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proper fuel

Started by glenn brady, May 03, 2006, 10:18:16 PM

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glenn brady

May 03, 2006, 10:18:16 PM
I own a 72 Eldo with 97K miles. 500 V8. What is the proper fuel to run in it ? The prior owner told me 1 tank hight test, then 1 tank normal (87) octane.

Someone else told me I needed to add a leaded addititve.

denise 20352

#1
May 04, 2006, 12:56:02 PM

  87 octane unleaded is fine.  In the summer, with the air conditioner on, you might want to use 89.  Any more octane is just a waste of money.

-d

Rusty Shepherd CLC 6397

#2
May 07, 2006, 10:58:46 AM
Also, you will definitely not need a lead additive.  All 1971 and later GM engines were designed for unleaded gasoline.
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