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T4 TURBO KIT on ebay


absz

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Compressor Map attached (I believe this is the one)

 

 

According to my inputs this appears to fall above the surge line - perhaps someone could show me where the inputs are incorrect (as my eyesight is fading!)

 

 

 

Engine Air Flow / Compressor Sizing Calculations

 

Air Properties

Molecular weight 29.00

Z 1.00

k-1/k 0.288

 

Engine Data

engine rpm 6000 revs/min

displacement 183.1 cu inch

volumetric efficiency 90%

number of turbos 1

compressor efficiency 75%

 

Ambient Conditions

local baro pressure 29.92 in Hg 14.70 psia

ambient temp 65 deg F

 

Conditions at Compressor Inlet

Vacuum drawn at inlet 2.0 in Hg

Inlet Pressure 13.71 psia

Inlet density 0.071 lb/ft3

 

Conditions at Compressor Outlet

outlet pres 22.0 psig

outlet temp 294.2 deg F

P2/P1 2.68

outlet density 0.132 lb/ft3

 

Conditions at Intercooler Outlet

manifold pres 20.0 psig

manifold temp 120.0 deg F

manifold density 0.162 lb/ft3

IC pressure drop 2.0 psi

 

Results, mass and volume flows

compressor air flow 51.4 lb/min, ideal

compressor air flow 46.3 lb/min, actual

compressor air flow 349.9 gm/sec, actual

total engine air flow 349.9 gm/sec, actual

 

compressor air flow 655.0 ACFM, actual inlet

compressor air flow 351.8 ACFM, actual outlet

 

Data for use with curves

pressure correction 0.983

temperature correction 0.981

corrected suction flow 46.2 lb/min

Pressure ratio 2.68

 

Fuel Injector Sizing Calculations

 

Fuel Injectors

No. of injectors 6

Desired duty cycle 80%

A/F ratio 12.0 :1

fuel specific gravity 0.735

fuel required 3.86 lb/min

fuel required 37.8 gal/hr

Injector size req'd 48.2 lb/hr

 

engine hp potential 330.6 hp @ BSFC=0.7

engine hp potential 385.7 hp @ BSFC=0.6

engine hp potential 462.8 hp @ BSFC=0.5

 

Turbine Performance / Exhaust Pressure Calculations

 

Compressor Head and Horsepower req'd

polytropic factor 0.3840 (n-1)/n

head req'd 33,430 ft

horsepower req'd 62.5 hp required to drive compressor

 

Exhaust Properties

EGT 1484 deg F

exhaust MW 28.36

(k-1)/k 0.222

Exhaust flow 50.14 lb/min

% bypassed to WG 20.0% of total to wastegate

Flow thru turbine 40.11 lb/min

 

Turbine Power Recovery

isentropic efficiency 80%

mechanical efficiency 95%

hp delivered 62.5 hp

Pres. ratio req'd 1.99 inlet/outlet pressure

post turbine EGT 1263 deg F

 

Exhaust Pressures

TOP 3.5 psig, turbine outlet pressure

TIP 21.6 psig, turbine inlet pressure / exhaust backpressure

TIP/boost 0.98

 

Pipe Velocity Calculations

 

Velocities

Compressor Inlet Pipe 3.0 inch inside diameter

Inlet Pipe Velocity 222.4 ft/sec

Compressor Outlet Pipe 3.0 inch inside diameter

Outlet Pipe Velocity 119.4 ft/sec

IC Outlet Pipe 3.0 inch inside diameter

Up Pipe Velocity 97.1 ft/sec

t70.jpg

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Folks I need an opinion!

 

My plan was to go Powerhouse Racing Stage 2+ Turbo Kit (DBB). Now I have the misses compaining about the cost (for the set up of Powerhouse fuel setup stage 1, Greddy 3-Row Front Mount Intercooler Kit, Greddy E-Manage and the turbo kit I was looking at about £5800). If I went for this turbo and intercooler what difference would I see (with the fuel set up, emanage etc?). I wouldn't mind having an easier life my saving the extra money but I really don't want to loose too much power. :( :confused:

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The problem might well be with the huge lag that this might give you...some more input yet required - I will speak to them later

 

Why not wait and see what the results are and then make a decision?

 

They are not going anywhere with their record

 

Dont repent at leisure...

 

Patience my young Jedi...!

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Originally posted by GeordieSteve

Nice one mate I will do! This whole set up is the price I was gonna pay just for my FMIC.

 

Would the lag be that immense? Would there be anyway I could combat the lag slightly?

you could always buy a turbo later and sell the one that comes with the kit. look at all the parts must be worth a few quid on there own.
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Originally posted by MONKEYmark

he has got a good ebay rating

Well it's not all good : Negative/Neutral Feedback received by http://www.ssautochrome.com

(Might be slow to load but it give it time)

 

 

 

Edit to add:

I wonder what this kit is really like.

 

Will the manifold fracture in no time? What happens then?

 

Is the turbo any good? Who are "Master Power"? Have any of our guys who frequent SupraForums ever heard of Master Power? I wonder what the Yanks think of this company

 

Is this the same "XS" make of intercooler that MVP seem to hate so much?

 

What's up with that weird intercooler ducting in this picture?

 

And this picture from the same advert seems to of a completely different setup, doesn't it? Which are you getting?

 

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Originally posted by MONKEYmark

you could always buy a turbo later and sell the one that comes with the kit. look at all the parts must be worth a few quid on there own.

 

what other turbos will fit that flange? would a boost logic turbo,downpipe and midpipe fit?

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Loads of stuff on Supraforums

 

Just two from 10 -

 

http://www.supraforums.com/forum/showthread.php?s=&threadid=181901&perpage=25&highlight=autochrome&pagenumber=2

 

http://www.supraforums.com/forum/showthread.php?s=&threadid=197012&highlight=ss+autochrome

 

Basically I IMHO you pays for what you get - that turbo will be far too laggy for me - although the rest seems like a good deal

 

Loads of manifolds crack - and this is very heavy and will need a support accordinging to some (NB Make sure you install a flex section into the downpipe)

 

I think I will wait and see the outcome!

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Guest Terry S

wow, some sweeping statements there Paul!!!! I assume you have taken grade of tube, wall thickness, and design into that statement??

 

On the PHR 67DBB, I assume you mean a GT40 turbo? Also, have you got cams, ems etc, otherwise this is a wholly pointless excercise. Also the GT40 has to be matched really well with the comp wheel otherwise it will be laggier than our 67P and cost a world more money, not to mention the extra install if it is water cooled. Having said all that PHR do some really excellent stuff so you could do much worse!

 

A GT45 is a big laggy lump of turbo, what are the exact trims??.

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