Exhaust(turbine) Housings.

Discussion of technical issues and ideas (engine, chassis)

Moderators: P3g4sus, Daniel, rat, Draco, Riekert

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300sx
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Post by 300sx »

Does this narrow it down...obveously you want to tell me something...please do Nico, there is still plenty time for me to work out everything....and I will still come see you...I need all the info I can before buying...

yeah that does narrow it down to useable info, sorry man ek lees soos my gat.. my bad :wink:
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Draco
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Post by Draco »

300sx wrote:
Does this narrow it down...obveously you want to tell me something...please do Nico, there is still plenty time for me to work out everything....and I will still come see you...I need all the info I can before buying...

yeah that does narrow it down to useable info, sorry man ek lees soos my gat.. my bad :wink:
Ek het so gedink.... :D praat gou oor die "kuier".... ek hoop daar is spare ribs involved :D
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RB25SX
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Post by RB25SX »

I have a GT3071R on a BMW M42 (1800). Think its a .63 T3 exh housing. Full boost only at 4500rpm, but good power and torque up to 7500rpm. Good for race car, not so good for road car. :wink:
U would need a .48 size exh housing for street use.
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Draco
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Post by Draco »

RB25SX wrote:I have a GT3071R on a BMW M42 (1800). Think its a .63 T3 exh housing. Full boost only at 4500rpm, but good power and torque up to 7500rpm. Good for race car, not so good for road car. :wink:
U would need a .48 size exh housing for street use.
Thanks RB, may I ask what the bore and stroke is of the E42, also the flow cateristics because on the the T3 turbo I have now I have a .48 housing and boost is full only from around 4500 rpm....
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RB25SX
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Post by RB25SX »

The M42 head does flow very well, and i run 10:1 comp ratio. 215kw @ 0.8bar. Bore: 84mm.
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Draco
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Post by Draco »

RB25SX wrote:The M42 head does flow very well, and i run 10:1 comp ratio. 215kw @ 0.8bar. Bore: 84mm.
U see there the difference comes in, Comp ration on the Ca is 8.5:1, I have a toatal standard head, the .48 was already laggy and it was a T3 compressor housing...a T4 AR 60 will need more flow to spool before 4000 rpm?

What do you think??
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Gary57
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Post by Gary57 »

Derek you also have a low CR, sure it is 8:1...
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VeNoMiZeR
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Post by VeNoMiZeR »

hoekom try jy nie Hannes? seker hy kan vir jou n ordentlike turbo bou en n regte kombinasie :)
Current: 93 Pulsar SSS N14 Japspec (in Progress)
Ex:Nissan 300zx z32
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Daniel
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Post by Daniel »

er...not again. Hannes... :roll:

Dont do it Derek
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Draco
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Post by Draco »

VeNoMiZeR wrote:hoekom try jy nie Hannes? seker hy kan vir jou n ordentlike turbo bou en n regte kombinasie :)
I must agree with Daniel here, I know he is good and knows how to work out a monster combination, but when I contacted him he agreed to what I wanted but he did not seem to want to do the math or correct me to say thats not good this is better, he said I could come and change the exhaust housing if it spooled to late or what not....that is good but I just get the feeling I am insignificant and might end up buying the wrong thing for my engine...
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VeNoMiZeR
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Post by VeNoMiZeR »

weird coz he always helped me with the right stuff do's and dont's.
Current: 93 Pulsar SSS N14 Japspec (in Progress)
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Adrian
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Post by Adrian »

Any1 see the rx7 in the last max my ride. That's the car I told p3g4sus about long ago but he's running a gt42R t86 how would that work or something similar?
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Draco
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Post by Draco »

Way to big....the CA will never spool it....
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