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Why does it not hit strong

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Old 10-22-2011, 02:09 PM
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Default Why does it not hit strong

Well im on a 100 shot now went back down, on the 100 shot it just doesnt hit hard at all its more like a 25-30 shot. The bottle pressure is about 900psi i have a bottle heater the solenoid works properly i pulled the hose off after the solenoids and sprayed it. The hole on the nozzle is facing the right direction. The only thing i can come up with is could it be running lean. The car runs perfect on motor and i have a tune for nitrous as well for a 100 shot. I dont know if i should back down even more to a 75 shot and see how it pulls then. I think if it pulls harder then it would have to be fuel.
Old 10-22-2011, 02:18 PM
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it could be too rich or too lean..
what jets are you using?
how do your plugs look?
Old 10-22-2011, 03:15 PM
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I have to put this on the dyno and get a/f. I havent checked plugs yet ill pull 7 or 8 out and check it.
Old 10-22-2011, 03:24 PM
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whats your jetting?
Old 10-22-2011, 05:39 PM
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im using .048 according to them thats a 100 shot. Im going to have my #8 plug removed on wed to see what it looks like. I think within the next 2 weeks i really need to put it on the dyno and get a/f as well. Now a days there charging 150 to dyno a car with a/f readings.
Old 10-22-2011, 07:51 PM
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actually i went out there and took it down more to 75 shot so a .042 jet. If it hits hard on this jet then i should be running lean on the higher jets.
Old 10-22-2011, 10:28 PM
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Ok on the way home tonight the 75 shot was wayyyyyy better then the 100 shot. All i did was disconnect the hose right at the jet and sprayed it to see if it worked maybe it also cleaned the line out i dont know. The 75 shot is way better ill go back to the 100 shot and see how it is maybe it was a dirty line or the a/f is better with the 75 shot even thought i have a tune for a 100 shot.
Old 10-23-2011, 08:31 AM
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Put the $150 towards a wide band???
Old 10-23-2011, 11:03 AM
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were can i find a wideband for 150. I found a company that sells a wideband with the gauge for 299.00 but kinda up there. Will this one work ?
http://www.google.com/products/catal...d=0CFgQ8wIwAw#

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Old 10-23-2011, 11:26 AM
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thunder racing has them for 200
Old 10-23-2011, 11:58 AM
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would summitracing have them as well, i have credit through them. Can someone send me a link or part number if they do, please. I did a search and 10+pages popped up not sure which will work that has the gauge as well.
Old 10-23-2011, 12:25 PM
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http://www.summitracing.com/parts/AVM-30-4100/
Old 10-23-2011, 12:51 PM
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Thanks guys i just ordered it through summit appreciate all the help. Im going to probably get this and the nitrous pressure gauge and put both on a pod so i can keep an eye out on things better from the drivers seat. Not to be a PITA what nitrous pressure gauge can i buy to use on a pod i have one on the bottle but would be nice to hook one up were i can see it from the drivers seat.
Old 10-23-2011, 08:50 PM
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not 100% but i think this is what your lookin for.

http://www.nitrousexpress.com/produc...ils.php?id=244
Old 10-23-2011, 11:53 PM
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Thanks hodge9386, appreciate the help. Once i get the 02 readings i can send it and let my tuner know so he can dial it in.
Old 10-24-2011, 02:20 AM
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i just realized this is a DRY shot?
see, if it was a wet shot, you would be able to mess with the fuel yourself with out having to see your tuner...
Old 10-24-2011, 07:44 AM
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Fuel psi is, when the shot hits??
I see no mention of bigger injs being part of the mod list....
Old 10-24-2011, 09:30 AM
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I have ford svo 30lb injectors that i have not yet installed. After i find out the a/f and see if its running to lean ill go ahead and install them. Most i want to run is a 125 shot dry but i think im gonna have to install the injectors still even at that.
Old 10-25-2011, 08:21 AM
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Instead of running it lean, taking a chance on toasting it, maybe install the new injs, and then tune from fat to lean, instead of the other way??




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