Performance of Toda header without EMS
#11
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Originally Posted by mikecl713,Jul 26 2004, 03:44 AM
i lost power tooo i got 187hp and 135?tq.
lost almost 20 hp from my last setup.... difference is i was running considerably richer......
mxt_77 how close does ur header sit from the motor mount?
lost almost 20 hp from my last setup.... difference is i was running considerably richer......
mxt_77 how close does ur header sit from the motor mount?
You might also try doing the MAP sensor whack just to see if that makes a difference. I did that and it felt like it helped, but it could just be the placebo effect. I haven't been back to the dyno since then.
As for proximity to the motor mount... I dunno. The same as every other header, I assume. Why do you ask?
Anyway, here's my graph w/ a comparison before (red line) vs. the run with heat soak (blue line).
![](http://www.marcus-taylor.com/albums/s2000_dynos/heat_soak_dyno.jpg)
#12
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What I have found that helps a lot on the dyno is to unplug the fan switch, and jumper the wires together on the harness. This will keep the fans running constantly, then hold the revs at ~3K to move the coolant quickly while the heater is set to full blast. I did this while tuning last summer for 6 consecutive pulls over 1 hour, and all my results were within 1-2 HP.
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