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HP500. Reguler unleaded or super unleadedgas???? >

HP500. Reguler unleaded or super unleadedgas????

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HP500. Reguler unleaded or super unleadedgas????

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Old 04-14-2007, 03:29 PM
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Default HP500. Reguler unleaded or super unleadedgas????

what does the factory reccomened?
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Old 04-14-2007, 04:52 PM
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Regular 87 octane for stock hp500.
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Old 04-14-2007, 07:14 PM
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That's what's nice about 'em
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Old 04-14-2007, 07:57 PM
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i use 89 in my 500's, a lot of fuel today is E10, and it loose's it's octance rating quicker due to the alcohol
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Old 04-14-2007, 08:04 PM
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I have been using Super. Probably a waist? Any advantage or benifit?
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Old 04-14-2007, 08:13 PM
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93 will not burn as hot, and it costs more. Stay with 87.
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Old 04-14-2007, 08:21 PM
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if i dont use 93 mine runs alot worse. wont shut down.
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Old 04-14-2007, 08:28 PM
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Originally Posted by ninetym View Post
if i dont use 93 mine runs alot worse. wont shut down.
That sounds like a timing issue
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Old 04-14-2007, 09:14 PM
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Originally Posted by G Man View Post
I have been using Super. Probably a waist? Any advantage or benifit?


Waist= Yes... Advantage=black soot transom

Dont waste your money.
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Old 04-14-2007, 11:30 PM
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good points

thanks
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