View Full Version : t25 t28 difference
Could someone explain how to tell the two apart, is there any markings on the turbo, or extra blades.
This in particular.
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=390191039796&ssPageName=STRK:MEWAX:IT
For basic info you need to find out the compressor A/R number and M numbers, and for the exhaust housing you need to find out the A/R number aswell.
If they are able to tell you the inducer and exducer sizes that would be good but prob pushing it.
Exhaust side is different shape, you can only get 3 bolts out of 5 on the elbow before the down pipe, this may only be on mine though......:confused:
Andrew Cooke
05-05-2010, 13:13
you can see the part number so can investigate using that, but fundamentally a T28 compressor wheel will have a 60mm exducer.
Exhaust side is different shape, you can only get 3 bolts out of 5 on the elbow before the down pipe, this may only be on mine though......:confused:
I had this problem but was using a standard turbo elbow but when I got my big jim downpipe I was able to fit it correctly and stop it from blowing:D
Andrew Cooke
05-05-2010, 13:21
from the part number 14411-44F01 google can tell you it's a T25 with an 8 blade 58 trim 52mm compressor wheel
Thanks, its for my b18ft conversion, i have been told the nissan 200 is the one i need to buy, got out bid on a t28 just the other day.
phil
from memory there are 3 types of Nissan 200 S13 - T25, S14 - T28, S15 - T28 RB?
Not 100% sure if thats right but just making the point that they didn't all run T28's Adam might be able to confirm this.
That one in the picture is the 1.8 200sx turbo, a T25.
CA18det (1.8) ran T25
there's a few variations on the SR20DET as they were used in a few different cars
Pulsar has the largest of them all, running a unique T28 turbine wheel and the .86 housing on the back.
S14/14a ran the usual spec T28 with the commonly used T25 turbine wheel and the .64 housing
The S15 (which are imports only) ran the rollerbearing ''GT28'', however it's actually a GT2560, not a GT28.
RB's ran some unusual turbine wheels, they vary from model to model but the R33 GTR ran T series oddly sized T28's and the R34 ran rollerbearing versions. don't quote me on that though, seems to have slipped my mind..
That one in the picture is the 1.8 200sx turbo, a T25.
CA18det (1.8) ran T25
there's a few variations on the SR20DET as they were used in a few different cars
Pulsar has the largest of them all, running a unique T28 turbine wheel and the .86 housing on the back.
S14/14a ran the usual spec T28 with the commonly used T25 turbine wheel and the .64 housing
The S15 (which are imports only) ran the rollerbearing ''GT28'', however it's actually a GT2560, not a GT28.
RB's ran some unusual turbine wheels, they vary from model to model but the R33 GTR ran T series oddly sized T28's and the R34 ran rollerbearing versions. don't quote me on that though, seems to have slipped my mind..
are any of the above a good upgrade for a reanult 5 adam? whats there boost limits im guessing around 15-16psi? is there a lot of work involved to convert them over? im thinking more the t25 sized ones?
They've all got much too large exhaust housings to be honest, unless you've got something funky going on...
The rollerbearing would work a treat though, it did when I stuck one on Mart's old Raider. That's with reference to the above...
None of them are going to like high boost levels because they've probably come off a car that's been drifted or generally abused. Either way, I wouldn't run a stock turbo at much over 15 psi. It's not something that's going to blow up straight away but it's definatley not going to last the test of time.
An S14/14a T28 is what you want but with the Rover Tomcat exhaust housing, which is a direct swap. You could try it with the large .60 comp housing too, I never had problems.
The main problem would be sorting an actuator bracket.
Pete@Backyard Racing
05-05-2010, 22:44
so the t28 off my pulsar wont me much good on my 5 even with a 285 cam and nitrious?
Nitrous will help. They do use a large exhaust housing though, so it's hard for me to say, Pete.
Pete@Backyard Racing
05-05-2010, 22:51
if the turbo was tried and was 2 laggy 4 the r5gtt , cud u bolt on a smaller ex housing from anotha car to get it 2 spool faster?
No, unless it's been machined for it. The Pulsar is the only car that used the that turbine wheel apart from the small turbo Escort Cosworth and the turbine housing that uses might pose a bit of a problem for a 5.
Pete@Backyard Racing
05-05-2010, 22:56
hmm shame real,ly as this is the best condition 2nd hand turbo ive seen. mite keep it 4 a furture project, type r k20 turbo ;)
hmm shame real,ly as this is the best condition 2nd hand turbo ive seen. mite keep it 4 a furture project, type r k20 turbo ;)
Don't mention the K20 engine to me, please:D
The shoddy turbo conversions they have are unreal, even from a ''high profile'' company like GReddy.
It gets worse when you give good advice and it's never taken.
Rob@Backyardracing
05-05-2010, 23:03
I think Backyard Racing needs to go in to businiess then... :D
Pete@Backyard Racing
05-05-2010, 23:07
Don't mention the K20 engine to me, please:D
The shoddy turbo conversions they have are unreal, even from a ''high profile'' company like GReddy.
It gets worse when you give good advice and it's never taken.
the customers always right lol :laugh:
Rob@Backyardracing
05-05-2010, 23:10
the customers always right lol :laugh:
But we all get the second laugh... :p
But we all get the second laugh... :p
It's not so much the power output, more reliability. GReddy's kit actually have the oil drain going to the sump plug:scared:...
One particular car keeps coming back to us, some Redline feature turd.
Rob@Backyardracing
05-05-2010, 23:18
It's not so much the power output, more reliability. GReddy's kit actually have the oil drain going to the sump plug:scared:...
One particular car keeps coming back to us, some Redline feature turd.
WHAT!!! your kiddin me.... i like things like this... yay...
WHAT!!! your kiddin me.... i like things like this... yay...
No word of a lie. In the customers words it was a £2k kit (I thought that's a rip off:laugh:). They've spent £8k on it so far:crap:.
The oil physically can't drain off at that point so it blows it down the exhaust and out the inlet, and twice now, the engine has run intself dry. They've had the turbo rebuilt twice, Td04 and now they've brought me a GT2560 thinking it's going to fix the problem. I must have told them 4 times what the problem is, they just don't want to listen to you though:rolleyes:
Rob@Backyardracing
05-05-2010, 23:27
No word of a lie. In the customers words it was a £2k kit (I thought that's a rip off:laugh:). They've spent £8k on it so far:crap:.
The oil physically can't drain off at that point so it blows it down the exhaust and out the inlet, and twice now, the engine has run intself dry. They've had the turbo rebuilt twice, Td04 and now they've brought me a GT2560 thinking it's going to fix the problem. I must have told them 4 times what the problem is, they just don't want to listen to you though:rolleyes:
Arrr blow it, just keep taking the cash ;) with a smile...
Pete@Backyard Racing
05-05-2010, 23:31
GReddy's kit actually have the oil drain going to the sump plug:scared:...
awsome idea, not.:laugh:
You do know we've refused people before, on quite a few occasions, purely down to the fact they're idiots. We'll actually tell that to their faces too, in a more polite way. It's really not worth the hassle.
The main cause of all this grief is the ''tuner'' located in Reading doing all the work. They really don't have a clue.
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