Nitrous and gearing? - Ford Powerstroke Diesel Forum
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Old 09-03-2010, 07:39 AM
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Nitrous and gearing?

I'm gonna be racing 2-3 trucks at the track soon. One I've already beaten in Mexico. One I know I'll beat since they typically run mid to high 14's. But the other has run a very best of 13.7, with some low 14's.....
So, I'm concentrating on the last one. Studs won't happen anytime soon, so I'm wondering if you think it's a good idea to have a 50 shot readily available should I see him pull on me half way down the track? Do you think spraying this one time would hurt my non-studded motor?
I run my xtreme tune daily, and run it hard at times. Still going strong.
Will I gain much spraying without modifying the fuel system? Is there still fuel available for the mix?
I already have the kit, btw.

What about gearing? Is there anything that could help me slightly at the track, yet not affect my mpg's as a daily?
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Old 09-03-2010, 07:52 AM
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If you change gears there is no way to avoid a mpg loss....unless you also get a gear vendors od.
I dont think I would use nos on a non studded truck unless I had it lined up to get them put in right after.
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Old 09-03-2010, 08:09 AM
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But if I chose to hit the button for the last 5 seconds of the 1/4, would there be fuel for it in my tune?
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Old 09-03-2010, 03:18 PM
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No one sprays on the stock fuel system?
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Old 09-08-2010, 03:00 PM
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Well, I put this together for about $200 with new parts.........








Hmmm, I think I'll start with a .030 and see what happens.

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Old 09-08-2010, 03:18 PM
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For what a shop would charge you to regear you would almost spend as much money as having studs installed...
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Old 09-10-2010, 08:53 AM
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[QUOTE=Texas~KR;2066033]
Hmmm, I think I'll start with a .030 and see what happens.
QUOTE]

Video please
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Old 09-10-2010, 09:22 AM
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you can spray up to a .086 jet on a stock fuel system assuming you fuel pump is healthy.
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Old 09-10-2010, 09:50 AM
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Yea, I read about that, but I'm still on stock studs and just want a 2-3/10th gain in the 1/4. It wouldn't be a mod that I'd regularly use until I get studded.
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Old 09-10-2010, 10:52 AM
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What is the hp to jet size ratio? How much power difference between the .030 and .086?
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