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Post by cul8r on May 10, 2007 19:09:39 GMT 12
Will get back to you This weekend or something regarding the gem, owners arent home 1/2 the time when I go to see them about it.
Cheers,Chris
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Post by jaygti on May 11, 2007 8:56:38 GMT 12
Cheers, appreciate your efforts!
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Post by cul8r on May 15, 2007 11:01:33 GMT 12
Righto, Owners werent home on any occasion I went there, been today as well. But I've spotted a TE or newer shape Gemini up a guys driveway I know wrecks cars/derbies them so I'll go talk to him at some stage as well as trying to get hold of this other muppet..
Cheers,Chris
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Post by jaygti on May 15, 2007 12:56:30 GMT 12
Ah cool, shame you can't find the first guys, buy any diff will do at the moment...
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Post by cul8r on May 17, 2007 22:14:29 GMT 12
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Post by jaygti on May 18, 2007 10:07:48 GMT 12
Thanks, I'll check that link out when I get home tonight (can't get onto trademe at work).
So it's just the diff I need then? I don't need the driveshaft and torque tube as well?
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Post by mikuni on May 18, 2007 10:50:55 GMT 12
Its that later model gemini diff so you won't be able to do the piazza swap and you will need the torque tube and driveshaft. I think he meant the diff assembly as such.
Sounds like you'd be able to use the chevette trailing arms etc?
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Post by cul8r on May 18, 2007 10:56:52 GMT 12
Why cant he swap the piazza stuff into that one?
The Wagon I used for parts was that shape,
It had a torque tube, I basically stripped everything off the gemini diff and decided to see if the chevette stuff fitted and it did, just need to make one brake line connection out of the two to mate them together.
Only problem is the torque tube brackets holes are too far out, so you will have to re-drill them or if its possible swap the chevette one over (biffed mine out before I had the chance to see if the chevette one will fit)
Cheers,Chris
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Post by jaygti on May 18, 2007 11:21:11 GMT 12
To be honest, not being able to bolt the Piazza stuff into this diff isn't that much of a concern. I need to replace the current diff ASAP and any Gem diff will do at the moment.
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Post by mikuni on May 18, 2007 12:01:38 GMT 12
Cool I thought that might be the case anyway. Was just letting you know that before you went ahead with the purchase.
I'm not 100% on the brand names, whether they were all borg warner or not, but the earlier Isuzu Geminis share a very similar housing with the piazzas, where parts are interchangable. The later model (usually Holden) geminis used another diff housing which was not shared with the piazza. There are numerous threads on this around the place and it is rumoured that there are LSD's (and disks for that matter) from things such as commodores or falcons that will go in (or bolt on) but I haven't seen it done before.
Personally I'm opting to hang on to the chevette diff as they seem to be surprisingly robust for such a small unit. You don't actually hear of them going bang that often. Obviously it will break, but I don't really see a gemini diff as being a significant step forward.I know yours is noisy so if you get stuck for a gemi one perhaps you could just find a good condition diff head/centre.
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Post by jaygti on May 18, 2007 12:12:17 GMT 12
Yeah I've read a few bits of theoretical info about what you can and can't do with the later Gem diff, but nothing ever concrete.
At the moment the only reason why I'd prefer a Gem diff to a standard Chevette one is for the diff ratio, so I can counter some of the effects of the 175/50/13 tyres I'm planning to put on it (speaking of which, should be finally picking up the Superlites tonight!). If it wasn't for that, then I'd definitely be looking for decent Chevette diffs.
The current one is now so noisy I have to shout to talk to people in the passenger seat...
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Post by mikuni on May 18, 2007 12:52:39 GMT 12
lol yeah mines gettin to that point aswell. ohwell, i have a spare head.
i Haven't looked into ratios yet. Hopefully the commodore 5 speed I'm using will stretch the ratios out a little bit.
On that tyre choice. How is your ride height going to be and are you repositioning your exhaust. I just thought I would warn you that it will be low with 175/50/13's. You can forget going over speed bumps and even imperefections in the road can cause it to bottom out. If you are going with a higher ride height it may look a little funny having small wheels way out of the guards too. Hope this doesn't change the direction your heading in too much.
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Post by jaygti on May 18, 2007 13:20:26 GMT 12
Well not as low as your wagon, lol.... but lower than it is. About what Sexychevette has in that photo of his sedan and your wagon together. Although I have been thinking that maybe 60 series tyres might be a safer bet, being as I do have a speed bump I have to go over to get to my garage and I don't really want to build a car that is a pain in the arse to drive. But both yours and Sexychevettes cars look so awesome set up the way they are....
I'm just going to slap on the wheels and whatever tyres I get with the standard ride height, then keep cutting the standard springs down to a point where I'm happy with the look and clearance, then get some custom springs made up to give me that height. Any schlonging about with the exhaust or anything else will be done as necessary.
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Post by mikuni on May 18, 2007 14:37:26 GMT 12
Cool man, you've got the right idea. I like the idea of cutting, then getting customs made up at a good spring rate. I would like to do that but I don't trust the guys down here to get it right  Tom made the comment that his car was the perfect height when I saw him in auckland that time and I tend to agree. Mine may be a little low for some things but its not a problem for me. I have other daily cars to drive if I want to get over big things  If I was doing some more 13's I would deffinately get 50 series. I tried on several profiles and 55-60 looked far too big on such a small wheel. It detracted from the dish of the wheel significantly so I'm glad you are going with that. Have you talked to tom about those cheap directional 175/50/13's from where sexyminor got his tyres through? Its a guy off trademe, but I think I have his direct dial number if you haven't sorted anything out yet. I think you'd save $160 over buying the Yoko like tom and I did. |
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Post by jaygti on May 18, 2007 17:03:34 GMT 12
I think your car looks utterly awesome, but the speed bump I need to get over is a real nasty one and I doubt you could clear it, so I just couldn't go that low. Tom's is better, as it's nice and low yet still looks to have reasonable clearance. Like you, I have another daily driver, so the Chevette doesn't need to be super practical, I just don't want to have to drive around cats eyes, lol. I reckon the 50s are spot on too, I haven't spoke to Tom about the cheap directionals, want to actually have the Superlites in my garage before I start sorting tyres out. If you do have the direct number for the guy, I'd much appreciate it (as I do with all your excellent advice so far...  ). Getting the custom springs over here is a bit of a risk, I used a company in the UK in the past that were awesome, really knew their stuff, but I'd prefer to use local company as at least I can go and give them a bollocking if they f**k things up completely... ;D |
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