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| Turbo play. http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=83151 |
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| Author: | dntlkbak [ Mon Sep 28, 2015 6:06 pm ] |
| Post subject: | Turbo play. |
How much turbo play is too much, I know that no play is best but for those of you that have installed new turbo's do they typically have some for & aft play. I now have 2 turbo's and there is some play in both directions but I cannot make the impellers touch the casing so should I just run it like that. |
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| Author: | Mountainman [ Mon Sep 28, 2015 6:19 pm ] |
| Post subject: | Re: Turbo play. |
1/32" in and out and almost none (a few thousandths?) side to side, if I remember correctly. If you can feel the side to side easily, then it's probably well used up. Almost every one I've seen over 100k were trashed. But, if they aren't touching, and there aren't any wear marks on the fins, or the housing, you could run it but keep an extra close eye on it. However, if you run it at high RPM's, I wouldn't chance it. I have run some that are pretty loose, but not touching, but I don't run them over 2800 rpm's, and usually much lower. My daily driver had 164k miles on it with active EGR, and it was touching. All the ones I've seen in the 150k range are pretty bad. I think with proper cool down they might last past 200k. If you run it easy, and take a peak at it once a year for any contact of the fins, you can probably limp one along for a few more years safely. |
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| Author: | LMWatBullRun [ Mon Sep 28, 2015 9:21 pm ] |
| Post subject: | Re: Turbo play. |
I am a bit more conservative. Anything more than the least bit of play is grounds for replacement. Next to the cost of a new motor a thousand dollar turbo is cheap. The other point to remember is that it IS important to adhere to the cool-down procedure in the book. |
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