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Wrong profile tyre OK as spare?
Posted: Fri May 18, 2012 2:33 pm
by sdsk
In an attempt to rid myself of the space-saver spare under our 2WD bongo, I've aquired a steel wheel from a Mazda 626.
I'm fairly convinced the wheel will fit, but the tyre is the wrong profile (195/60 R15).
This works out some 6% smaller than my other tyres (Standard 195/70R15 front and 215/65R15 Rear), according to
http://www.etyres.co.uk/tyre-size-calculator.htm
Would this be OK as a spare? Or should I spend some cash on a new tyre?
The others aren't due for replacement any time soon....
Thanks
Darron
Re: Wrong profile tyre OK as spare?
Posted: Fri May 18, 2012 2:41 pm
by Northern Bongolow
the load rating may a factor here.
Re: Wrong profile tyre OK as spare?
Posted: Fri May 18, 2012 3:07 pm
by westonwarrior
It will be a whole lot better than the spacesaver
just only use it to get you to a tyre place
Re: Wrong profile tyre OK as spare?
Posted: Fri May 18, 2012 3:24 pm
by crazy uncle gray g
westonwarrior wrote:It will be a whole lot better than the spacesaver
just only use it to get you to a tyre place

Yep I'm with the Duck on this one

Re: Wrong profile tyre OK as spare?
Posted: Fri May 18, 2012 3:40 pm
by scanner
I wouldn't bother worrying about the tyre as I don't think the wheel will fit as according to
http://www.alloyguide.com/Mazda.php the 15" 626 wheel has the wrong stud spacing.
..........Year ......... Size ......... PCD .......... Offset ........ Centre bore
626 ..... 83 - 87 ...... 14x5.5 ..... 4x114.3 ..... 35 to 45 ..... 59.6
626 ..... 88 - on ...... 15x6 ....... 5x139.7 ..... 35 to 45 ..... 67.1
Re: Wrong profile tyre OK as spare?
Posted: Fri May 18, 2012 8:04 pm
by sdsk
Thanks everyone!
The load rating on the 626 tyre is only 88, so not a good start.
Better check the PCD etc too...... I'll report back!
Re: Wrong profile tyre OK as spare?
Posted: Mon May 21, 2012 1:51 pm
by sdsk
Hmm, just measured the Mazda 626 wheel. PCD and bore both seem correct for the Bongo (admittedly measured with a crappy plastic vernier).
Other sources seem to confirm this too (for a 1992 > Mazda 626):
http://www.alloywheelsinternational.com/MAZDA.html
and
http://www.wheelfitment.net/mazda
..........Year......PCD.......Offset......Centre bore
626.....92>....5x114.3.....35 - 45.....67.1
I'll try it on the Bongo later.....
Re: Wrong profile tyre OK as spare?
Posted: Mon May 21, 2012 2:30 pm
by Northern Bongolow
someone else did this recently, i think they sprayed the wheels up only to find a no fit. best to try them on.
my only worry would be is a 626 wheel strong enough to take a fully loaded bongo's weight.