Guest JAMIE T Posted October 5, 2003 Share Posted October 5, 2003 I am building my own hybrid turbo. I bought a compressor and wheel off ebay a few months ago(before I even got my ZXT engine). .85 AR/60-1 wheel. It's LARGE. I pulled the stock turbo off the engine to see how things went together. Like a glove. The only thing I see a problem with is the 60-1 wheel has been reman'd and has been blasted(sand or glass beads). The hole the shaft goes though is course inside from the blasting. So, it wont slide over the shaft. It goes down a couple of millimeters, but that's it. I don't want to force it, incase I need to take it back off at some point. Any creative ideas? Quote Link to comment Share on other sites More sharing options...
spacecoastz Posted October 5, 2003 Share Posted October 5, 2003 buffing wheel? Quote Link to comment Share on other sites More sharing options...
v8dats Posted October 5, 2003 Share Posted October 5, 2003 doesnt it have to be balanced? somone chime in please Quote Link to comment Share on other sites More sharing options...
yo2001 Posted October 5, 2003 Share Posted October 5, 2003 Yeah, the assembly should be dymanically balanced. Quote Link to comment Share on other sites More sharing options...
Guest JAMIE T Posted October 5, 2003 Share Posted October 5, 2003 Lots of people build their own turbos. Balancing is like a bonus. Most shops that rebuild turbos don't balance them. Only the bigger shops do. I have a local turbo shop that is going to assist me in this anyway, like, I'm getting the rebuild kit from them, etc... I'll see what he says about balancing it. Quote Link to comment Share on other sites More sharing options...
yo2001 Posted October 5, 2003 Share Posted October 5, 2003 Bad balanced turbo howls like crazy from my experience. Also, it can cause bad vibration too I think. Quote Link to comment Share on other sites More sharing options...
SleeperZ Posted October 5, 2003 Share Posted October 5, 2003 I don't know what normal operating procedure is for building a turbo, but I'm sure balance is critical for an assembly that rotates to 100,000 rpm. If there is a minor imbalance, you will probably get premature bearing wear and fast failure. If it is grossly imbalanced, you'll scrape the compressor or turbine housing as soon as it spools, and it'll be dead. Quote Link to comment Share on other sites More sharing options...
Guest JAMIE T Posted October 5, 2003 Share Posted October 5, 2003 The thread seems to have gotten off topic. If it will make YOU ALL feel better, I will get it balanced. But, that was not what I was questioning. Quote Link to comment Share on other sites More sharing options...
SleeperZ Posted October 6, 2003 Share Posted October 6, 2003 The thread seems to have gotten off topic. If it will make YOU ALL feel better, I will get it balanced. But, that was not what I was questioning. You are right. However, I'm thinking that however you manage to get the parts together now, be sure to balance it, as it most surely will be out. Quote Link to comment Share on other sites More sharing options...
Guest JAMIE T Posted October 7, 2003 Share Posted October 7, 2003 Yep, I'm taking my pile of parts to the turbo shop later this week. I was gonna run the stock turbo for awhile, but it seemed like it had to much shaft play. So, I figured, why the hell not put the BIG T04B/60-1 on it and be done with that. I hope it doesn't cost a fortune to rebuild it though. Quote Link to comment Share on other sites More sharing options...
yo2001 Posted October 7, 2003 Share Posted October 7, 2003 I would start measuring the compressor housing size. I doubt .85 A/R fit without a spacer of some sort. lol Quote Link to comment Share on other sites More sharing options...
Guest JAMIE T Posted October 7, 2003 Share Posted October 7, 2003 HEHEHE, a spacer is in the works! Quote Link to comment Share on other sites More sharing options...
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