COP conversion and Dynolicious.

[Ernest]

My car still had original wires on them.  I know this because cosmoline flakes were all over them.

I had never attempted to gather raw data from any mods I had done over the years. This time around I was inspired to try with the COP conversion because of a Grassroots Motorsports magazine article where they showed an 8HP increase just by replacing the spark plug wires.  Granted, they were just getting HP they should have already had, I still wanted to see what would happen if I tried to gather data.

I used an Ipod touch with dynolicious software.  4 runs with the tired old stock wires and 4 runs with the COP conversion.*

Averaging out the runs, I found a 9HP** increase!  66.7 to 76.  WOOHA!

So if you haven't done it by now, go do that COP conversion!


*  Professional driver.  Closed course.
**Results may vary.

[DesktopDave]

That is a great article in a great magazine.  I love how they get their hands dirty, they really know what they're talking about.

I'll have to check the dynolicious software out.  76hp sounds a little low, even for net...even for my car!

[Ernest]

That is a great article in a great magazine.  I love how they get their hands dirty, they really know what they're talking about.

I'll have to check the dynolicious software out.  76hp sounds a little low, even for net...even for my car!

That's a good point.  I knew going in that I wasn't going to get an accurate whp number.  Dynolicious will calculate that number from the accelerometer inputs and how accurate you know your vehicle weight and drivetrain loss %.

What I was looking for, however, was a consistent way of measuring acceleration.  That way, when an engine modification is made, I can pull a useful comparison that should help confirm any gains made.  In my case, I got  67whp consistently before the COP conversion and 76whp consistently after the COP conversion.  

Knowwhutimean?

[Ryann]

I'd be interested to see a before/after test using your old wires vs. a brand new set of wires. I kind of like the fact that my coils are mounted away from the vibration and direct heat of the engine.

[Ernest]

I'd be interested to see a before/after test using your old wires vs. a brand new set of wires. I kind of like the fact that my coils are mounted away from the vibration and direct heat of the engine.

Until I get the rest of the results off my friend's Ipod, here's the best run.


COP CONVERSION

Acceleration

0-10 MPH:   1.08 sec
0-20 MPH:   2.75 sec
0-30 MPH:   4.54 sec
0-40 MPH:   6.91 sec
0-50 MPH:   9.67 sec
0-60 MPH:   13.33 sec


Elapsed Time

60':   3.10 sec   @   21.1 MPH
330':   8.32 sec   @   43.6 MPH
1/8 mi:   12.59 sec   @   57.9 MPH
1000':   16.36 sec   @   62.4 MPH
1/4 mi:   20.01 sec   @   58.7 MPH


Miscellaneous

Max Speed:   62.5 MPH
Max Acceleration:   0.47 G's
Peak Horsepower:   87 HP

Generated by Dynolicious