382.8bhp from a VF35 :)
13 October 2010, 04:43 PM
#421
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Fair one Tony, for you I have great respect but I refer to my earlier post. No matter what is said or posted by way of evidence, some will never believe Iain's turbo makes what he claims. Too much reputation is at stake. If Iain were making a business out of this then could understand the emotion but he is not.
do you think my spool figures look good for a vf28 for the setup?
13 October 2010, 04:45 PM
#424
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Fair one Tony, for you I have great respect but I refer to my earlier post. No matter what is said or posted by way of evidence, some will never believe Iain's turbo makes what he claims. Too much reputation is at stake. If Iain were making a business out of this then could understand the emotion but he is not.
13 October 2010, 04:54 PM
#430
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the power loss through heat is massive, i can't rememebr what the exact figures are though
13 October 2010, 04:58 PM
#431
Through heat at the point of entry to the intake manifold, yes I agree. But surely his high intakes will be considerably different by the time they've passed through the intercooler, especially as the ambient temps are less than half of his intake temps?
I can understand if it was a 40C day and he had 45C intake temps, then the charge doesn't stand chance of being less than 45C, but as his ITs are 40C and the AT is ~17C then surely his actual temps have a better chance of them being reduced?
I can understand if it was a 40C day and he had 45C intake temps, then the charge doesn't stand chance of being less than 45C, but as his ITs are 40C and the AT is ~17C then surely his actual temps have a better chance of them being reduced?
13 October 2010, 05:07 PM
#432
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the basic premis is that the higher the IT the larger the increase in lost power, RR work out the figure based on the figures measured, then to give a results thats common across the board equation based on a standard air temp.
if the standard temp was say 20 degrees, and you say the air is coming in at 50 degrees then you increase the resulting figure to take into acount that extra 30 degrees. to give across the board result.
its no where near as simple as that in reality equation wise, but thats the general gist
if the standard temp was say 20 degrees, and you say the air is coming in at 50 degrees then you increase the resulting figure to take into acount that extra 30 degrees. to give across the board result.
its no where near as simple as that in reality equation wise, but thats the general gist
13 October 2010, 05:23 PM
#433
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I really cant believe how far Wak is up Big D's ****! He could be told the VF35 just hit 600bhp and he would believe it!
Wak's knowledge is obviously set at zero seeing as he's driving around and hitting boost in an unmapped car.
Wak's knowledge is obviously set at zero seeing as he's driving around and hitting boost in an unmapped car.
13 October 2010, 05:27 PM
#434
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13 October 2010, 05:33 PM
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13 October 2010, 05:39 PM
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Hang on mate, i too am waiting for Big 'D' to post his results, not because i don't believe him but because he deerves them. he's been personally attacked on here when the most he could be accused of is over enthusiasm (but with a 382 result from a VF35 who wouldn't be). He never made it personal (read his posts) he was ready to accept he could have it wrong and even this morning he was holding out the olive branch when harvey was firing a 12 bore at him. We've all had a bit of fun with this but i wouldn't fancy going toe to toe on a technical issue with harvey, even if i knew i was right! Big 'D' stood his ground and fought his corner with alot of dignity. credit where credit is due.
13 October 2010, 05:42 PM
#439
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But Iain didnt understand that the AT and IT would make the original figure incorrect, that was what Harvey was trying to say (again and again), he also asked Iain to chat with Len at S4U, did he? he didnt come back on that.
We needed all the facts and didnt really get them
sure it a credit if Iain has 360bhp out of a VF35 
but if he doesnt understand that the original correction needed or has not spoken to see that there is need for correction on said given figures.....
Tony
We needed all the facts and didnt really get them
sure it a credit if Iain has 360bhp out of a VF35 but if he doesnt understand that the original correction needed or has not spoken to see that there is need for correction on said given figures.....Tony
13 October 2010, 05:45 PM
#442
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Ok here are the facts make of them what you will.
The RR used was Subaru4U
The operator was Len
The AT today in the Cell was 16 deg
The IT taken from the airfilter itself (as it was last week) was 33 deg, we managed to reduce the temp down from 40+ deg by removing the rubber weather strip above the driver side light, the temp sensor works and was tested away from the heat of the engine bay.
It was clear thar my intake heatshield was rubbish from the go, with the engine running from the start without the dyno fan on the IT was as it should be but on any input from the accelerator the engine was drawing hot air straight out of the engine bay straight into the filter area, with the dyno fan on the effects were much more apparent the temp shot up to 33 deg and beyond at some points.
The Apexi was set at the same boost duty etc.
It made 382.9bhp and slightly less torque than last time.
The boost did spike up to just under 1.5 bar but I put that down to the lower intake temps.
Make of it what you will I await the barrage of replies.
I am convinced that it is what it is or very close to it.
Cheers Iain
The RR used was Subaru4U
The operator was Len
The AT today in the Cell was 16 deg
The IT taken from the airfilter itself (as it was last week) was 33 deg, we managed to reduce the temp down from 40+ deg by removing the rubber weather strip above the driver side light, the temp sensor works and was tested away from the heat of the engine bay.
It was clear thar my intake heatshield was rubbish from the go, with the engine running from the start without the dyno fan on the IT was as it should be but on any input from the accelerator the engine was drawing hot air straight out of the engine bay straight into the filter area, with the dyno fan on the effects were much more apparent the temp shot up to 33 deg and beyond at some points.
The Apexi was set at the same boost duty etc.
It made 382.9bhp and slightly less torque than last time.
The boost did spike up to just under 1.5 bar but I put that down to the lower intake temps.
Make of it what you will I await the barrage of replies.
I am convinced that it is what it is or very close to it.
Cheers Iain
13 October 2010, 05:46 PM
#444
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yes i don't have much knowledge at all on this matter. As i stated i am not driving my car on boost.
My name isn't Wak either if u can't read Tail slider.
13 October 2010, 05:47 PM
#445
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Hang on mate, i too am waiting for Big 'D' to post his results, not because i don't believe him but because he deerves them. he's been personally attacked on here when the most he could be accused of is over enthusiasm (but with a 382 result from a VF35 who wouldn't be). He never made it personal (read his posts) he was ready to accept he could have it wrong and even this morning he was holding out the olive branch when harvey was firing a 12 bore at him. We've all had a bit of fun with this but i wouldn't fancy going toe to toe on a technical issue with harvey, even if i knew i was right! Big 'D' stood his ground and fought his corner with alot of dignity. credit where credit is due.
13 October 2010, 05:51 PM
#446
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I have not question haveys knowledge at all. I have ask him a simple question of what he would think if Big D'd car comes back with the same power yet the It and AT has been adjusted and still got 382.8bhp.
13 October 2010, 05:53 PM
#447
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A quote from earlier in the thread.
"If your IT was a genuine 42 degrees and you reduced it to 17 degrees then you have a genuine 405 bhp VF 35 equipped car if your turbo is a VF35"
Well my intake temp is genuinely high?
Cheers Iain
"If your IT was a genuine 42 degrees and you reduced it to 17 degrees then you have a genuine 405 bhp VF 35 equipped car if your turbo is a VF35"
Well my intake temp is genuinely high?
Cheers Iain
13 October 2010, 05:57 PM
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Tony
13 October 2010, 06:00 PM
#450
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Cheers Iain