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Post by rhyswh on Apr 23, 2017 18:32:11 GMT
How long should it take to take a turbo off and replace with a new one? (Mk1 1.8 if it makes a difference)
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oli
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Post by oli on Apr 23, 2017 18:42:23 GMT
10 mins if it's like for like?
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Post by atlex on Apr 23, 2017 20:28:06 GMT
I'd say a day with all the relevant faff, assuming you're only a mild idiot.
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oli
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Post by oli on Apr 23, 2017 20:46:27 GMT
Eh?? Is this just swapping a turbo for a new one on the same car. Or removing turbo and fitting to another car?
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Post by rhyswh on Apr 23, 2017 22:58:44 GMT
This is literally unbolting a turbo and replacing with a new one in the same car.
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oli
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Post by oli on Apr 24, 2017 5:15:21 GMT
Yeah that's what I though you meant. 10 minutes then. It's about 8 bolts to undo and water / oil lines to remove. Might be worth putting new Cooper washers on your banjo bolts if they're being removed and refitted.
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Post by rhyswh on Apr 24, 2017 8:24:20 GMT
That's what I thought as well, this is been done by a garage that do turbo conversions and they reckon it will take 3 hours haha
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Post by qwackingduck on Apr 24, 2017 11:06:32 GMT
To be fair, if i was a garage i would over estimate it...
If they said 10 mins and you sat their waiting and it took an hour, you'd be pretty annoyed?
Its a 10 min job, once you have all the tools out and everything ready, its realistically an hour job? I know mine would be longer as to get the turbo off its a bit of a puzzle having to loosen other things first, however i know the puzzle but i would expect a garage to have to learn it as they go therefore taking longer....
Any reason your not doing it yourself, it is easy...
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Post by rhyswh on Apr 24, 2017 15:07:40 GMT
It's not my car. The car was in to get a switch fitted for switchable maps. After it was fitted it was put on the Dyno and they found that the car was over boosting. Should be running 0.5 bar but was actually at 1 bar. The guy who owns it didn't think the car behaved any different before it went in. He can't remember his gauge ever reading 1 bar. They swapped the turbo over for another and it worked fine. Anyway, long story short he was told the turbo was Canoeed. They can't seem to figure out what is wrong with it though (which sounds very odd to me). The whole kit was fitted at the same garage and they provided a brand new turbo. Annoyingly the guarantee is out so he was expected to replace it. After a few discussions they decided to replace the turbo and only charge the labour for it.....which will be roughly 3 hours! Now when the car was put on the dyno I'm pretty damn certain they didn't spend 6 hours swapping the turbo, check the map and swap it back again!
I've told him what I think but I just wanted to check just in case I was missing something.
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Post by atlex on Apr 24, 2017 15:32:04 GMT
overboosting sounds more like the wastegate actuator is cannoed, not the turbo iteself..
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Post by rhyswh on Apr 24, 2017 16:09:27 GMT
I also said this! He had some issues with the actuator before and they fixed it. I just find it odd that they can't tell him what's wrong with it. There's not that many things to wrong on the turbo itself surely?
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oli
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Post by oli on Apr 24, 2017 16:23:05 GMT
Sounds a bit fishy. But why have a switch fitted for different maps if only running .5 bar? Just turn the boost up man!!
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Post by rhyswh on Apr 24, 2017 16:32:31 GMT
That's why the switch was being fitted. The low map was going to be 0.5 bar and then he could switch to face melting mode.
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oli
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Post by oli on Apr 24, 2017 16:48:22 GMT
Why not do what everyone else does and put a switch in line with the feed to a boost solenoid and use 1 map but a switch to turn the boost solenoid off and be at wastegate pressure?
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Post by rhyswh on Apr 24, 2017 16:56:12 GMT
How does that work with the map? Is it not better to have the car mapped at both pressures​ and switch between them?
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