R2C, Stillen HFC & Stillen exhaust dyno pull

esfourteen · 06-09-2010, 04:12 PM

Quote:

Originally Posted by flashburn

20whp because it was your first bolt-on obviously. Once you get HFC's and CBE the performance difference between stock and aftermarket CAI's are pretty negligible.

Do you have first hand proof of this, or are you like the countless number of people on this forum that just keep regurgitating this line and stating it as fact for all new people to read. The general idea that mods HP gains don't "stack" is more or less true, but as far as intakes go on the 370, that is clearly not the case.

Look at semtexs' before/after for example

He picked up gains throughout the powerband as well as a peak of +15whp

Does that sound negligible to you?

flashburn · 06-09-2010, 04:23 PM

Quote:

Originally Posted by esfourteen

Do you have first hand proof of this, or are you like the countless number of people on this forum that just keep regurgitating this line and stating it as fact for all new people to read. The general idea that mods HP gains don't "stack" is more or less true, but as far as intakes go on the 370, that is clearly not the case.

Look at semtexs' before/after for example

He picked up gains throughout the powerband as well as a peak of +15whp

Does that sound negligible to you?

People have posted other dyno charts (done the same day) that have showed negligible gains when going from stock to aftermarket while already having the other boltons. I've seen the charts semtex posted, but honestly unless they were done on the same day, I'm not going to put much weight into them. Also, on his charts, I can't tell, but are there any gains mid-band or is it all at peak RPM? If there are gains but they are only at redline, who cares?

esfourteen · 06-09-2010, 04:28 PM

Quote:

Originally Posted by flashburn

People have posted other dyno charts (done the same day) that have showed negligible gains when going from stock to aftermarket while already having the other boltons. I've seen the charts semtex posted, but honestly unless they were done on the same day, I'm not going to put much weight into them. Also, on his charts, I can't tell, but are there any gains mid-band or is it all at peak RPM? If there are gains but they are only at redline, who cares?

I have yet to see a g3 dyno that showed little gains, find the threads if you can I'd be interested to see. If you look at the the 2 graphs closely you can see he definitely gained good power throughout the entire range.

flashburn · 06-09-2010, 04:40 PM

Quote:

Originally Posted by esfourteen

I have yet to see a g3 dyno that showed little gains, find the threads if you can I'd be interested to see. If you look at the the 2 graphs closely you can see he definitely gained good power throughout the entire range.

I'll look at it closer later, but it is hard to tell since one graph goes to 600 HP and the other is 500 HP, it skews things. I'll also see if I can find some of the dyno's of other CAI setups with other bolt-ons, I know there have been at least a few posted.

The best would be to get runs with stock, just K&N Dropins, and then one of the long tube CAI's, all back to back. Someone up for that challenge perhaps?

esfourteen · 06-09-2010, 04:58 PM

Quote:

Originally Posted by flashburn

I'll look at it closer later, but it is hard to tell since one graph goes to 600 HP and the other is 500 HP, it skews things. I'll also see if I can find some of the dyno's of other CAI setups with other bolt-ons, I know there have been at least a few posted.

The best would be to get runs with stock, just K&N Dropins, and then one of the long tube CAI's, all back to back. Someone up for that challenge perhaps?

I would if I had a friend with a shop =]

fwiw RCZ dynoed the stock intake vs stock with no filters back to back and saw no gain at all, so I don't think drop in filters do anything.

JvKintheUSA · 06-09-2010, 05:48 PM

So where do the G3/Injens get their power gains from, if the filter apparently is not the issue? Do they get the gains just from the colder air (which btw on a dyno with the hood open does not really matter IMO), or from the smoothness of the intake tubes? Maybe A/F ratio or something like that - I'm no expert...

06-09-2010, 05:48 PM	#6 (permalink)
JvKintheUSA Enthusiast Member Join Date: Jun 2009 Location: Canton, GA Posts: 465 Drives: 2013 Shelby GT500 Rep Power: 429	So where do the G3/Injens get their power gains from, if the filter apparently is not the issue? Do they get the gains just from the colder air (which btw on a dyno with the hood open does not really matter IMO), or from the smoothness of the intake tubes? Maybe A/F ratio or something like that - I'm no expert... __________________ Last edited by JvKintheUSA; 06-09-2010 at 06:02 PM.

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