F%ck. My GT28RS just died

**DanS14** · 02-05-2007, 22:15

P!ssed off.

Just sorted the radio interference I had, car was all back together. Went to go and meet a friend, on the way car was running fine, then suddenly no boost whatsoever. Slowed right down and wound down the window and I could hear the turbo was fecked.

Spinning scraping sound. Switched off engine and as the turbo span to a stop you could hear it grating.

Just as the car was getting ready for Japfest, Silverstone and Le Mans

Turbo is only 2 years old and had about 20-25,000 miles on it.

**SteA** · 02-05-2007, 22:53

Originally Posted by DanS14

P!ssed off.

Just sorted the radio interference I had, car was all back together. Went to go and meet a friend, on the way car was running fine, then suddenly no boost whatsoever. Slowed right down and wound down the window and I could hear the turbo was fecked.

Spinning scraping sound. Switched off engine and as the turbo span to a stop you could hear it grating.

Just as the car was getting ready for Japfest, Silverstone and Le Mans

Turbo is only 2 years old and had about 20-25,000 miles on it.

Gutted for you

My GT28RS didnt even last that long though. About 18,000 at the very most and it was totally beyond repair, I think we run them on their ragged edge.....

**Matt_S** · 02-05-2007, 22:56

What boost are you boys running?

jacks300zx · 02-05-2007, 22:59

yeah, good question? 28rs can handle a fair bit

**turboshed** · 02-05-2007, 23:03

my 0.86 went a little while back, only had just over 5k on it (most done before i bought the car) was running 1.3 - 1.4 bar

**SteA** · 02-05-2007, 23:10

Originally Posted by Matt_S

What boost are you boys running?

1.3 bar initially that used to drop off fairly quickly to the redline

**DanS14** · 02-05-2007, 23:26

I ran 1.3 all the way, but I had it set on 1.2ish for the last few weeks.

Didn't know that other people's had died too. Guess that's why you went for the upgrade Steve.
Don't want to lose the mid range thump by going too large, but wouldn't mind having a bit more top end buzz.

**SteA** · 02-05-2007, 23:32

Originally Posted by DanS14

I ran 1.3 all the way, but I had it set on 1.2ish for the last few weeks.

Didn't know that other people's had died too. Guess that's why you went for the upgrade Steve.
Don't want to lose the mid range thump by going too large, but wouldn't mind having a bit more top end buzz.

2871 will suit you just fine

Even my wife, who actually went to sleep on track at donington (including braking from about 140, and only woke when we went through the chicane and her head went clunk clunk thud

) now admits that the mid range thump can sometimes "get a bit too much"

**DanS14** · 02-05-2007, 23:41

Have you ever tried a 2871 without the poncams? Wondering if they are a bit more a necessity with this size turbo to keep some low rev range usability?

**Fake Ben Taylor** · 02-05-2007, 23:45

i dont think scottie has cams, ask him what its like low down

cant believe the amount of people thats had 28rs' die - it makes me cringe to think how much mine is straining

**Papa Lazarou** · 02-05-2007, 23:57

I just wonder what is killing them. Overspin or something else.

**turboshed** · 02-05-2007, 23:57

i had a 0.64 2871r fitted to replace my blown 28rs along with an apex turbo elbow and exhaust manifold, pulls very strong low down

**DanS14** · 03-05-2007, 00:14

Originally Posted by Papa Lazarou

I just wonder what is killing them. Overspin or something else.

Me too. Strange that a standard T28 can last 100k at 1-1.2bar, but these are expiring in a far shorter time at just 1.3bar.

Wonder what the traders have in stock. Perhaps a 2871r plus some poncams.
This weekend could be very busy AND EXPENSIVE!!!!!!!!!!!

**Yak** · 03-05-2007, 00:15

D'oh

I wander how much it would cost to get these failure investigated to see what is causing them

**justbutts** · 03-05-2007, 06:11

hi dan

sorry to here your turbo has just died

i had mine mapped with jez for the stage3a chip when we were developing the chip and you came down that afternoon and meet me there

Gt2871r .52 trim .64 a/r when we compared the results (check jez site)

car with totaly standard internals, car very useable round town and once full boost kicks in at 4k all hell breaks lose

**Richy_Boy** · 03-05-2007, 08:19

that's bad news... no wonder why when they repair the GT28RS they refuse to guarantee the work and call the turbo a 'race spec' unit

Sounds to me like the bearing are underspecc'ed for the turbo or something, which let go and allow the shaft to move too much - cause blade damage.

2871r is it for me when mine goes

Rich

**Jeremy 200** · 03-05-2007, 08:31

I'm on my 3rd GT2871R and this one has now developed excessive play after only 11 months and 5k miles

**SteA** · 03-05-2007, 08:36

Originally Posted by Yak

D'oh

I wander how much it would cost to get these failure investigated to see what is causing them

Bren did send mine off to the Garrett dealer, they said it looked like it had had "a very hard life" with possible "momentary oil starvation at some point".

jacks300zx · 03-05-2007, 08:39

i ran 1.3 bar for about 5k, held out fine but i guess its all down to chance

**Cloudy** · 03-05-2007, 08:47

As I said last night it could be worse.

So this could explain what I noticed on Sunday?

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