[Healeys] (no subject)

[John Vrugtman]

I'm using the XAS 180s with 72 spoke wheel on my phase I with slightly 
uprated springs; like them a lot, fits the wheel well well (sorry).

John
64BJ8

On 5/6/2025 11:52 AM, Harold Manifold wrote:
> Mitchell,
>
> Tires are a somewhat contentious issue in the Healey world. I do have 
> a background in the automotive world and started with the basics to 
> pick a tire. Originally my car had 4" wide rims which limited the tire 
> choice to a 165 HR 15. I upgraded to 4.5" wide rims which opens up a 
> number of possibilities. The second consideration is to match the 
> sidewall height of the original tires for a couple of reasons. The 
> profile of the wheel well on our Healey is basically the same for all 
> models. The tires should have an OD close to the original Roadspeed 
> 5.90H15 to maintain the right look. Another consideration is the tire 
> is a part of the suspension system and the sidewall of the tire 
> influences the ride. A lower sidewall tends to produce a stiffer and 
> harsher ride.
>
> I chose the Michelin XAS 180 HR 15 and am very happy with the look, 
> ride and performance. If your BJ8 is a phase 2 with the raised 
> suspension in my opinion the 165 HR 15 has too small a diameter and 
> doesn't look at home within the wheel well profile. For the same 
> reason I think the 185/70HR15 profile tires look out of place as well.
>
> For comparison this is the table I put together to help pick out 
> tires. All of these will fit a 4.5" - 5" wide rim. The wider tires 
> could have clearance issues but reports are they do fit.
>
> Tire 	Size 	 Inflated Diameter 	 Inflated Width
> Road Speed RS5 	5.90H15 	26.0 	6.4
> Michelin XAS 	165 HR 15 	25.4 	6.6
> Michelin XAS 	180 HR 15 	26.8 	6.9
> Vredestein Sprint Classic 	165HR15 	25.4 	6.6
> Vredestein Sprint Classic 	185HR15 	26.7 	7.4
> Vredestein Sprint Classic 	185/70HR15 	25.2 	7.4
>
>
> Hope this helps. The list has been quiet for a while so maybe this 
> post will start a tire controversy!
>
> Harold
>
>
>
> On Mon, May 5, 2025 at 6:34 PM Hank Leach via Healeys 
> <healeys at autox.team.net> wrote:
>
>     I use that tire on my BJ8 as it is closest to the original bias
>     590s. The 180 may affect your speedometer reading and could rub
>     the sidelight wires but many use that size no matter. Anything
>     bigger for sure will rub. Here is the look of the 165 with 60s in
>     the the wheel well. Hank
>     --------------------
>
>     From: "Mitch Simmons" <simmonsmitch23 at gmail.com>
>     To: <healeys at autox.team.net>
>     Sent: May 5, 2025 at 4:50 PM PDT
>     Subject: [Healeys] (no subject)
>     Hello,
>     anyone have recent experience with .....Michelin XZX 165SR15
>     tires? I am considering them on my 66 BJ8......LMK....I have
>     Dayton 60 spoke rims......Also considering Michelin XAS
>     180HR15...BUT not sure they will work with 4.5 inch wide rims (any
>     experience with those would be appreciated ..as well
>     Thanks
>     Mitchell
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