R16 - What's the widest tyre someone has put
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  1. #1
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    Default R16 - What's the widest tyre someone has put

    What's the widest tyre anyone has put on a R16 rim without drama?

    I'm not talking legal here. I'm trying to source some mud/sand/rally tyres for my R12 that's running 14" rims.

    Getting anything in a 175 X 14 is very expensive (often ex-England) and hard to find. 185 and 195 are a little easier.

    The tyres are for some off road driving and wont be used to cover much distance, probably <1000kms.

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    There was someone doing retreads on the east coast a while back, for what I want they'd be fine. Does anyone have a lead on who that might be. Only need two.

    Peter
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    COL
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    I have put 205's on a R16 14" rim, I run them on a R16 though not an R12 so not sure how you will go for clearances.
    Regards Col

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    I currently have 205mm tyres on my 12. I haven't measured the offset of my rims (they are 13" R18's that were widened), but they scrubbed on the rear until I folded up the rear arches. Now they only scrub when the suspension takes a hard hit.

    I reckon with 195's you will be peachy fine.

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    Mr. P,
    My Yellow 16TS used to run 185x14 Ute tyres,

    R16 - What's the widest tyre someone has put-yellow-ts-1.jpg

    You will need to check clearances . And they can come in rather agresive tread patterns. But for sand (?) a road tread may be better, with 15-20 psi.

    Ray
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    COL
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    Quote Originally Posted by geckoeng View Post
    Mr. P,
    My Yellow 16TS used to run 185x14 Ute tyres,

    Click image for larger version. 

Name:	Yellow TS 1.jpg 
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    You will need to check clearances . And they can come in rather agresive tread patterns. But for sand (?) a road tread may be better, with 15-20 psi.

    Ray
    You will be struggling to get those under the guards of an R12, they are just to tall and will rub.
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    I'm thinking wider than 175/65 x 14s may have a good chance of snagging on turns where the floorpan/doorpillar/sill is stitched together just inside the wheel arch of the 12, as there isn't a lot of clearance there with the 175/65 x 14. Probably nothing a sledgy couldn't fix, but it would look a bit untidy, then there is the spring baseplate too, especially if it has the stock 12 front brakes instead of 15/17 vented discs. Caster bar clearance too?
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    What is the rim width? If standard R16, then it's 4.5". That means that the maximum width fitments are:

    80 series: 185
    75: 185
    70: 185
    65: 165

    A useful site on this is:

    Wheel/Rim Size Calculator - Shows acceptable rim width range for the tyre size

    As a rough rule of thumb, the higher the profile, the less chance of unseating the bead at low pressures on a given rim width.

    In 185/80 one can get a van tyre & this will have reinforced sidewalls. But clearance is an issue. Compared to standard 155/80-13, 185/80-14 is 3" larger in diameter & 1" larger in total width. A good site for these comparisons is:

    https://tiresize.com/comparison/

    I know 185/70-13 fits & maybe 185/70-14 is the best compromise. No van tyres in this size that I know of but BF Goodrich has the Advantage T/A Drive which Jax lists at $109 each (sadly the recent "4 for the price of 3" deal is defunct). It's fairly coarsley treaded with an emphasis on lateral main grooves & is supposedly fairly strongly constructed.

    cheers! Peter
    Last edited by 4cvg; 27th April 2018 at 02:05 AM.

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    Thanks for your replies

    Good news!

    Just had a root around in the shed and pulled out a set of R 16 wheels. They're 6 X 14 rims with the centre hole, co they can be balanced on a standard machine, probably off a TX. That'll make things a whole lot easier.

    The R12 has raised suspension and I've had 185s on it before with real scraping issues.

    Still looking for an agressively treaded tyre.

    Peter
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  9. #9
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    TX had 4.5" X 14 so . . . .

    Still, it should make the hunt easier having the 6" rims.

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    Hmm! I had a brief trawl & my thoughts are still that the T/A Drive might be as good as you'll get. Van tyres tend to be solidly treaded with a low percentage of void. Off-road tyres are not available. With 6" you could fit 195/70.

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    COL
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    Rally tyres but they are not cheap
    Regards Col

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    Quote Originally Posted by 4cvg View Post
    Hmm! I had a brief trawl & my thoughts are still that the T/A Drive might be as good as you'll get. Van tyres tend to be solidly treaded with a low percentage of void. Off-road tyres are not available. With 6" you could fit 195/70.
    Yeah, that's been my observation too.

    And yes rally tyres aren't cheap!

    Anyone know the crowd that retreaded mud/sand/rally tyres?
    Daily Drivers: R10, R12, R17T(?) Decouvrable

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  13. #13
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    I run Dunlop 14" alloys on my 12 with (from memory) 185/60-14, or it could be a 185/65-14.
    They fit fine on the rear now the guards are rolled, and the fronts are no problem. I have run 195/60-14 before but they rub a bit too much on the rear under compression.
    I have long term dreams of a slightly flared guard to run 225/50-15's on it, but that's a long way off.

    Regarding the rally retreads, I do remember a tyre shop in Morisset just off the freeway in the industrial estate that carried a bunch of rally retreads for all the Awaba Car Club guys for khanacross.

    Give these guys a call

    Mega Tread Tyre Barn
    Tyres - Morisset, NSW 2264
    Unit 3 15 Advantage Ave, Morisset NSW 2264
    (02) 4970 4090

  14. #14
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    Quote Originally Posted by 3006882 View Post
    I run Dunlop 14" alloys on my 12 with (from memory) 185/60-14, or it could be a 185/65-14.
    They fit fine on the rear now the guards are rolled, and the fronts are no problem. I have run 195/60-14 before but they rub a bit too much on the rear under compression.
    I have long term dreams of a slightly flared guard to run 225/50-15's on it, but that's a long way off.

    Regarding the rally retreads, I do remember a tyre shop in Morisset just off the freeway in the industrial estate that carried a bunch of rally retreads for all the Awaba Car Club guys for khanacross.

    Give these guys a call

    Mega Tread Tyre Barn
    Tyres - Morisset, NSW 2264
    Unit 3 15 Advantage Ave, Morisset NSW 2264
    (02) 4970 4090
    hmm! sounds like 195/70 will foul.
    185/70 might even foul as well. much depends on just where you get fouling - is it a width issue or a diameter issue? compared to 195/60 the 185/70 is narrower but taller.

    185/65 is both narrower & shorter than 195/60 & might be ok. Given the off-road application, it'd be a better choice than 185/60.

    Fortunately for the T/A Drive option, 185/65 (& 185/60) are available in 14".

  15. #15
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    Many moons ago, sounds better than years, I used 195/45/13 on standard 13 inch rims.

    Upset the gearing but this was for Motorkhana.

    Acceleration was much improved. Clearance was fine but check again

    Got them as used imported tyres from a place in Newlands Rd Coburg

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