mattyb Donating Members 1,097 Member For: 16y 5m 2d Gender: Male Location: Gold Coast, QLD Posted 16/02/10 09:58 PM Author Share Posted 16/02/10 09:58 PM Yeah, the Turbo Fuse is made by Go Fast Bits. $199.00 delivered on ebay. I'm thinking about it, but willwait till I see dave next as we might just fit an alarm for overboost. Link to comment Share on other sites More sharing options...
straughsberry Donating Members 1,846 Member For: 17y 2m 28d Gender: Male Location: Broady, Melbourne Posted 17/02/10 02:17 AM Share Posted 17/02/10 02:17 AM Look around mate. That's not the best price. And that guy on ebay has got a very average feedback score of 96.9%. Mod your car has it for 189.05 Link to comment Share on other sites More sharing options...
mattyb Donating Members 1,097 Member For: 16y 5m 2d Gender: Male Location: Gold Coast, QLD Posted 17/02/10 02:44 AM Author Share Posted 17/02/10 02:44 AM Sweet! Link to comment Share on other sites More sharing options...
bjc Donating Members 2,823 Member For: 21y 2m 12d Gender: Male Location: Townsville Posted 17/02/10 05:13 AM Share Posted 17/02/10 05:13 AM They obviously work though so that's the main thing. An overboost alarm wouldn't be the best for me matty as I think it would be to late by the time I heard it!I think the turbo fuse is cheap insurance for me but will look around for the best price. Link to comment Share on other sites More sharing options...
IH8TOADS Silver Donating Members 3,618 Member For: 19y 4m 8d Gender: Male Location: OZ Posted 17/02/10 06:02 AM Share Posted 17/02/10 06:02 AM Ahhhh well you see the ford engineers have already taken care of this! A more experienced tuner maybe able to clarify this but here goes.... from my experience with boost tuning the factory PCM has two overboost scalars, one that 'detects' overboost and one that will cause the PCM to enter "failure management effects mode (FMEM)"....commonly referred to as 'limp mode'. A good example of this is when you have a factory tune and you go and fit a big cat/dump pipe, you get it on boost and then the "wastegate boost failure management effects mode" is triggered. This system is only used when tuning boost in “closed loop” mode using the factory proportional-integral-derivative (PID) controller. You see the factory PCM has a duty cycle table that tells it how much to open the wastegate, from there it measures a level of error against another table called the ‘desired boost table’. The error factor is then referenced against another table called the ‘proportional gain multiplier’ table which it uses to determine how much the duty cycle table needs to be modified to achieve the desired level of boost!!So basically if the level of error exceeds that specified by the PCM’s ‘P1227’ level (Wastegate Failed Closed - Over Pressure) then the PCM will enter FMEM….and the engine is protected.But the problem is you really need to have a good mechanical boost control set-up in order to run closed loop, which is why a lot of tuners are forced to use the open loop method that sacrifices the over boost protection. It’s just unfortunate that the hose failed and I’m pretty sure this is how Simon (XFT) lunched one of his built engines in his BA F6 too. Just clamp it up good and proper and you shouldn’t have an issue. Link to comment Share on other sites More sharing options...
bjc Donating Members 2,823 Member For: 21y 2m 12d Gender: Male Location: Townsville Posted 17/02/10 06:39 AM Share Posted 17/02/10 06:39 AM that's why I think I will be getting one as the "shouldn't have an issue" can turn sour quickly and $200 is cheaper than $3000 to me.Thanks for the information though, it was very informative to me.Is there anyone that still tunes with closed loop apart from when using piggy back/interceptor style systems? Link to comment Share on other sites More sharing options...
IH8TOADS Silver Donating Members 3,618 Member For: 19y 4m 8d Gender: Male Location: OZ Posted 17/02/10 07:03 AM Share Posted 17/02/10 07:03 AM that's why I think I will be getting one as the "shouldn't have an issue" can turn sour quickly and $200 is cheaper than $3000 to me.Thanks for the information though, it was very informative to me.Is there anyone that still tunes with closed loop apart from when using piggy back/interceptor style systems?Not sure myself, but I suppose its just a matter of requesting it and making sure your mechanical boost control is suitable. I prefer closed loop myself as it's easier to tune on the street since you have more data available via the pcm to measure what the boost control is doing. If you're using a dyno then open loop is generally the preferred method by most. But yeah closed loop is good when street tuning....which isn't really safe, particuarly for those that tune for a living and do a lot of cars! Link to comment Share on other sites More sharing options...
RUS531 RUS531 Donating Members 410 Member For: 18y 2m 27d Gender: Male Location: Emerald QLD Posted 17/02/10 07:46 AM Share Posted 17/02/10 07:46 AM (edited) thanks for the info So for the people that still use the wastegate solenoid between the compressor housing and the waste gate, it is safe to say they run in closed loop mode and if one of the hoses were to fall off this problem that matty had had be avoided. I suppose the real question is, can the car be tuned with open loop mode with the use of the existing solenoid, or can you only use this mode (open) with a aftermarket boost controller?Sorry for the hijack matty Edited 17/02/10 07:48 AM by RUS531 Link to comment Share on other sites More sharing options...
RUS531 RUS531 Donating Members 410 Member For: 18y 2m 27d Gender: Male Location: Emerald QLD Posted 17/02/10 07:53 AM Share Posted 17/02/10 07:53 AM Yep, that's what the link says. Any feedback from anyone?The reason I asked is because the link took me to the product catalogue page instead of the turbo fuse page found under boost controllers. Also the link says "go fast bits" Link to comment Share on other sites More sharing options...
bjc Donating Members 2,823 Member For: 21y 2m 12d Gender: Male Location: Townsville Posted 17/02/10 08:06 AM Share Posted 17/02/10 08:06 AM (edited) The reason I asked is because the link took me to the product catalogue page instead of the turbo fuse page found under boost controllers. Also the link says "go fast bits"So it does, The link in my post that you click on says "go fast bits" but the actual webpage is- http://www.gofastbits.com.au/turbo-fuse. It seems the first time you click on this link it takes you to the screen that you mentioned then the next time it will take you to the proper link?Fugging cookies...Copy and paste the web page will be easier, otherwise click on boost controllers, Turbo FuseLink didn't work again because I had a full stop at the end which it included, FFS! Edited 17/02/10 08:16 AM by bjc Link to comment Share on other sites More sharing options...
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