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  #11  
Old 10-20-2015, 02:57 PM
camaromb camaromb is offline
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Default 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.
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  #12  
Old 10-20-2015, 05:56 PM
danachevroletfor1967 danachevroletfor1967 is offline
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Default 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.
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Old 10-20-2015, 09:26 PM
GTO_DON GTO_DON is offline
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Default 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.
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Old 11-14-2015, 09:56 PM
SmallHurst SmallHurst is offline
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Default 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.
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  #15  
Old 01-03-2016, 01:46 AM
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PeteLeathersac PeteLeathersac is online now
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Default 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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