"New Guy" Question: Lead or No Lead

Discussion in 'General Maverick/Comet' started by PAMaverick, Nov 10, 2008.

  1. PAMaverick

    PAMaverick Member

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    Just acquired a '73 6 cyl 250 Maverick in great condition.
    Question: Will '73s burn Unleaded gasoline, or do I have to add Lead? This is an original car with no Mods.

    Thanks for your help in advance
    Phil
     
    PAMaverick, Nov 10, 2008
    #1
  2. mean_maverick

    mean_maverick Senior Member

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    it'll burn it. i run unleaded 89 octane in my '73 302 car with no problems
     
    mean_maverick, Nov 10, 2008
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  3. newtoford

    newtoford Member

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    ya you'll be fine
     
    newtoford, Nov 10, 2008
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  4. don graham

    don graham MCG State Rep

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    Unleaded is okay.:)
     
    don graham, Nov 10, 2008
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  5. bradleygt

    bradleygt Member

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    if you drive it more than 8000 miles a year id change the valve seats or swap a newer motor in that bad boy

    brad:)
     
    bradleygt, Nov 10, 2008
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  6. PAMaverick

    PAMaverick Member

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    Lead or NO Lead

    Maybe I out-thunk myself on this one. I have old '66 car that I have to add lead to each tank of gas and since the Maverick was built before the UNLEADED requirement, thought you'd have to do the same thing to it?
     
    PAMaverick, Nov 10, 2008
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  7. Mavman72

    Mavman72 Gone backwards but lookin' forward

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    The lead helps lubricate the valves/seats so they dont get worn out...Unless your engine sees alot of high RPM/heavy load usage you wont need to worry about the lack of lead.
     
    Mavman72, Nov 10, 2008
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  8. CaptainComet

    CaptainComet Large Member

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    The original 302 motor in my '72 Comet went 140K miles (70K by me) before I cracked a piston. It was driven pretty hard,too. Never had a valve job, and unleaded gas with no additives. I am second owner (since '92) and I doubt the original owner used any additives either.
     
    CaptainComet, Nov 11, 2008
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