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Project 300rwkw...

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fehlbie
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RE: Project 300rwkw... 2007/11/12 08:29:25 (permalink)
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The new turbo is making positive pressure at 2300rpm, 12psi by 4000rpm and 27psi by 5000rpm. That 4000-5000 range is quite a ride


I can imagine it would be one hell of a ride for that 1000rpm. That would be one massive power climb[:p]
#31
tybrown
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RE: Project 300rwkw... 2007/11/12 09:44:28 (permalink)
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impressive!!!!!
are you still running standard cams aswell phil???
#32
Phil
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RE: Project 300rwkw... 2007/11/12 09:45:28 (permalink)
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Originally posted by tybrown
[br]impressive!!!!!
are you still running standard cams aswell phil???



Stock cams
#33

Phil
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RE: Project 300rwkw... 2007/11/12 20:10:31 (permalink)
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It looks like the limitations of this tired old engine have been reached[:p] We made a consistent 260rwkw with alot more grunt through the mid range.The reason for the improved feel on the road was also discovered...boost is in 700rpm earlier,27psi at 4600rpm We fed the old girl 30psi with no gain in peak power...just bringing the power in around 1000-1500rpm earlier.This is a clue as to what needs to happen next in regards to developement
#34
KIZZA
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RE: Project 300rwkw... 2007/11/12 21:50:27 (permalink)
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Originally posted by Phil
[br]It looks like the limitations of this tired old engine have been reached[:p] We made a consistent 260rwkw with alot more grunt through the mid range.The reason for the improved feel on the road was also discovered...boost is in 700rpm earlier,27psi at 4600rpm We fed the old girl 30psi with no gain in peak power...just bringing the power in around 1000-1500rpm earlier.This is a clue as to what needs to happen next in regards to developement

still very impressive power phil. going to be crazy when the motor is rebuilt. keep up the good work mate
#35
Phil
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RE: Project 300rwkw... 2007/12/12 09:17:05 (permalink)
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Hi Kizza,it certainly isnt a disappointing result by any means The turbo has a lot left in it so we'll see what sort of gains the rebuild brings[:p]
#36

Mk2_2dr_2L
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RE: Project 300rwkw... 2007/12/12 11:24:33 (permalink)
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Nice one Phil, I didn't know that it was safe to run that sort of boost on pump fuel ? I suppose if the tune is good it is safe ?


Damion.
#37
Phil
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RE: Project 300rwkw... 2007/12/12 12:06:33 (permalink)
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The design of the combustion chamber plays a big part in what boost you can run with out detonation. Cosworth certainly got it right with these engines
#38
tybrown
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RE: Project 300rwkw... 2007/12/12 13:10:26 (permalink)
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Thats right!!!! cosworth engines are the business! i was running 36psi on pump fuel with a t4 turbo..!!!

remember its not a SR20 [:x)]

Phil. so with the "bigger" turbo you have less lag??

i reckon the gt30 is probably the best pick of the latest turbos for an engine thats been modded the old school way or is standard.

260kws at the wheels awesome! hopefully with a rebuild you will make the 300kw!

i hope my gt30r makes 450bhp to the wheels!! if im lucky!
#39
SCOOP
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RE: Project 300rwkw... 2007/12/12 18:31:24 (permalink)
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Great work Phil!!!![:0]

#40
SCOOP
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RE: Project 300rwkw... 2007/12/12 18:32:58 (permalink)
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CHEEKY,CHEEKY!![B)][:p][:x)][:x)][:x)
quote:
Originally posted by tybrown
[br]Thats right!!!! cosworth engines are the business! i was running 36psi on pump fuel with a t4 turbo..!!!

remember its not a SR20 [:x)]

Phil. so with the "bigger" turbo you have less lag??

i reckon the gt30 is probably the best pick of the latest turbos for an engine thats been modded the old school way or is standard.

260kws at the wheels awesome! hopefully with a rebuild you will make the 300kw!

i hope my gt30r makes 450bhp to the wheels!! if im lucky!
#41
simo
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RE: Project 300rwkw... 2007/12/12 19:25:50 (permalink)
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PINTO ALL THE WAY !!!
#42
nigel mk1
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RE: Project 300rwkw... 2007/12/12 23:13:27 (permalink)
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Simo, ive sent you an email. Phil, fantastic to hear that the gt30 made more power earlier. Are the cams holding back the power up top, and if so, will changing cams result in a shift in the power band upwards, meaning less power down low? Good luck with the rebuild!
#43
Robocos
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RE: Project 300rwkw... 2007/12/13 15:12:42 (permalink)
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quote:
Originally posted by tybrown
[br]Phil. i just fitted a gt30r to my rs500 integrale wastegate. i made 400bhp to the wheels on 29psi that was spiked then boost tapered off to 24psi. next run i will be hitting 36psi!!! on pump fuel

THAT was just replacing the standard t4 and fitting the turbo.
im waiting for my dyno tuner to get a program to re tune my webber pectal board ecu. i will let you know the result.

Good choice in turbo for a standard engine!!!! you will still have lag.. probably the same sort of lag a standard t03 engine gives!! which isnt bad considering the final power output!

Good luck with it! hopefully you can get the power desired easily!


What tuner do you use as I think you're Brisbane based?
#44
Juiceman
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RE: Project 300rwkw... 2007/12/13 16:45:31 (permalink)
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Last I heard he was using Mike Vine? Is that right Ty?
#45
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