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Old 08-30-2018, 01:56 PM
Verdoro 68's Avatar
Verdoro 68 Verdoro 68 is offline
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Valvoline VR1 + STP oil treatment for some extra ZDDP.

Pump 91, sometimes cut with 110 or Race Gas additive when I'm going to drive the car hard.

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'68 GTO - 464 - Ram Air II heads - 236/242 roller - 9.5” TSP converter - Moser 3.55 Truetrac (build thread | walk around)
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Old 08-30-2018, 10:11 PM
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Simple Man Simple Man is offline
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Quote:
Originally Posted by Verdoro 68 View Post
Valvoline VR1 + STP oil treatment for some extra ZDDP.

Pump 91, sometimes cut with 110 or Race Gas additive when I'm going to drive the car hard.
I use Valvoline 10W-30 in the 68 GTO, the 70 Mach1 and the 84 F150 with a can of STP for each. The 2011 F150 gets Pennzoil 5W-30 Synthetic, or synthetic blend.


Only fuel additive is STP injector cleaner once a year.

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