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Gtir Motorsport club » Tech room » Help and Advice » Cracks in turbo,terminal???

Cracks in turbo,terminal???

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1 Cracks in turbo,terminal??? on 14th June 2015, 1:09 pm

houghy_1


I was just about to bolt my refurbished turbo on yesterday and I noticed cracks around the wastegate. So what's the score is it scrap, will it fail,  etc etc I think you know where I'm going with this .
Just been in contact with the guy who did it and he says it's fine ,he would have said otherwise.





2 Re: Cracks in turbo,terminal??? on 14th June 2015, 1:20 pm

houghy_1


My replies....

It be fine mate if you can get a new housing I would of replaced it housings are normally £250 mate if it was too bad I would of said it to you"

"Yes that be fine as long as the hole is flat it hold the gate flap flat I've never rebuilt a pulsar with out a crack they thin casting as for its size

3 Re: Cracks in turbo,terminal??? on 14th June 2015, 1:32 pm

Stu

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I have seen many cracked gtir turbo housings. But wouldn't have a clue how far is to far cracked.


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4 Re: Cracks in turbo,terminal??? on 14th June 2015, 1:36 pm

houghy_1


No me neither,but if there's any chance of it failing then what's the point in fitting it??  I was struggling to build it for the 21st as it was.

5 Re: Cracks in turbo,terminal??? on 14th June 2015, 1:52 pm

Mr B

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I wouldn't rebuilt one with cracks like that, needs a new housing, that 4 heavy crack lines .
who rebuilt that !?

6 Re: Cracks in turbo,terminal??? on 14th June 2015, 2:07 pm

Stu

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Just asked my brother and he said it will loose boost presure so is no good.


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7 Re: Cracks in turbo,terminal??? on 14th June 2015, 2:30 pm

houghy_1


That's what I thought :-(
It was done by a guy on Facebook, Bernie's Blowers.

8 Re: Cracks in turbo,terminal??? on 14th June 2015, 3:02 pm

Stu

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Surely he should of noticed that and asked you what you wanted to be done. Rather than just rebuild it and let it go without mentioning it.


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9 Re: Cracks in turbo,terminal??? on 14th June 2015, 5:00 pm

nomad

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Ive only ever heard good things about bernies blowers .... i would of said hairline cracks are fine but that looks way more than that ....


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10 Re: Cracks in turbo,terminal??? on 14th June 2015, 11:04 pm

shroom

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Try it and see, I think it will be fine your not running 1.6 bar and many people will never have their turbo off in years to inspect that sort of thing so its just a what if, its only the housing so wont do damage

11 Re: Cracks in turbo,terminal??? on 14th June 2015, 11:26 pm

Gaz GTiR

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As Stu said mate, all it will do is maybe tail off boost abit, you will find most old turbos have cracks round the wastegate penny... Mine has but holds boost fine so you may be lucky? But I think it depends on where the crack is that effects it losing boost. Not sure tho

12 Re: Cracks in turbo,terminal??? on 15th June 2015, 9:27 am

Guest


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I heard tom is used to getting his crack filled up on a regular when he's working the streets so may be best to ask him?

13 Re: Cracks in turbo,terminal??? on 15th June 2015, 9:42 am

shroom

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@Petelesta wrote:I heard tom is used to getting his crack filled up on a regular when he's working the streets so may be best to ask him?

Pete I know I have to abide by client confidentiallity but you are my biggest customer, I had to put the prices up mate as the lube has gone up so stop been a bitch...

Haha

14 Re: Cracks in turbo,terminal??? on 15th June 2015, 10:27 am

Guest


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Spit is free tom lol

15 Re: Cracks in turbo,terminal??? on 15th June 2015, 12:01 pm

Mr B

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gtir technician
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When hot they expand so normally minimal boost leak. odd hairline ok but with 4 heavy cracks round the gate I would of binned it.

16 Re: Cracks in turbo,terminal??? on 15th June 2015, 6:18 pm

buckym120

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Used Bernie to rebuild my one and for me he actually replaced the exhaust housing but I've not got any pics of the cracks. But do know he had a few problems getting hold of one

17 Re: Cracks in turbo,terminal??? on 15th June 2015, 6:33 pm

Thermal

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Mine has a few cracks, no loss of boost that I can see at 1bar. But I would of thought that the rebuilder would of highlighted it and given you some advice/options, even if it was to tell you there is nothing to worry about.

18 Re: Cracks in turbo,terminal??? on 20th June 2015, 9:12 am

houghy_1


@Thermal wrote:Mine has a few cracks, no loss of boost that I can see at 1bar. But I would of thought that the rebuilder would of highlighted it and given you some advice/options, even if it was to tell you there is nothing to worry about.
 Yeah I thought he would have highlighted it at the very least and then reassured me there's nothing to worry about. 
I've chatted to a few people now and they've all said the same,he should have told me,but it's ok get it bolted on.
So I'll see how things go.

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