hey guys im lookin at a turbo its a garrett gt4202r
Compressor Specs:
-Inducer = 74.3mm
-Exducer = 102.3mm
-Trim = 53
-AR = 0.60
Turbine Specs:
-Wheel dia = 82mm
-Trim = 84
-R = 1.05
just wondering does anyone have one of these, and what kind of spool up time and suitable mods ie injectors
my engine is street ported and have 4x850s. was lookin to go time attack
all opinions valued
You wouldnt need GT4202R turbo for that setup..
That is a huge turbo, and will need big injectors to make full power..
And some huge porting work.
well the porting i cant change but injector setup is easliy changed like 1640 secondaries with a supra fuel pump and fpr, im lookin for 550 at flywheel or there abouts
Im going to run that turbo, with the same exhaust housing 1.05.
And I have a PP engine and 6 1680cc injectors...:yes
So if I where u I would run some thing like the Garrett T04Z.
Senb Jan Tore a message, he who are building the 4 rotor.
He used that turbo on his car last year running Time attack here in Norway.
well the main aspect is time attack suitability for spooling and acceleration, what about apexi rx8, gt35r. what is the hks t51r kai like??
Quote from: colin777;601372well the main aspect is time attack suitability for spooling and acceleration, what about apexi rx8, gt35r. what is the hks t51r kai like??
gt35r would be good to..
The hks t51r would be to big again, that is more like the GT42 turbo only more expensive..
I dont know anything about the apexi turbos.
Do u have any in UK that can rebuild the hks or apexi turbos?
We don`t here in Norway, so it`s very expensive to get the rebuildt.
not sure, maybe dragon or reworx do. wgt also
think i might keep an eye out for a gt35r or a to4z
whats the top horses i can epect with a street port with 2x850s and 2x1680s at 1.2bars??
Garrett T60-1 (aka T04S) rated good for upto 500-550hp fly... good spool up and excellent mid to top end power, ideal for track use..... I\'m selling the complete kit here http://www.mazdarotaryclub.com/forums/showthread.php?t=56543 :wiggle
At 1.2 bar on the T60-1 I was just shy of 500hp on a mild streetport :D
whta kind of fuel set up was that kash, and who mapped
Setup was mild streetport, 550cc primaries, 1600cc secondaries, aeromotive fpr... mapped by Jaydee who can vouch for how good the car moves :D
whats the difference between to4z and s
tbh the GT42 will be too big for your setup and too laggy
t04z has a slighty bigger wheel then the t04s.... but both good for 500+ hp... t04z are £££\'s!
cool will definetly have a think about it, email ur best price posted to rep of ireland
colinwilson777@gmail.com
cool... will get a price on postage and send you an email :)
Did u get a price for the GT4202R turbo?
im in australia at the moment and the guy is lookin for 2100 aus dollars brand new
Quote from: Kash_;601389t04z has a slighty bigger wheel then the t04s.... but both good for 500+ hp... t04z are £££\'s!
Been in a similar boat myself buddy. I managed to bring my selections down to a T04z and GT35r. In an ideal world a GT35r would have been my choice but managed to find a good secondhand T04z for sensible money so couldnt say no.
T04z is also roller bearing and water cooled which im not sure the T04s is, so spool up should be quicker on the Z.
the T60-1 is also water cooled :)
Quote from: Kash_;601677the T60-1 is also water cooled :)
Sorry buddy, i was meaning the T04s, im suprised someone hasnt your arm of with that kit, quality price.
GT40R?? (GT4088r) maybe?
Quote from: jetpilot;601686Sorry buddy, i was meaning the T04s, im suprised someone hasnt your arm of with that kit, quality price.
I know dude, I’ve had a lot of interest but no one’s committed.. I think the price is reasonable for a full kit considering the exchange rate but seems everyone wants too much of a bargain lol
Quote from: colin777;601642im in australia at the moment and the guy is lookin for 2100 aus dollars brand new
That was cheap..:)
I run GT42r on mine. But mine is a totally different set up to what your looking at.
I run half bridge, 4 x 1000cc injectors, 044 external pump and RE uim.
Dont even bother with a GT42 unless you have half or full bridge. I get boost from 4k and full boost by 5.5k ish as i run a 1.28 rear housing so its the big one. If you want to go for a GT42 then get a 1.01 rear housing as this will reduce lag but then your egt\'s will go up and up. Saying that im only running 1.2 bar. The GT42 is worth it when your running 1.6 bar plus really to get the most out of it. Darren at Whifbitx was using GT42 on his but 2 bar of boost and it used to fly once in full boost and that was with a 1.01 rear housing
Quote from: AshRX;601714I run GT42r on mine. But mine is a totally different set up to what your looking at.
I run half bridge, 4 x 1000cc injectors, 044 external pump and RE uim.
Dont even bother with a GT42 unless you have half or full bridge. I get boost from 4k and full boost by 5.5k ish as i run a 1.28 rear housing so its the big one. If you want to go for a GT42 then get a 1.01 rear housing as this will reduce lag but then your egt\'s will go up and up. Saying that im only running 1.2 bar. The GT42 is worth it when your running 1.6 bar plus really to get the most out of it. Darren at Whifbitx was using GT42 on his but 2 bar of boost and it used to fly once in full boost and that was with a 1.01 rear housing
Why the big exhaust housing?
Have u ever messured the back pressure?
That will be changed shortly to a 1.01 ( they only had 1.28 in stock ) plus a nice little shot nos is going in soon.
Lag? What lag lol
Quote from: AshRX;601724That will be changed shortly to a 1.01 ( they only had 1.28 in stock ) plus a nice little shot nos is going in soon.
Lag? What lag lol
I wont belive u have lag with a 1.28 housing.. :p
But u should messure the back pressure when u change the housing..:yes
If u run 1.2bar pressure, than back pressure shold also be around 1.2bar..
If it is, then u have the right housing..:Thumbsup!
just a weird turbo, you really need to be in mid rev range for it to be in boost, but when it hits full boost there aint a lot that will beat you, but the problem is catch up as the smaller turbo cars can get away quicker as they are hitting full boost a lot sooner than I am
Quote from: AshRX;601729just a weird turbo, you really need to be in mid rev range for it to be in boost, but when it hits full boost there aint a lot that will beat you, but the problem is catch up as the smaller turbo cars can get away quicker as they are hitting full boost a lot sooner than I am
That is because of your big exhaust housing..
U will need much more exhaust to spool up the turbine..
If u get a smaller housing it will spool up much faster, because the exhaust will runn the turbine and not just pass it..:Thumbs-up
I read a post on rx7club forum, that you should tune the car on egt when not on boost..
Then u get more torqu..:yes
New rear housing will be ordered soon. Yeah i do get low egts on full boost
just wondeing what peoples opinion on what turbo best suits a street ported engine
if possible flywhheel horse and spec on each turbo that people experienced
Quote from: colin777;602338just wondeing what peoples opinion on what turbo best suits a street ported engine
if possible flywhheel horse and spec on each turbo that people experienced
In my opinion if you are looking at 550 fwhp you going to need something big and porting beyond a street port, so guess you are really limiting you options with that expectation.
It really comes down to how you want the car to drive. Do you want it making huge power but only boosting from high up the rev range, good for drag strips or something that boosts from low down thats very driveable but still makes good figures and also how much boost you are prepared to run, as im sure you know, many tuners dont like going over a bar without water injection etc
Have a read of the dyno chart and see what people have achieved on what ports compared to what turbos. But in all honesty i think it comes down to what you want from the car in terms of driving experience and performance.
I have just gone from a T78 as really didnt really want something only making full boost after 4k, admittedly they are an older turbo and hopefully with the T04z being roller bearing but still a good size should see similar hp figures but boosting earlier.
well im definetly going to use water injection as was lookin to go 1.2bar. ya the to4z sounds good, im lookin for that good balance for track, not too pushed about drag racing. think im going to go for a to4z or similar. if after a couple years i need a rebuild then maybe bigger ports
go for GT4094 or similar, my opinion a better turbo and a lot cheaper. There are a few of the boys on here using that and they get full boost under 4k and get no real lag.
If you get a HKS one your only paying for the name
Quote from: AshRX;602473go for GT4094 or similar, my opinion a better turbo and a lot cheaper. There are a few of the boys on here using that and they get full boost under 4k and get no real lag.
If you get a HKS one your only paying for the name
Then buy a garrett t04z which is pretty much the same by all accounts. :Giggle
To be fair only joking, GT4094 a very good turbo too, just had no personal experience with.
what kind of power is the gt4094 capable of on a strret port at 1.2bar
450bhp ish
can be run more up to 1.4 with water injection on nice streetport
If you want the best of both worlds i would get a MP T64...1.00 A/R split rear housing..GTQ Turbine Wheel....ported front compressor housing...trust me you cant go wrong!!!!
I supplied one to someone on FDUK...and on here......he gets 479BHP at a bar and full boost by 4200......if thats too late for ya i can supply it with a P trim rear wheel which will spool quicker but make about 30-40 hp less.
ya that sounds good mate, let me know price and a few pics
colinwilson777@gmail.com
£650 delivered (mainland UK)...i\'ll try and find some pics
sorry its not too cearbut its the only one i could find on my pc ATM
why so cheap, is it not garrett quality, and will it last long over a bar, also is oil and water cooled and ball bearing??
Quote from: colin777;602742why so cheap, is it not garrett quality, and will it last long over a bar, also is oil and water cooled and ball bearing??
LOL....you can pay more if you want!!!!!.....i just do good pricing thats all!
These are quality turbos....and can be rebuilt using garrett parts.....(i need to confirm but i think they use garrett centre cartridges..) Built under ISO 9000 guidelines in brazil.
Its a large frame turbo that is actually designed for 1.5 bar and higher......I have supplied a few to guys on here...and they have them over 1 bar and have had no problems whatsoever....i used to run mine at 1.4 bar
These turbos are very popular with the Mustang and Supra guys.:mmmm
sounds good, so the cooling?? oil/water??
when running 1.4 do i need to change any senors?
do also supply mani, downpipe, wastegate/screamer also if possible more pivtures and dyno sheet
Sorry bud cooling.. is oil
YOU may want to change your map sensor if running 1.4 bar as the std sensor only reads up to 1.2
Currently i only supply the turbo...the other stuff you can get pretty cheap on EBAY
last question
ball bearing???
and just email me pics when ya can.
cheers
email sent
which would be the best turbine housing to get a to4z ruebo in for my applications,
1.00
1.15
1.32
Alright Col hows Eric?
the 1.15 prob best , but what do i know lol
hes gettin on good, im not in ireland anymore. in brisbane now for a while, might ship my car over if i get a good job and settle in
1.15 is good for what reason, im trying to understand everything before i buy.
Id say you\'d make your target power easier with this tub but you must have some porting done regardless.
the porting is as important as the turbo for 550 at the wheels.
but the 1.10 and the 1.15 would get you there but the porting would be as important a factor as the tub hotside size.
Im no expert tho Col. Plenty of reading to be done
the turbo im lookin at in oz is a to4z type
A/R .70 compressor housing
88/66mm comp. wheel
360deg race thrust
TRIM EXHAUST WHEEL
TWIN PULSE TURBINE HOUSING
CHOICE OF
1.00 , 1.15 , 1.32 TURBINE HOUSING
V-BAND FITTED TO REAR HOUSING
just wondering what the experts think ???:god
was onto my mechanic and he recons to go for 1.00
so im open to opinions
Colin if you looking for 550 flywheel a 1.00 on a T04z wont get you there even on a streetport.
You need the 1.15 AR, I should know I had a T04Z and a streetport I attained 550 fly at just over 1.3-1.4 BAR .
I know someone who had the 1.00 AR T04Z and he was forced to change to a 1.15 as it was restricting his power at low boost
great info blitzboy, yhanks for that, is the rest of spec the turbo similar to yours if ya remember, was your ball bearing? or bush bearing??
yes same spec , probably the same people who make it as i bought it from an Oz company as well.
It has to be ball bearing to be a T04Z, great spool up, the Japs love it for Circuit racing
if ya can remember name that would be god and i will look into to them here, im in brisbane at the moment
It was http://www.horsepowerinabox.com/
http://www.horsepowerinabox.com/HPIAB2/prod382.htm
ah yea waitng on a reponse from them boys, i eamiled them yesterday,
cheeers dude