BHP value for money

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Postby clee » Thu Mar 09, 2006 7:39 pm

David Gentleman wrote:
LiamMcShane wrote:
David Gentleman wrote:
..youll go faster if you fill your tank up with petrol if you have none...
:lol:


But you'll go faster if there's not as much fuel!!! :lol:


Up to a point... :lol:

Back to cooling, venting the engine bay area through opening the glass is ideal once the car has warmed up. I used to have the glass too hot to touch when it was closed off, and the saturation on the cold side of the intercooler can either trigger the air temp sensor to do strange things. Off boost throttle response suffers too... :(



C'mon Dave ,admit it :lol: Best value mod ever 8)
I have put the probes in the pipes but not had chance to test yet .I think the hot side will go off scale but hopefully the throttle end will be below 70 :shock:
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Postby simontaylor » Thu Mar 09, 2006 8:04 pm

You won't have the last word with a statement like that ???
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Postby clee » Thu Mar 09, 2006 8:07 pm

Yes I will :!:
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Postby David Gentleman » Thu Mar 09, 2006 8:25 pm

clee wrote:
David Gentleman wrote:
LiamMcShane wrote:
David Gentleman wrote:
..youll go faster if you fill your tank up with petrol if you have none...
:lol:


But you'll go faster if there's not as much fuel!!! :lol:


Up to a point... :lol:

Back to cooling, venting the engine bay area through opening the glass is ideal once the car has warmed up. I used to have the glass too hot to touch when it was closed off, and the saturation on the cold side of the intercooler can either trigger the air temp sensor to do strange things. Off boost throttle response suffers too... :(



C'mon Dave ,admit it :lol: Best value mod ever 8)
I have put the probes in the pipes but not had chance to test yet .I think the hot side will go off scale but hopefully the throttle end will be below 70 :shock:


No, cooling the engine bay will hardly affect the charge temps when driving...

Only stop saturation when standing still..

If it worked the way you think, you could drive a turbo car, then take the bonnet off, and it would then go faster (not because of the weight :lol:)

70 degrees is not low enough, we need around 30's. I was hitting 40-50 with my modified intercooler chamber (same as PeteG runs)
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Postby David Gentleman » Thu Mar 09, 2006 8:31 pm

For some accurate data, if you drive a GTA around as normal, and then let the car sit for a while and all the engine bay temps heat up, with my diagnostic plugged in (true ecu reading) the air temp sensor normally picks up around 45-50 ambient air temp in the throttle, never goes any higher..

I have freeze sprayed the V6 pipe in the past, it does not change the ecu reading, as the sensor is mounted into the throttle body, and this reading when hot is what richens up the mixture and retards the timing..
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Postby clee » Thu Mar 09, 2006 8:37 pm

If the outside of the pipe is reading lower then the inside is lower or the heat is only being transfered one way :shock: My point is ,opening the rear glass reduces the engine temps and therefore the charge temps .
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Postby gt5 » Thu Mar 09, 2006 8:41 pm

i have seen a lot of turbocharged cars run without bonnets down the strip at elvington/bruntingthorpe :lol:
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Postby gt5 » Thu Mar 09, 2006 8:46 pm

[quote=

I have freeze sprayed the V6 pipe in the past, it does not change the ecu reading, as the sensor is mounted into the throttle body, and this reading when hot is what richens up the mixture and retards the timing..[/quote]

i would of thought that would of helped because cry02 do a kit which has a bulb(freezing cold) that sits inside your boost pipe and that reduces temps
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Postby clee » Thu Mar 09, 2006 8:47 pm

Running a GTA with no bonnet :idea: Top work Steve :lol:
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Postby David Gentleman » Thu Mar 09, 2006 8:52 pm

clee wrote:If the outside of the pipe is reading lower then the inside is lower or the heat is only being transfered one way :shock: My point is ,opening the rear glass reduces the engine temps and therefore the charge temps .


.but only by a degree or two...

Just stick the probes in and test it.. :wink:

Those pipes are not like finned heatsinks, that don't absorb and lose heat that quickly. It takes a while for them to warm up and likewise to cool down, and no matter what you do to cool them isnt going to happen when there is over 200/50 degrees of heated boost going through them...

..but venting the engine bay is very good for reducing the saturation..
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Postby David Gentleman » Thu Mar 09, 2006 8:54 pm

gt5 wrote:i have seen a lot of turbocharged cars run without bonnets down the strip at elvington/bruntingthorpe :lol:


Yes, normally to stop the saturation as they sit queuing to line up...
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Postby David Gentleman » Thu Mar 09, 2006 8:55 pm

gt5 wrote:
i would of thought that would of helped because cry02 do a kit which has a bulb(freezing cold) that sits inside your boost pipe and that reduces temps


quote.. ' inside' :lol:
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Postby clee » Thu Mar 09, 2006 8:57 pm

Right-so ,2 degrees is still £20 per BHP ( but I shall prove it's more :lol: )
So neh.neh nenah neh :!:
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Postby David Gentleman » Thu Mar 09, 2006 9:07 pm

clee wrote:Right-so ,2 degrees is still £20 per BHP ( but I shall prove it's more :lol: )
So neh.neh nenah neh :!:


We'll see who has the last laugh..... :lol:
























hee hee..
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Postby clee » Thu Mar 09, 2006 9:22 pm

Face :!: bovered :?:
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