Clockwork Racing Engines and Products...
#1263
#1264
#1269
#1270
Not on the same graph, but there's the stock vs. mod on both engines. Stock vs. stock the Speed blows the B5 out of the water.

#1272
#1273
here is the B6 vs Speed and B5 vs Speed...... I have had my dyno setup with both a light inertial mass and a heavy inertial mass...but due to issues with my drive gear breaking I had to retire the heavy flywheel...my original B5 testing was done on the heavier flywheel...the new testing of the engines has been done on the lighter flywheel........ The weight of my flywheel mass changes the engines curve on the graph, even with recalibrating the software the results have changed some........So now that I have settled on the lighter flywheel mass I will go back and retest all the engines I have tested..... FYI all my black dyno graphs are done with the latest dyno configuration...
Now because all the manufacturers shim their engines differently the final compression ratio's will be different...in my testing I try to equalize the compression ratio of all the engines tested...the stock XZB Speed comes with 7.9/1 compression, the stock B5 and B6 are closer to 7.3/1...by removing 1 thin head shim the B5 ends at 7.9/1 and the B6 at 8.0/1
here is dyno comparisons of the B5 vs Speed and B6 vs Speed, on my current dyno configuration and compression ratio's equalized...... For my testing it is critical to have the compression ratio's equalized, these graphs were for my own testing, but I figured I would post them anyways..

Now because all the manufacturers shim their engines differently the final compression ratio's will be different...in my testing I try to equalize the compression ratio of all the engines tested...the stock XZB Speed comes with 7.9/1 compression, the stock B5 and B6 are closer to 7.3/1...by removing 1 thin head shim the B5 ends at 7.9/1 and the B6 at 8.0/1
here is dyno comparisons of the B5 vs Speed and B6 vs Speed, on my current dyno configuration and compression ratio's equalized...... For my testing it is critical to have the compression ratio's equalized, these graphs were for my own testing, but I figured I would post them anyways..

#1275
with 1 shim removed the B6 has slightly higher final compression,...that helps it with the bottom end.. i would have to trim the B5 button to make them identical....But it does appear the B6 has a little more torque on the 2013 when both engines have a shim removed.... stock shimming I do believe the B5 still has more torque...the B6 picked up pretty good with just removing a shim...






....but it needs to have a roto start!....what can you do?
To each their own.... lol

