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copy of Dyno Comparison for Each Part Added

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Old 08-24-16, 01:05 PM
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The stock ECU is "safe" but not ideal.
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Old 08-24-16, 01:16 PM
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Thank you for taking the time to do all this for the community!
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Old 08-24-16, 02:23 PM
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Chris, I wonder what max injector duty cycle you hit per bank (primaries and secondaries separate)?
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Old 08-24-16, 02:43 PM
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Sorry if I missed it but what cat is this on?
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Old 08-24-16, 02:48 PM
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Originally Posted by silverTRD
Sorry if I missed it but what cat is this on?
Stock cat, everything on the car is stock with exception to what was mentioned in the first post with exception to the Walbro 255. After that every part that was changed was documented.
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Old 08-24-16, 02:56 PM
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That is impressive. I wonder what a HFC would do. The most fun I had with my car was similar to these mods but with a hi flow cat. It was a blast, and no problems at all.
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Old 08-24-16, 03:11 PM
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Yes, this car drives better and handles better than factory thanks to the HKS coilovers, along with having around 100+ more rear wheel power than original. This will be more than enough for our customer. For the past 12 years or so, he had countless visits to the Mazda dealer trying to figure out the LIM gasket issue, so the car was down around 150hp due to no boost. When I gave it back to him last time with the 254rwhp, he was amazed. He will be picking it up this Friday.
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Old 08-24-16, 03:41 PM
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Curious: How is emissions on the last numbers? CO, Lambda values, HC values etc?
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Old 08-24-16, 03:54 PM
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We do not have emissions testing in our state. The Lambda/wideband are perfect even leaner than the factory ECU, which is documented in this thread. Everything else we do not test for and do not need to.
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Old 08-24-16, 05:21 PM
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Great thread! Just read through it and has very useful info for people looking to get the most out of tt and keep emissions for states like mine!
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Old 08-24-16, 05:33 PM
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No adjustments are needed to the tune after installing the HKS Twinpower?
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Old 08-24-16, 05:48 PM
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Car was tuned with the twin power installed, see post 52
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Old 08-24-16, 05:57 PM
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Missed that. Thanks. Would you suggest a new tune to a car that is only adding the twin power? Thinking about getting one
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Old 08-24-16, 06:31 PM
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In this thread from last month I did back to back testing on just the HKS twin power install. https://www.rx7club.com/3rd-generati...rison-1103125/

As I said there:

Originally Posted by Banzai-Racing
Any changes to fuel, air or ignition should at least have the AFR's verified, if a substantial change is noted then a tune is required. The car above was already at the shop for tuning, the first run the AFR's were stable but the ignition was not, installed the TP for the next run and the AFR's were still within acceptable range. Then proceeded with tuning the car.
Doing that back to back test is actually what gave me the idea for this thread.
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Old 08-24-16, 09:10 PM
  #90  
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Originally Posted by Zepticon
Curious: How is emissions on the last numbers? CO, Lambda values, HC values etc?
I'm not sure how Norway's tests emissions test work, but if the stock cat isn't damaged and the airpump/ACV is working like stock with the PFC, all those numbers should be very close to 0 at idle and on the fixed vehicle speed portions of emission tests.

Changing those parts doesn't affect emissions when the engine is warmed up.
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