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Leaded Fuel in '73 429?

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Old 02-20-2001, 02:02 PM
snekrs_mach1 snekrs_mach1 is offline
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Leaded Fuel in '73 429?

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Old 03-10-2001, 12:45 PM
79supercab4x4 79supercab4x4 is offline
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Leaded Fuel in '73 429?

hey guys, just a quick question. assuming they are original, would D3VE A2A (73) heads require the use of leaded fuel? if so how much do those additves cost and and if you went without them...how long would it be before it burned out the valve seats and guides?
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Old 03-30-2001, 01:35 PM
stingrayj72 stingrayj72 is offline
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Leaded Fuel in '73 429?

Don't know why nobody has answered you. I am confident in believeing that it is a unleaded motor. In 1971 Ford and Chevy started dropping commpression and power thereby allowing for unleaded fuel. Chrysler did the same in 72. I have a 73 429 myself by the way.
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Old 03-30-2001, 01:35 PM
 
 
 
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