Knock Prevention
10 September 2011, 08:30 PM
#3
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i have a hawkeye wrx, in the avatar, but the engine has been subject to detonation so its foooooked! so i need to take some measures when its rebuilt to stop it!
10 September 2011, 08:48 PM
#4
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Stock ecu has knock correction and that didn't save it.
My advice is get it tuned on decent fuel and stick to it.
Martyn
My advice is get it tuned on decent fuel and stick to it.
Martyn
10 September 2011, 08:58 PM
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hey martyn, you were mentioned today in the discussion about my engine,
its remapped to run on v power but the problem is im from ireland and was home for 2-3 months and running Maxol "E5" which is meant to be 99 octane, so i presumed it would be ok, but because it is 5% ethanol it wasnt a good idea!!
this is why a syvecs was recommended to me as i cant get v-power in ireland!
its remapped to run on v power but the problem is im from ireland and was home for 2-3 months and running Maxol "E5" which is meant to be 99 octane, so i presumed it would be ok, but because it is 5% ethanol it wasnt a good idea!!
this is why a syvecs was recommended to me as i cant get v-power in ireland!
10 September 2011, 08:59 PM
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i aggree its overkill but becasue of when in ireland i cant get v power it may be the best option!!!! and the antilag is quite appealing to me too haha
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10 September 2011, 09:39 PM
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i have the regualr ecu ecutek'd i suppose the best idea wud be to use 95 ron, wud i lose much power tho. not sure about megarom or racerom, dont know what they are!!!
10 September 2011, 09:42 PM
#10
Megarom gives you per-gear boost control and two switchable maps. Racerom does other stuff but can't remember what 
Assuming your ecu supports it, I would think megarom would be the best compromise, allowing a 95RON and 99RON map. Would have thought your mapper would have suggested it, though, unless your ecu doesn't support it...
Assuming your ecu supports it, I would think megarom would be the best compromise, allowing a 95RON and 99RON map. Would have thought your mapper would have suggested it, though, unless your ecu doesn't support it...
11 September 2011, 10:51 AM
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The first thing you need to do is conclusively determine what caused the det in your old engine. Was it fuel or was it a duff sensor e.g. the MAF sensor. If it was the latter, guess what's going to happen to your rebuild?
The best way to avoid knock is to have the car mapped for the fuel that is available to you and invest in a knock detection device like a KS3 or knocklink to keep an eye on things. There's no need to spend 1k+ on a syvecs as Ecutek is very capable on the Hawks, you can have Racerom loaded which even gives you the option of going Mafless which illiminates one of the sensor culrprits for det!
Ns04
The best way to avoid knock is to have the car mapped for the fuel that is available to you and invest in a knock detection device like a KS3 or knocklink to keep an eye on things. There's no need to spend 1k+ on a syvecs as Ecutek is very capable on the Hawks, you can have Racerom loaded which even gives you the option of going Mafless which illiminates one of the sensor culrprits for det!
Ns04
11 September 2011, 11:26 AM
#15
WRX cook.........not sure you have enough room for two full maps on your DENSO ECU if it's a UK car. Andy might have mentioned a lower boost setting using the rear demist/full throttle combination. ?
Shaun
Shaun
11 September 2011, 01:00 PM
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> The earliest I could do it would be Tuesday the 30th at 12 midday if thats any use to you? > > I would recommend Ecutek custom mapping as used by Prodrive to map the RB5, WR1, RB320, 330S etc with that I can give you 2 maps, one for power and one for economy that you can switch between from inside the car. > The price for this is £450. I would estimate the power on that set up to be approx 330-340bhp (assuming it is an sti Turbo fitted)
11 September 2011, 01:02 PM
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> The earliest I could do it would be Tuesday the 30th at 12 midday if thats any use to you? > > I would recommend Ecutek custom mapping as used by Prodrive to map the RB5, WR1, RB320, 330S etc with that I can give you 2 maps, one for power and one for economy that you can switch between from inside the car. > The price for this is £450. I would estimate the power on that set up to be approx 330-340bhp (assuming it is an sti Turbo fitted)
11 September 2011, 07:15 PM
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The first thing you need to do is conclusively determine what caused the det in your old engine. Was it fuel or was it a duff sensor e.g. the MAF sensor. If it was the latter, guess what's going to happen to your rebuild?
The best way to avoid knock is to have the car mapped for the fuel that is available to you and invest in a knock detection device like a KS3 or knocklink to keep an eye on things. There's no need to spend 1k+ on a syvecs as Ecutek is very capable on the Hawks, you can have Racerom loaded which even gives you the option of going Mafless which illiminates one of the sensor culrprits for det!
Ns04
The best way to avoid knock is to have the car mapped for the fuel that is available to you and invest in a knock detection device like a KS3 or knocklink to keep an eye on things. There's no need to spend 1k+ on a syvecs as Ecutek is very capable on the Hawks, you can have Racerom loaded which even gives you the option of going Mafless which illiminates one of the sensor culrprits for det!
Ns04
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