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Old 06-22-2013, 08:44 AM   #23
donut
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Join Date: Aug 2009
Location: S.C.
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Re: originally equipped with catalytic convertor?

Simple check, does the gas gauge say "unleaded fuel only"?
I believe '87 did have cats, but I may be wrong.
My '86 C-30 carb did not, but it is set up (factory) to run leaded gas if I choose.
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'86 C-30 dually, 454/tbh400
'73 K-20 350/350/205 (sold )

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