There's a thread on rennlist - which our own Jack Olsen has contributed to
Link
That shows different dyno numbers - same car, same set up, same day - only thing that is different is the chip. Yes, one test - but how in the he!! do you explain that Loren?
Stock
Performance chip
Jack even mentions "These numbers seem in line with reality. The headers get me some improvement over my stock 247 crank horsepower. I can't think of anything other than the chip to explain the second graph's results. It seems too much to qualify as normal dyno variations.
But let me know what you think would be a reasonable way to conduct the test, if what I did is significantly flawed. If it's practical to do, I'll do it."
Your argument Loren is invalid and illogical.