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#21
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From what I have seen in person, a 1970 with HD cooling option, got a 4 core. HD Cooling was listed separate of the AC option and was additional cost. I have one from a original car I parted last year. Its not easy to access right now, but the car was an automatic, and had air Conditioning, and it had the Plastic "air dam" cover on the top of the core support to aid in cooling efficiency.
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#22
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1972 Trans Am formula radiator were they 3 core or 4 core?
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I’m pretty well versed in the 70. The reason the HD cooling was an additional option was because it was not only a stand alone option but a required option if you wanted the M-21 and the 3.73. HD cooling was mandatory with A/C in 70 and 71 and as such was part of the package so you won’t see it listed as an option if you have A/C as an option. This is why I asked the initial question in the first place. 72 as has been illustrated is a one off year where 4 core wasn’t available like it was in 70 and 71. Sent from my iPhone using Tapatalk |
#23
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#24
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#25
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For what it’s worth.
71 455HO formula 4 speed 3.73 gears |
#26
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Would like to see the PHS on a 373 equipped 71 Firebird
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#27
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So would I. I keep procrastinating getting it.
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#28
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Buzzards gotta eat... same as worms. |
#29
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Was HDC even avail on '73 4spd SD car, realize AC wasn't. |
#30
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I know for a fact HD cooling was available on the SD cars both auto AND 4 Speed ( I have a picture of an original tag on a 4 core auto radiator in a VEEEEEERY low mileage SD. I also have a 73 SD 4 speed 4 core radiator dated March 73 with a 74 radiator tag ala SD cars. The SD was very late production and they used 74 radiator tags. This has been confirmed by a couple low mile survivors including the one I have the picture of. As for A/C, I thought you could get A/C in the SD with an automatic. Not that any of this helps my question as I’m concerned with 72 production which seems to be substantiated by the earlier posts Sent from my iPhone using Tapatalk |
#31
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#32
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Yes. 70 and 71 both used 4 core radiators. 72 seems to be the odd ball. I have never seen a 72 dated 4 core but have a couple 3 cores both of which came from cars that for certain would have been HD cooling cars. Sent from my iPhone using Tapatalk |
#33
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well I'm glad I subscribed to this thread, I have once again learned something new!
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
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