Thread: Headers Dyno Comparison Thread

and on mine, in the best of all scenario's (increasing exhaust size, and full retune), it made no more power up top.

I'd say its more a case of the Fuji's being weak up top then the ASP's being great.

I was afraid of that. In the pic that's posted, both lines are black. I even zoomed way in, and to me it looked like the Fuji had more power under 5800. Can you post your picture if the colors are any better?

C

Ric -

In the dyno test, I assume that you are running N1s but I can't recall what exhaust and intake you are using. Also, are you using cam gears?

Thanks for the info.

Bill

For those of you who are spectacle as to the effectiveness of the asp header, how many of you have driven with one on your motor?

There is no need for dyno charts at all, I went from a ported SSAC with 3inch catless back, to the asp with the same 3inch.

There is no question the car picked up considerable (10whp++) everywhere.

I know it is easy to bench race, and others have had dyno's that don't seem to coincide with the asp header test results done by Snickers, but for those of us that have driven with one..well, maybe the impression was more evident?

Dudeman

havent noticed a huge improvement (if any) with my car.
When the drag strip re-opens after winter we'll see if there is better MPH at all (provided I havent done my intake manifold by then)

People did not order one based on yours or anyones driving impression.
People ordered based on the dynos provided and guru's opinion that these headers are great.
Run an open stock header and let us know your impression. Noise is not gains.

My car does like a chainsaw everytime vvl kicks in with the current setup but I wait until to dyno it to back up my impression.
When dyno or timeslip cannot back up your impression, who gives a f@ck about impressions?

Ask yourself how many would pick one if the dynos provided were -3hp against SSAC.
Also these headers were promoted mainly with the dyno that outperform the 'great Gen6 header'. For those with weak memory, ask Miko his opinion about Gen6.

I think you are trying to say skeptical instead of "spectacle".

I think it's good to have as many dyno charts as possibile to really get an idea of the effectiveness of a product. Sometime people read too much into one dyno chart whether it's good or bad. So, if you can add another dyno chart comparing the two headers it will help people out with their decisions, but a seat/butt dyno comparison is very inaccurate.

Based on the dyno charts so far, I think the ASP is the best for midrange.

I did not wanted to get into this but... all this Dyno battle of a header for me its plain bull**** I remember back in the days when the hotshot Gen 6 came out all the advertisement and all the promotion Mike Kojima gave to the header based on his test on their SR20DE car then when the real production began same thing happened months of waiting for a dam header... then what all of the sudden the results of the header didnt match Kojima's advertisement and people started bashing the header.. but for all of you that dont remember i was one of the ones that ordered the header and performed well on my SR20VE with SR16 pistons and regular SR16 cams made 205 whp and kept 200whp up to 8000 rpm's and my car trapped 102mph with me inside a heavy ass 300lbs driver.. You guys cant expect never for a MIRACLE HEADER... you guys need to start tuning you cars with the mods you have and stop copying internet recipes to make power jejeje every car will be different also VE's vary way too much on the whp given the same mods between each other as much as 10 whp so guys stop complaining and start tuning for your own application...

and start tuning for your own application...

This is the best advice .

saludos man.