Subject: [Fot] Tires

From: Mark Haynes via Fot <[email-masked]>
Date: Mon, 7 Jul 2025 15:26:17 -0400

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While not specifically a triumph question, I hope I get get some info here.
I have a =E2=80=9873 Lotus Europa John Player Special. The car only weighs =
about
1500 pounds.

The tires that came on the car are:

175/70-R13 Front
185/70-R13 Rear

Because of the weight, the specified air pressure is only 20 pounds.

The rims are 5.5=E2=80=9D wide

It is difficult to find street legal performance tires for 13=E2=80=9D whee=
ls.

Some manufacturers sell the 175=E2=80=99s & some sell the 185=E2=80=99s but=
 few sell both,
& those that do, may only sell both using different model tires. I hate to
mix 2 different tire models on the same car.

If I go with a 205/60-R13, I get basically the same diameter/circumference
as both the 175 & 185 tires, & there are a number of track performance
tires, & even the old BF Goodrich Radial T/As available. The 205=E2=80=99s =
would
look great!

>From some old on line posts, it sounds like the 205/60=E2=80=99s will work =
fine on
the rear, with some very slight interference on the front at full turn
lock. That would be easy to deal with.

Some charts I have seen say that a 5.5=E2=80=9D wide rim will take up to a =
205, but
some say only up to 195 widths are acceptable.

Your thoughts?

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<div dir=3D"auto">While not specifically a triumph question, I hope I get g=
et some info here.=C2=A0</div><div dir=3D"auto">I have a =E2=80=9873 Lotus =
Europa John Player Special. The car only weighs about 1500 pounds. <br><br>=
The tires that came on the car are:<br><br>175/70-R13 Front<br>185/70-R13 R=
ear<br><br>Because of the weight, the specified air pressure is only 20 pou=
nds. <br><br>The rims are 5.5=E2=80=9D wide<br><br>It is difficult to find =
street legal performance tires for 13=E2=80=9D wheels. <br><br>Some manufac=
turers sell the 175=E2=80=99s &amp; some sell the 185=E2=80=99s but few sel=
l both, &amp; those that do, may only sell both using different model tires=
. I hate to mix 2 different tire models on the same car. <br><br>If I go wi=
th a 205/60-R13, I get basically the same diameter/circumference as both th=
e 175 &amp; 185 tires, &amp; there are a number of track performance tires,=
 &amp; even the old BF Goodrich Radial T/As available. The 205=E2=80=99s wo=
uld look great!<br><br>From some old on line posts, it sounds like the 205/=
60=E2=80=99s will work fine on the rear, with some very slight interference=
 on the front at full turn lock. That would be easy to deal with. <br><br>S=
ome charts I have seen say that a 5.5=E2=80=9D wide rim will take up to a 2=
05, but some say only up to 195 widths are acceptable. <br><br>Your thought=
s?</div>

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