184 RWHP S4 6-port
10-30-12, 07:34 PM
#26
^correct. even in modern engines, after a certain given amount of TPS input, the ECU will pretty much ignore all O2 sensor input, and go into a pre-determined mapping. in older setups, O2 only comes into play in steady state cruise scenarios
and keep in mind, 184whp could be calculated as being 211 at the flywheel, with a very modest 15% powertrain loss
and keep in mind, 184whp could be calculated as being 211 at the flywheel, with a very modest 15% powertrain loss
10-31-12, 10:22 AM
#27
^correct. even in modern engines, after a certain given amount of TPS input, the ECU will pretty much ignore all O2 sensor input, and go into a pre-determined mapping. in older setups, O2 only comes into play in steady state cruise scenarios
and keep in mind, 184whp could be calculated as being 211 at the flywheel, with a very modest 15% powertrain loss
and keep in mind, 184whp could be calculated as being 211 at the flywheel, with a very modest 15% powertrain loss
Now I understand. Thanks for the replies. I already understood that that was RWHP and not at the flywheel, so I would be looking for 170 RWHP equivalently as my goal.
I was looking up what it would cost to get my car tuned and it would be
200 for a used apexi neo SAFC
100 to install it
125 for a fuel pressure regulator
150 an hour for dyno and tuning (estimated at 2 hours)
Does this seem reasonable? I could probably install the controller myself.
What sort of power gains could I expect?
04-05-13, 07:50 AM
#29
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great numbers. I'm building almost the same setup with an s5 intake and I port my exhauts with pinnaple template. I'm realy curious how much I will pull. I'll keep you updated
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