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Modification Math (stock turbo)

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Old Apr 14, 2008 | 02:38 PM
  #16  
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Originally Posted by crcain
Nice info Razorlab!

To summarize:

#1: bone stock evo 8 ---> tune, exhaust, filter, more boost = 34 hp

#2: bone stock evo 9 ---> tune, more boost = 32 hp

#3: bone stock evo 9 ---> tune, more boost, filter, exhaust = 76 hp

How come you think the #3 example was such a beast?

By the way that is real professional how you do the baselines like that. Very impressive stuff.

You forgot the other Evo 9 with tune, boost, exhaust with HFC = 50whp

Difference between that one and #3 is test pipe and open filter. I usually see 10-15whp with Test pipe and another 10 or so with a good open filter, so there is the approx 20-25whp difference between the two. Some are stronger than others of course.

We try to do baselines whenever possible. Numbers are just numbers but delta gains show the actual improvements.
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Old Apr 14, 2008 | 06:55 PM
  #17  
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Unfortunately, it isn't so realistic to attempt to add the benefit of various parts like a grocery list. The degree of benefit a certain part provides is dependent upon the efficiency of other parts. It would be convenient if power improvements could be listed like an a la carte menu, but it doesn't work that way. This is why certain vendors group parts into staged upgrades.
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