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Thread: Headers Dyno Comparison Thread

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Posts: 111-120 of 158
2009-07-09 13:21:14
#111
The car was never Dynoed with the 2" collector that the OBX came with...
The very first time this car was dynoed with the SR20VE it put down 167whp and it has been improving since then with the same header.... until now no major improvement from the header... But you have to test to know...
2009-07-09 13:24:48
#112
BTW the OBX header its not = to SSAC its more like an exact replica of the HS GenV at least as far as specs of the pipes...
2009-07-09 13:44:14
#113
Originally Posted by billc

What cams are you running now? And what switch points were you using?


Thanks -- Macakin is running SR16VE cams and 4800 RPM switch over. It looks to me like you might get even more mid range by switching over a little earlier. You might try it out if you get on the dyno again.
2009-07-09 14:17:11
#114
Originally Posted by billc
Thanks -- Macakin is running SR16VE cams and 4800 RPM switch over. It looks to me like you might get even more mid range by switching over a little earlier. You might try it out if you get on the dyno again.


We did, It was at 4600 but it was making a dip on the powerband
2009-07-09 16:06:25
#115
Originally Posted by lonewolf
i dont think the numbers actually matter, but more so the differences


it matters if the runs weren't done on the same day
2009-07-27 06:38:08
#116
have a custom set of of headers based on the 20v design in my hands now (thanks to Kiwi-Japie), will hopefully have them bolted up and re-tuned later this week.
2009-07-27 08:24:42
#117
Originally Posted by lonewolf
have a custom set of of headers based on the 20v design in my hands now (thanks to Kiwi-Japie), will hopefully have them bolted up and re-tuned later this week.


I'll be watching this with much interest.
Good luck with it!
2009-07-27 08:44:27
#118
Here is a 2ndary made for the 20V header. it's 2.5" the old one was 3.0"



here is the old one

2009-07-27 08:51:51
#119
Originally Posted by lonewolf
have a custom set of of headers based on the 20v design in my hands now (thanks to Kiwi-Japie), will hopefully have them bolted up and re-tuned later this week.


Would you mind taking some pics and post them as I had no time doing so when they were off
Gerry
2009-07-27 09:08:17
#120






probably could be neater around the collector etc, but sometimes the best performing stuff aint pretty!

keen to get them on and test them out.
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