Technical > Spud Miller's Cave

Nitro Questions

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masracingtd1167:
I am seriously thinking about the change over to nitro with my car . I plan on doing it this winter but I have a lot of questions . I know I have to drop my compression to ? How about valves I use titanium valves are they ok or should I use something else What would be a good time to call you I have too many questions to type . Thank's Bill

Spud Miller:

 Hi Bill,

 It all depends on how much nitro you want to run...which depends on how fast you want to go...which depends on what equipment you have already.

 The best, most efficient plan for working with me these days is to complete one of my questionnaires:

http://fuelinjectionent.com/questionnaires.htm

 ...email it in along with your desired goals for performance. I can help you figure out how much you'll need to run to get there and then what'll need to change and how much to change it to do it safely. I'll shoot you back an email with a couple of proposals for an appointment on the phone so we don't play phone tag (I'm always on the phone already it seems).

 Then I'm up to speed with your stuff when we do talk, and we keep phone time to a minimum.

 For light loads, 12-13:1 works ok if the cam is big (duration/overlap). Titanium valves are just fine.

 I hope to work with you soon!

ricardo1967:
Spud beat me... anyway, I was going to refer to the very informative "Spud's Nitro Notes" at http://fuelinjectionent.com/.

longm1958:
Spud,
What exactly is a light load? 20-30%  ? Or more?  I have been told that 20-30% really isn't gonna do too much for performance. Is this correct?

Spud Miller:

 Anything under 35% is light in my opinion...not a whole lot needs to be done to a methanol car to run that.

 You'll notice a big difference. The only folks who don't are the ones who richen it up so much, it cancels out the benefit of the nitro.

 

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