Re: GR 70-15 GoodYear Steelgard
 

My other '78Z has an original Firestone GR70-15 white stripe spare on the original painted rim so they definitely used GR70-15 in '78.

Re: GR 70-15 GoodYear Steelgard
 

My 1978 Z, that I still have, came originally with G70-15 (which I think comes out to 225-70-15 metric-wise) Goodyear Steelgards with raised white letters.

Re: GR 70-15 GoodYear Steelgard
 

[quote=camaromb]My other '78Z has an original Firestone GR70-15 white stripe spare on the original painted rim so they definitely used GR70-15 in '78. [/qeuote]News to me as I've owned lots of these cars and everything I know is that the g70 was last used in 77' never say never I guess.

Re: GR 70-15 GoodYear Steelgard
 

You are right, I thought that we were using Metric sizing for GM in '78.

As for GR70-15 Steelgards, the RWL is being reproduced and the White Stripe is coming soon.

GR 70-15 GoodYear Steelgard
 

Finally scored the '74 GoodYear Steelguard, an unused whitewall spare from a '74 Vette.
Anyone in need please let me know, decode again also pics below.
[img]<<GRAEMLIN_URL>>/beers.gif[/img]
~ Pete

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Tire Code # MKU5FNH014
M - Mfg. = Goodyear
K - Plant = Union City Tenn.
U5 - Size = GR7015
FNH - Tire Construction type ?
014 - Mfg. Date = 1'st week of 1974

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