon Wester, Wester's Garage, Tilley, Alberta, Canada  (Note:  Lyndon only had the "email activated" demo of Drag Racing Analyzer v3.0 on their desktop and not on their laptop yet.)  "Ran the (Drag Racing Analyzer)  software and compared it to what the car 'actually' ran at the track, and believe it or not--it's only out .005 the actual consistent times that the car ran. We're back to running last years' engine due to a little 'rod' failure via stressed rod bolts, and threw a couple carbs on a tunnel ram and did one jet change...to run consistent 11.714 to 11.712 all weekend.  We broke out when our little 'headwind' stopped mid-afternoon and sent us packing. Next day, was I ever shocked when I entered the headwind #s in the software and came up with 11.652 (we ran 11.663)--showed this to my driver and he said (and I quote), 'If you leave this software home next time we're at the track, I'll have to kill ya !!' "

Needless to say--hope the discs show up soon, so I can install it on the laptop.  Thanks again for making an "accurate" product.

Kent Kroeker,  President of KORE ( www.koreperformance.com ) , CA  Desert racing is one of the most punishing and unforgiving motorsports in the world. We use Performance Trends software (Roll Center Calculator), so we can test engineering changes in the virtual world, rather than destroying parts in the actual one. Not only does it save a lot of money in parts, it saves R and D time. The net result is that our race program improves more quickly and for less money. 

Curtis Boggs, Racing Flow Development, Tilley, Alberta, Canada  After "updating" to the Port Flow Analyzer Pro the time it takes to properly flow and analyze a head has dropped to minutes not hours as before. More importantly the use of Port Flow Analyzer has helped me find performance gains I couldn't find the "old way".  The 2nd (1600 cc Ford) head we produced using the additional information the Port Flow Analyzer provided gave use an average of a 2 HP GAIN over any other head available!  All I can say is Port Flow Analyzer is great, .. and thank you very much.


"I have both engine programs (Engine Analyzer Plus v3.2 and Engine Analyzer Pro v3.3) and have great success with both programs.  We have done over 100 engines through the programs & then on the engine dyno & had remarkable accuracy on every time we have run the dyno.  The other amazing thing is the extra horsepower that has been found on some engines because of the infinite testing you can do before you build and dyno a engine.  Very happy."

"I can't thank you enough for the great service,  ..  you and your crew have a top notch product and back it up with incredible service."

Dan Redmond Engineer, Charleston, WV "The DataMite has been very valuable during 'test and tune' in helping us set-up our Jr Dragsters.  My daughter Kelsey won the 14-17 year old age group, and my son Kaleb placed fourth in the 10-11 year old age group at the Maryland International Raceway IHRA Junior Nationals."

Dean Clattenburg PASS South #39  Just wanted to thank everyone at Performance Trends for producing such incredible software.  I've been utilizing your Suspension Analyzer on our super late model for about 5 years now and have yet to fully utilize the software to what I believe to be its full potential for both the front and rear suspension.  My team has enjoyed great competitive racing over this time using Suspension Analyzer.  Each season we only compete on a limited schedule but most recently in 2008 won a super late model race at SNRP in Kenly, NC.  In November we made the cover of Late Model Racer Magazine with a story about our racing efforts.  PT is a part of all that and I thought y'all should know.  Myself being the driver/suspension tech, the relationship from computer to race track is invaluable to me.  With my limited resources and time I am able to work out my desired front end settings and put them through simulated dive and roll in the computer without leaving the shop.  Once this was done a few times and used in conjunction with my driver feel at race track tests and later through the duration of race events, I have been able to better expand my thought process and back up the results used from simulation in the software.  It is quite an enjoyable process and beneficial to the success of my team.  I highly recommend your software products to low budget teams on up.  A racer can save much more in time and money utilizing the software than it costs to purchase it.  Many times this information is worked out for you when you buy a new car but if you want to try and take it to another level or just utilize a shop full of different front end parts in an effort to save some money, this software will defiantly help.  If one is racing for trophies, $100 to win or $10,000 this software works.  Thanks again for such great service.   

Gil Merolli Drag Racer, NH  "Oh, and by the way it (4 Link Calculator) worked awesome.  My 60 foots went from 1.45 to 1.38.  I was pumped."

Gary Whitmire Cycle Tune  Fresno, CA  "Your Port Flow Analyzer Pro has converted my 'dust collecting' flow bench into a tool I now use every weekend.  I'm thrilled with your products."

John Powers  Comp Eliminator Racer  Addison, MI "We reset the National Record in AA/A class.  Your Trans Gear Calculator and Drag Racing Analyzer helped us pick different trans and rear end ratios that improved the car's performance on the track!  Thanks!"

Don Gould   Too Much Motorsports   Vancouver WA   "(using your Practice Tree software) I cut my reaction time average last year from .551 to 521!  EXCELLENT program!"

Ray Fulton Fundy PowerSports   NS Canada   I received the (4 channel) Datamite on Friday. Had the Dyno up and running since Friday night (until 2:00 A.M.)  It works perfectly. I am very impressed with the hardware and software. It repeats within 1-2%.  If they want, people can contact me at  fundypowersports@yahoo.ca

Glenn Watson  Circle Track Racer Ont Canada  Thought I would fire off some feedback regarding your Engine Analyzer Pro program. I am in the process of building a new engine, with a little different setup than my current one. So for kicks, I downloaded you EA demo just to see how close it was to the engine I had dynoed the previous spring.  I selected some of the provided examples for cams and a set of dart heads, pressed the calc button and to my amazement the number were remarkably close.  Wanted to get a little closer to my specs so I entered my cam specs, head flow info and found it was a little high - so then I tweaked the exhaust specs to match a little closer to my headers and I have it almost exactly what my engine dynoed and now have established a baseline.  Now I can play with the carb specs, head and cam specs to tweak it a bit.

JJ Hall, Dale Engineering  Harrisonburg VA   Gotta say thanks to the guys at Performance Trends!,  Kevin your the man!  Kevin helped me get the first dyno data (Dyno Data Analyzer) program going for my old 801 Superflow.  He worked with me a lot of hours to make the new program work. I used this program for about 5yrs. no problems! I then had the dyno updated to a 901, he help me get a couple bugs worked out with the new control board that was installed in the console of the dyno, been using this about 5 yrs also.  (Another software package) is too time consuming, too many steps to get the info, storing files, graphing, overlays.

Jarmo Yylipelkonen, Finland has used several Performance Trends performance to help Juhani Jyranko get his 51 VW Beetle to the top of spot (by a huge margin) of the Cal-Look standings  http://www.cal-look.com:80/top20/top20main_2006.shtml   "I made tune-up, with your worlds best wideband A/F meter, DT2-AF1, (and Black Box II Dyno system) also I made final porting too, to the original type 4 heads for Juhani Jyränkö."

Update for 2007:  Last summer (2007) he did 10.48/125 1/4 mile. No nitrous, no turbos, licensed street car, with original heads and rockers, ported and flowed, 270 cfm at 28", type 4 engine.  Biggest improvement was a new custom ground camshaft, made  in Finland and with your Cam (Test Stand) instrument.  Wheelie bars, new crashbox transmission from Porsche 911, engine 4-cylinder 2.7 litres boxer (2.6 litres 2006).  We found with the Dyno Datamite (Black box) and inertia dyno, and your wideband A/F meter 292 horsepower and 265 ft/lbs engine power.

Scott Blevins, USLMA (US Late Model Ass.), Amerillo TX  We've made tremendous improvements using your Suspension Analyzer software and with the help of Ed OHayre's suggestions for shocks and springs.  We dropped our lap times from 16.8 seconds to 16.3 seconds at Colorado National Speedway in Denver.  This stuff is great.

Pat Mikesell  Dad/Crewchief, Chris Mikesell Motorsports  www.chrismikesell.com  Salina KS  Thanks Kevin!!  I think understanding and adjusting our front roll center (Roll Center Calculator) is the single most effective improvement to our racing program that we've done.  We LOVE it!!  I'll let you know if we decide to upgrade to the Circle Track Analyzer.

Dave Price Australia  Just a quick e-mail to let you know the (Dyno DataMite III USB) equipment arrived. I am very impressed with the quality of the system.  Documentation is comprehensive and well laid out.  Thank you  Regards Dave  A very happy customer.

Alex Buchholz of "Alex' Zweitaktschmiede", D-63263 Neu-Isenburg, a@alex2stroke.de Germany  I'd like to commend you for the perfect service to me.  Before buying (DataMite III USB for Dyno), all my questions were answered in a calm manner (and there were many!).  All items were shipped properly, arrived here in best shape, were correct.  All cables came at the requested length, all cables and plugs were perfectly laid out. No questions required.  Installing the program was a joy! Whenever, after reading the text, a question sprung to my mind it was immediately met by a window with encouraging explanation. Bravo!  Couldn't be any better!!!!!
Alex's 1964 DKW F12 (DKW is predecessor of today's AUDI). 920 cc 3-cyl inline 2-stroke engine, 90+ HP at 6800 RPM.  "Very quick."

Wesley Bochem Hurricane Racing Netherlands  www.hurricaneracing.nl  info@hurricaneracing.nl   We have received the package and we got her working very nice program and equipment (Cam Dr Retrofit Kit using Cam Test Stand software and electronics). The first 10 exotic cam profiles are in files now. Its very useful that the graphics can be layout over each other so then its very clear what the difference between the cam profiles is. Thanks for all the help and good service nice to do business with you.

Nick Gay  British Drag Racer  www.sportsman-et.co.uk  Thanks for your help and by the way I have finished third in the British Drag Racing Championships (sportsman et) three times in the last four years and was not beaten on reaction time all last season. So you can see the Practice Tree v2.0 works!

Joe Abbin, Roadrunner Engineering (www.roadrunnerengineering.com) is the author of 335 HP Flathead Ford V-8 Handbook and others. EAP (Engine Analyzer Pro) is an essential part of my engine development work. Now that I'm a partner in an engine dyno, I can verify and troubleshoot the info from both the software and dyno. If there is a significant difference between the results, it is often the engine/dyno that is faulty! My dyno partner, Gary McGlasson of McGlasson Racing Engines, has also benefited. Gary is currently responsible for three NHRA national records in Super Stock. Thanks.

Robert Freyvogel, PA  Been using this program (Engine Analyzer Pro) for over a year now and been the best money I've ever spent in my Hot Rodding hobby. I love it! Enclosed is a file for a 540ci BBC that we hope to take to Bonneville this year. It has a very mild tune for longevity sake but should still make 1800hp. Also the program from my 496 BBC that really matches what I see at the track and on the chassis dyno. I used the program to optimize my ignition timing and I think it is one of the reasons why the car runs so well. Thanks for producing such a cool program!

JM  Milltown, NJ  "Awesome software (Engine Analyzer), it blows (the other engine programs) into the weeds!"

FD Wayzata, MN  "I have to agree, you have the best computer programs (Engine Analyzer).  Accurate enough that now the dyno time is used for tuning and not developing.  For the hobbiest like myself, the other programs are just video games, yours is a tool."

MS Virginia Beach, VA  "Using a step by step approach (with your 4 Link Calculator), 60 ft times are now in the 1.30s with a best of 1.36.  (We started at 1.50 seconds.)  ETs have dropped accordingly."

HM  Chicago, IL "You guys have excellent software, the best auto software I've ever used."

DB  Murrieta, CA  "This (Engine Analyzer) is a very complete product and it blows the (another engine program) away!"

JK  Finland  "Our major business is Hi-Perf engine building and with Engine Analyzer (Pro) we build many versions with our customer and after that we decide which combination is best.  We have tested some of our build engines with dyno and what amazing, YOUR PROGRAM CAN GIVE ALMOST SAME HP AND TQ DATA WHAT DYNO GIVE!!!  When we advertise first time that (we use your) programs, our sales are increased almost 30% !!!  SO THANK YOU WITH YOUR VERY GOOD PROGRAMS."

MT  Wildomar, CA   "The DataMite I purchased (for my inertia dyno) ... is working great!  It is a great improvement over the (competitor's electronics) setup that I originally had.  I have already managed to find 5 HP (not bad when you are starting with 13) by changing cams, ignition timing, jetting and valve settings."

RS "PTI has the MOST accurate automotive computer product (Engine Analyzer) for whatever era it's designed in because you include 'details' like port size, runner lengths, intake manifold heat, engine drag from various fans and accessories making it possible to simulate factory engines as well as race engines."

DB Canada  This program (Practice Tree) is great one.  With this, I'm improve my reaction time and regularity in reaction.

JS Grove City, MN   I received the DataMite on Friday. Had the Dyno up and running since Friday night (until 2:00 A.M.) It works perfectly. I am very impressed with the hardware and software. It repeats within 1-2%.

JY Finland This Black Box II system is outstanding good.  Repeatability is very good.  Have made over 400 pulls since I start.

JW McComb, MS  Best program (Engine Analyzer v3.2) I have ever seen, the most realistic out!  By Far!  I have built many engines using this and performance is just like the program says!!

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