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Temporary spare/donut instead of the full sized spare (Yes it can be done)
Late 90s civics have a smaller centerbore (by about 1mm), so those are out. The same can be said with early 90s miatas.
In addition to centerbore, I imagine having the same outside diameter would be important for drivability. Or even a requirement if you car has an LSD.
Dang, that would have real easy to find in a junkyard.
I sincerely doubt that you will get much weight savings from the swap, but a VW A2 donut should fit fine and should be a direct fitment.
The thing is, I already "tucked" my spare wheel well up into the trunk, cutting it in half and pushing it upwards. I did that for the aesthetic since my '87 doesn't have a rear apron. I didn't like the look of that bulge hanging down. That's basically the real reason. I need a spare that fits in the smaller space.
I've never heard of an A2... looks like it's a Jetta over here. Would you confirm that the year range I should look for is 1984–1992? Thanks.
Yes, 83 or 84 to ~1992. The A3 (also called Mk3) Jetta/Bora/Golf also has the same 57mm CB and 4x100 pattern IIRC, and that platform ran to maybe 1998. Heck, even the first generation Golf might be the same, but I'm not sure those had space savers.
I stopped carrying a spare in my e30 years ago. I just have a plug kit and a decent 12V pump now. The tire was ancient, but I think I took it out for an autox and never reinstalled it.
I'd be interested in carrying something like a donut though.
Originally posted by priapism
My girl don't know shit, but she bakes a mean cupcake.
Originally posted by shameson
Usually it's best not to know how much money you have into your e30
The thing is, I already "tucked" my spare wheel well up into the trunk, cutting it in half and pushing it upwards. I did that for the aesthetic since my '87 doesn't have a rear apron. I didn't like the look of that bulge hanging down. That's basically the real reason. I need a spare that fits in the smaller space.
This size equates to a 2.7% difference, according to this chart:
Would you consider this to be too great of a difference for the differential to handle? For open diffs, no, but what about the LSD's? Personally I have a 3.15 Torsen, and I think the gears would allow a slip like this. But I have no actual idea. I want to 2.93 clutch type later, which I assume would certainly allow a little slip.
Does anyone know details, if this is a good call?
I'm preparing for a road trip soon, so this is a $140+ decision I'd like to make soon.
I will also buy a tire inflator to keep in the car. I like the idea of a spare as a "last resort".
Thanks guys!
The wheel is on correctly, not sure if you can find new spare tires alone, and at under 3% any diff should be okay for a short time, but I base that on conjecture alone.
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