Discussion
jontysafe said:
They couldn't adjust fuelling and the car is now booked into Norris Motorsport for a live map in April. Rather him than me though. He doesn't use a rolling road. Bu**er trying to map my car on the road. I know you're just logging parameters but still!
I have looked at the MSD iaw monitor and it does seem a good option and actually quite cheap.
Thanks for the info on the gauges and thermocouples. I'm off to google!
He has access to Peter's RR next door as far as I know if it is required.I have looked at the MSD iaw monitor and it does seem a good option and actually quite cheap.
Thanks for the info on the gauges and thermocouples. I'm off to google!
He has tons of experience with the Cossie platform though, so either way I'm sure it wont be a problem.
Max_Torque said:
For 500bhp, you're gonna be pushing something like 0.384kg/s air mass flow, so with a compressor efficiency of say 78% (typical) and a 15degC ambient, that's 158degC comp out temp, and 55.2kW of compressor work.
To get to a typical plenum temp of 50degC, that'll need 41.7Kw of intercooling work and an overall IC effectiveness of just over 75%
For our ambient cooling air, entering at 15degC and exiting the IC core, on average at say 75% of peak compressor out temp (118degC) giving a deltaT of 103degC, you would require a volumetric flow rate of ~2.8m3/sec.
However, a 35x32cm cooler matrix gives you frontal area of 0.112m2, which if we take approx 65% of that for flow area is 0.073m2. That means you need an average velocity through the entire core frontal area of 38.4m/s, which is 86mph.
On balance, that i think is pushing your luck a bit, as i haven't included any temperature gradient across the IC heat transfer boundaries, or the fact that in reality it's difficult to use the entire flow area evenly.
Which calculation method do you use Max? I've used the NTU method, results seem to match reality but are a little pessimistic.To get to a typical plenum temp of 50degC, that'll need 41.7Kw of intercooling work and an overall IC effectiveness of just over 75%
For our ambient cooling air, entering at 15degC and exiting the IC core, on average at say 75% of peak compressor out temp (118degC) giving a deltaT of 103degC, you would require a volumetric flow rate of ~2.8m3/sec.
However, a 35x32cm cooler matrix gives you frontal area of 0.112m2, which if we take approx 65% of that for flow area is 0.073m2. That means you need an average velocity through the entire core frontal area of 38.4m/s, which is 86mph.
On balance, that i think is pushing your luck a bit, as i haven't included any temperature gradient across the IC heat transfer boundaries, or the fact that in reality it's difficult to use the entire flow area evenly.
Hi, as promised, thermocouple part no from RS is 151-192.
Digital readout part no. is DTM 995B.
Go onto the Lascar website, click on " browse by category ", and it's near the bottom of the page on the left. If I was more intelligent, I'd have posted a link, but I'm pretty backward when it comes to doing stuff like that, sorry! Hope it's of some use to you.
Digital readout part no. is DTM 995B.
Go onto the Lascar website, click on " browse by category ", and it's near the bottom of the page on the left. If I was more intelligent, I'd have posted a link, but I'm pretty backward when it comes to doing stuff like that, sorry! Hope it's of some use to you.
ETS reputedly make very good intercoolers, I've just fitted one to my Evo, after reading great reviews, and it'll be getting a 2k mile high speed workout in the next two weeks. I'll be measuring the temps at two points, and have 3 other intercoolers temps and abilities logged on the same car using the same equipment over the years to compare it to. I taxed the car yesterday and ran it for the first time in 6 months, and the first time with the ETS fitted. I didn't drive it hard, as I'm getting rid of the old fuel by driving off boost, but the recovery rate from being heatsoaked in roadworks for a few minutes, to normal temp seems remarkable, so I'm hoping for great things from it, temps wise.
The intercooler I had on previously was an HDI GT, and it too was extremely good at controlling temps, with the added benefit that it was exceptionally light, and will work on high power applications. This is in comparison to a standard Evo 8 intercooler, which in itself is recognised as a very capable item, but won't support more than approx. 450 brake though.
The intercooler I had on previously was an HDI GT, and it too was extremely good at controlling temps, with the added benefit that it was exceptionally light, and will work on high power applications. This is in comparison to a standard Evo 8 intercooler, which in itself is recognised as a very capable item, but won't support more than approx. 450 brake though.
What ecu are you running?
Got the car back and it`s not making boost. I think it`s defaulted to actuator spring.
Does anyone know that if you remove power from an Apexi AVCR does it delete settings? I wouldn`t have thought it would? Anybody any good with these?
The more I think about it the more I think a custom made Garrett cored air to air intercooler and maybe a custom made double/triple pass rad makes sense.
I was meant to be seeing Peter at Spec R Thu arvo but it started peeing it down and a Westfield isn`t the most fun you can have in the rain, so off home it was.
Got the car back and it`s not making boost. I think it`s defaulted to actuator spring.
Does anyone know that if you remove power from an Apexi AVCR does it delete settings? I wouldn`t have thought it would? Anybody any good with these?
The more I think about it the more I think a custom made Garrett cored air to air intercooler and maybe a custom made double/triple pass rad makes sense.
I was meant to be seeing Peter at Spec R Thu arvo but it started peeing it down and a Westfield isn`t the most fun you can have in the rain, so off home it was.
jontysafe said:
What ecu are you running?
Got the car back and it`s not making boost. I think it`s defaulted to actuator spring.
Does anyone know that if you remove power from an Apexi AVCR does it delete settings? I wouldn`t have thought it would? Anybody any good with these?
The more I think about it the more I think a custom made Garrett cored air to air intercooler and maybe a custom made double/triple pass rad makes sense.
I was meant to be seeing Peter at Spec R Thu arvo but it started peeing it down and a Westfield isn`t the most fun you can have in the rain, so off home it was.
AVCR should retain settings, otherwise it would be a ballix everytime you turned the ignition off.Got the car back and it`s not making boost. I think it`s defaulted to actuator spring.
Does anyone know that if you remove power from an Apexi AVCR does it delete settings? I wouldn`t have thought it would? Anybody any good with these?
The more I think about it the more I think a custom made Garrett cored air to air intercooler and maybe a custom made double/triple pass rad makes sense.
I was meant to be seeing Peter at Spec R Thu arvo but it started peeing it down and a Westfield isn`t the most fun you can have in the rain, so off home it was.
Just take it to Spec R and let them build what they think best, air to air and keep it simple.
Gone through it today and all settings are still there, have checked solenoid is clicking on ignition, checked all hoses etc but am still only getting 8ish psi. Have checked dump valve for leaks but you can hear the turbo isn`t really spinning up hard.
Was thinking the actuator might be fubar`d, is there anyway I can check? It moves as it`s obviously moving at 8psi, what else can I check?
Was thinking the actuator might be fubar`d, is there anyway I can check? It moves as it`s obviously moving at 8psi, what else can I check?
I`m really beginning to despair of finding any quality of people locally to me and by that I mean within an hour or two.
1st specialist who rebuilt engine sent car back with ECU cable half unplugged leading to cutting out on left hand bends
Turbo oil drain facing upward, i.e, so it wouldn`t drain, que lots of oil smoke.
2nd specialist
Car was sent back with turbo hanger undone, took back and they bodged with a normal washer.
Exhaust leak from manifold
oil leak from turbo oil feed
Non Flouro lined silicon was used for an oil drain leading to a fire at the side of the road.
Car not making boost because after relocating turbo actuator the nipple is hard against bonnet sealing the silicon pipe vacuum feed, this has then fubar`d the map sensor.
Its not like I`m trying to do things on the cheap either the above has cost over £7K.
I`m so disappointed!!
Where are all the decent engineers?
1st specialist who rebuilt engine sent car back with ECU cable half unplugged leading to cutting out on left hand bends
Turbo oil drain facing upward, i.e, so it wouldn`t drain, que lots of oil smoke.
2nd specialist
Car was sent back with turbo hanger undone, took back and they bodged with a normal washer.
Exhaust leak from manifold
oil leak from turbo oil feed
Non Flouro lined silicon was used for an oil drain leading to a fire at the side of the road.
Car not making boost because after relocating turbo actuator the nipple is hard against bonnet sealing the silicon pipe vacuum feed, this has then fubar`d the map sensor.
Its not like I`m trying to do things on the cheap either the above has cost over £7K.
I`m so disappointed!!
Where are all the decent engineers?
Wiltshire.
I have had a bit of a deep and meaningful with my wife who has been incredibly understanding not because of the money but the sheer amount of time I have taken out with this.
I work away a lot and we've just had a newborn that arrived 7 weeks early with all the stress that entails.
I have come to the conclusion I'm going to Norris Motorsport for anything as he just seems to speak sense and knows cosworth yb running gear inside out and has worked on cosworth installations in kit cars before.
Just seems crazy that I have to travel 2.5 hrs every time!
I have had a bit of a deep and meaningful with my wife who has been incredibly understanding not because of the money but the sheer amount of time I have taken out with this.
I work away a lot and we've just had a newborn that arrived 7 weeks early with all the stress that entails.
I have come to the conclusion I'm going to Norris Motorsport for anything as he just seems to speak sense and knows cosworth yb running gear inside out and has worked on cosworth installations in kit cars before.
Just seems crazy that I have to travel 2.5 hrs every time!
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