Space saver tire

[aussie.porsche]

Hi,
I have 16" Fuchs on my 84 911 and the space saver tire is 15"
Is that a problem?

[lsf911]

The rim diameter doesn't matter, it's the overall wheel diameter that does. Inflate your space saver and measure it. Then compare it to your 16" wheel. It should be close in size.

If not, you can still run in to get you off the side of the road and to a service station or home if you are not too far away.

[aussie.porsche]

Thanks Lou

[bahman]

The only thing I would ad to lsf911 is that if the brake calipers are not the originals or original-spec, a stock wheel may not clear the caliper. My 1991 C2 Turbo's stock space-saver did not clear the Ruf/Brembo caliper I had at the time, and a mere flat on a front tire necessitated towing the car to a tire shop.

[Ctopher]

Another issue is a flat in the rear, per the manual you need to move a front wheel on the same side to the rear and mount the space saver on the front. This is per the manual.

CTopher

[chrismorse]

When my dad passed his 74 to me 10 years ago, it still had what appeared to be the original inflateable spare

how long do the original inflateable spares last. Obviously, being sheltered in the trunk, UV is not an issue, but how about oxygen deterioration and or natural rubber degradation.

Since most of us have upgraded our wheel/tires, the spare is not likely even close to the original diameter, so now what???

For reasons of tire wear/economy, i am moving to 205/50-15, on a 7x15 rim, front and back, but i don't know if one of those tires will fit in the frunk, if i try to have a 5th standard tire.

I shot myself in the foot with the 308 big brake upgrade, going to an 18 inch wheel, the stock 14 inch spare is the same size as the new disc - 14 inch.

Caveat Emptor/plan ahead,
chris

[smadsen]

I had a flat recently in the '15 911 about as far away from civilization as you can get in California. Like out past where God lost his boots. No spare tire. I used the Porsche can of fix-a-flat and the tire compressor. Both worked perfectly and I got 50 lbs. in the tire and drove the 100 miles home. The replacement can of tire soup cost $110 at the dealer and I had to clean the gook out of the tire and off the rim, BUT, I got home.

I'd suggest everyone with a 40+ y/o collapsible spare get two cans of the tire slime from your local FLAPS (prolly $10/ea.) and make sure you have a working compressor & a valve stem remover/installer gadget. Far more reliable and simpler than swapping tires front to rear and inflating an ancient weather-checked tire by the side of the road in the dark.

And practice once with your also 40+y/o compressor, particularly the plug to the cig lighter. You'll find two clamps spliced onto your compressor wire that can be clamped directly to your battery to be a wise investment before you discover, on a cold & rainy night, your after market compressor plug won't fit into your German spec cigar lighter socket.

[aussie.porsche]

ThanKs for all those comments.
I believe that swapping wheels back to front was only for 911 turbos (930's)

[GH85Carrera]

Originally Posted by aussie.porsche

ThanKs for all those comments.
I believe that swapping wheels back to front was only for 911 turbos (930's)

Nope. My car is a regular non turbo Carrera. Same thing, total pain in the butt, if the flat is in the rear. Put the front tire in on the rear of the car, and the space saver on the front. It is just a matter of load.

The real challenge is what will you do with the dirty old flat tire? It will not fit in the trunk, if you have any luggage with you. I carry a couple of heavy duty large trash bags with me to put the old road tire in for the trip home.

I have been lucky on my many road trips, no flats.

I also carry the tire plugs, and the can of fix a flat and a compressor.

[aussie.porsche]

Thanks Glen

[thsupernge]

Originally Posted by smadsen

I had a flat recently in the '15 911 about as far away from civilization as you can get in California. Like out past where God lost his boots. No spare tire. I used the Porsche can of fix-a-flat and the tire compressor. Both worked perfectly and I got 50 lbs. in the tire and drove the 100 miles home. The replacement can of tire soup cost $110 at the dealer and I had to clean the gook out of the tire and off the rim, BUT, I got home.

I'd suggest everyone with a 40+ y/o collapsible spare get two cans of the tire slime from your local FLAPS (prolly $10/ea.) and make sure you have a working compressor & a valve stem remover/installer gadget. Far more reliable and simpler than swapping tires front to rear and inflating an ancient weather-checked tire by the side of the road in the dark.

And practice once with your also 40+y/o compressor, particularly the plug to the cig lighter. You'll find two clamps spliced onto your compressor wire that can be clamped directly to your battery to be a wise investment before you discover, on a cold & rainy night, your after market compressor plug won't fit into your German spec cigar lighter socket.

+1 No brainer