I use the Eastwood hi-temp manifold paint. I think it is a good looking substitute for natural cast iron but no one will ever confuse it as looking like cast iron. Mine lasted for 3 1/2 years and I finally had to touch it up. the quart can is plenty for many touch ups.
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74 radio
What years are the same am/fm radio and knobs. Was this exact radio used in any other GM cars or trucks of this vintage. -
Re: 74 radio
My interchange manual shows that 72-74 mono are the same (1975-1976 will work but are not identical) and the 73-74 stereo are the same (1972, and 1975-1976 will work but are not identical).
tom...Comment
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Re: 74 radio
Tom------
Here's the PRODUCTION radio usage:
mono radios:
68 to 71------GM #7302721
72 to 73------GM #7937571
74 to 76------GM #9344651
stereo radios:
68 to 71------GM #7303211
72------------GM #7937581
73------------GM #9341341
74 to 76------GM #9344661
As far as knobs go, the 68 knobs were unique to that year and two slightly different styles were used. 1969-71 knobs were the same, although the 70-71 balance and tone inner knobs may have been slightly different.
For 72-76, I'm not certain of knob usage.
The 68-76 Corvette radios were not used for any other GM application as far as I am aware. Later year radios may have been, though.In Appreciation of John HinckleyComment
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Re: 74 radio
Joe,
The parts interchange manual that I have, by Research Specialists, has different radio years then you list.
The following is your list with the RS list in brackets ( ) for comparison. They are very close but have some year differences.
mono radios:
68 to 71------GM #7302721
--(68 - 70 used # 7302721)
--(71 only used # 7312331)
72 to 73------GM #7937571
---(72 - 74 used # 7937571)
74 to 76------GM #9344651
--(75 - 76 used # 9344651)
stereo radios:
68 to 71------GM #7303211
--(68 - 71 used # 7303211) -same
72------------GM #7937581
-(72 only used # 7937581) -same
73------------GM #9341341
--(73 - 74 used # 9341341)
74 to 76------GM #9344661
---(75 - 76 used # 9344661)
tom...Comment
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many thanks, Ron *NM*
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