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Question. Original 15” tire size on Superbird

Started by rainbow4jd, October 12, 2022, 04:44:06 PM

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rainbow4jd

I've always believed Birds with 15" Rallye rims came with Polyglas GT F70 15

Then I heard a guy say "no, they were F60 x 15"

I'm sure it's been discussed in other threads but it's a pain to search on my phone

Thanks

nascarxx29

1969 R4 Daytona XX29L9B410772
1970 EV2 Superbird RM23UOA174597
1970 FY1 Superbird RM23UOA166242
1970 EV2 Superbird RM23VOA179697
1968 426 Road Runner RM21J8A134509
1970 Coronet RT WS23UOA224126
1970 Daytona Clone XP29GOG178701

talkiemopar

Bought my bird new. It is a 440-6 pack 4 speed, came with Good year polyglass - GT - F 60 15  Rick.   :popcrn: :cheers:

rainbow4jd

Thanks Rick.  Guess I was wrong all these years.  Now I'm old enough to ASK before I do something stupid!


6bblgt

Quote from: talkiemopar on October 12, 2022, 05:12:18 PM
Bought my bird new. It is a 440-6 pack 4 speed, came with Good year polyglass - GT - F 60 15  Rick.   :popcrn: :cheers:

during Superbird production the F60-15 POLYGLAS GT changed from "NO SIZE" to "WITH SIZE" in RWL - what was/is on your Superbird & when was it at Clairpointe?

6bblgt

Quote from: rainbow4jd on October 12, 2022, 04:44:06 PM
I've always believed Birds with 15" Rallye rims came with Polyglas GT F70 15

prior to the "outline" lettered Goodyear Polyglas GT tires from the mid-'70s "GT" referred to the 60-series tire sizes

talkiemopar

It was the 1474 bird built. Date received-12-9 Date shipped-12-9. The tires are long gone. Car has 169,000 thousand miles and has never been trailed. So drive the wheels off them, and enjoy the ride.  Rick.    :2thumbs: :cheers:

hemi68charger

Quote from: talkiemopar link=topic=141738.ms :2thumbs:g1748366#msg1748366 date=1665635156
It was the 1474 bird built. Date received-12-9 Date shipped-12-9. The tires are long gone. Car has 169,000 thousand miles and has never been trailed. So drive the wheels off them, and enjoy the ride.  Rick.    :cheers:

:2thumbs:


Troy
'69 Charger Daytona 440 auto 4.10 Dana ( now 426 HEMI )
'70 Superbird 426 Hemi auto: Lindsley Bonneville Salt Flat world record holder (220.2mph)
Houston Mopar Club Connection

RealWing

My Superbird was built Nov 12th and had the tire size F60-15 in RWL
Jim
1970 Superbird 440-6bbl
1969 Barracuda 340 Formula S
1969 Barracuda convertible  6.1 L Hemi
2015 BMW K1600 GTL

birdsandbees

My Broadcast sheet specs U84 and what I have on the car.

U84   = F60 x 15 Raised White Lettering Polyglas GT
1970 'Bird RM23UOA170163
1969 'Bee WM21H9A230241
1969 Dart Swinger LM23P9B190885
1967 Plymouth Barracuda Formula S
1966 Plymouth Satellite HP2 - 9941 original miles
1964 Dodge 440 62422504487

RealWing

Quote from: birdsandbees on October 14, 2022, 08:24:06 PM
My Broadcast sheet specs U84 and what I have on the car.

U84   = F60 x 15 Raised White Lettering Polyglas GT

My BS also coded U84
Jim
1970 Superbird 440-6bbl
1969 Barracuda 340 Formula S
1969 Barracuda convertible  6.1 L Hemi
2015 BMW K1600 GTL

nascarxx29

1969 R4 Daytona XX29L9B410772
1970 EV2 Superbird RM23UOA174597
1970 FY1 Superbird RM23UOA166242
1970 EV2 Superbird RM23VOA179697
1968 426 Road Runner RM21J8A134509
1970 Coronet RT WS23UOA224126
1970 Daytona Clone XP29GOG178701