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Adding vp instead of timing retard

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Old 04-27-2014 | 01:53 PM
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Default Adding vp instead of timing retard
Thinking of adding a 100 dry shot.. My Mods are in sig... Question is could I add a few gallons of vp instead of taking 2-4 degrees of timing out?
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Old 04-27-2014 | 01:57 PM
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Not sure where your timing is at, but i'd pull a few degrees just to be safe.
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Old 04-27-2014 | 03:35 PM
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I am not sure either I'd have to contact my tuner.. Or buy a scanner
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Old 04-27-2014 | 04:16 PM
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^You need to find out.

One of the many mistakes people make is NOT taking enough timing out, even with race fuel.

Like HCI2000 said, pull timing regardless.

These LS motors don't like a lot of timing on the spray.
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Old 04-27-2014 | 06:58 PM
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Originally Posted by firehawk99
I am not sure either I'd have to contact my tuner.. Or buy a scanner
If I didn't know where my timing was at, I'd spend my money on a lingenfelter box and just pull timing then work my timing back in, instead of buying a scanner to find out where it is
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Old 04-27-2014 | 07:08 PM
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That's a good option also.. I'll look into that
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Old 04-28-2014 | 10:04 PM
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The reason you need to pull timing is because Nitrous burns the fuel faster, not because of octane required.
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Old 04-29-2014 | 11:27 AM
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Originally Posted by slow67
The reason you need to pull timing is because Nitrous burns the fuel faster, not because of octane required.
Higher octane slows the burn rate down.
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Old 04-29-2014 | 03:01 PM
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Originally Posted by ATVracr
Higher octane slows the burn rate down.
True, but aren't you one of the big proponents of low timing and cold plugs?
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Old 04-30-2014 | 10:57 AM
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Originally Posted by slow67
True, but aren't you one of the big proponents of low timing and cold plugs?
Yes, and good gas.
You will need all 3 when you get serious.

I wasnt saying he should just add high octane fuel instead of pulling timing.
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Old 04-30-2014 | 01:15 PM
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Originally Posted by ATVracr
Yes, and good gas.
You will need all 3 when you get serious.

I wasnt saying he should just add high octane fuel instead of pulling timing.
Ah, it kind of sounded like it lol. I've taken that advice and its worked well for a car that I tune on
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Old 05-12-2014 | 05:44 PM
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I run good on reg 93 12.3, on a 100oct 12.5 on 110 and 12.8 0n 112 all on a 100shot
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Old 05-12-2014 | 05:46 PM
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It's always best to pull timing and tune back into it from there to be safe. It will definitely help with not having to pull as much timing.

-Garrett
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Old 06-26-2014 | 11:13 PM
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I have the same cam you do and had it dyno tuned for nitrous recently. We set my timing to 22*. check my mods in sig. Run a wet system, its well worth it.
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