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Old 09-19-2007, 05:26 PM   #1
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Default What Glow Plug?

i have the o.s. v-spec with the p3 plug. i want to switch from 20% to 30% nitro. should i use a medium plug or use the p3? if i have to use a medium plug, what do you guys will recommend?

what 30% fuel are you guys using with good performance?
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Old 09-19-2007, 06:06 PM   #2
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look here http://www.outlawrc.com/glowplugs.htm

maxy fuel,sidewinder,mugen,byrons,odonnell,there all good
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Old 09-20-2007, 06:35 AM   #3
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http://www.bmainhobbies.com/index.ph...83544c24bdf853

Thats the fuel I use and I love it. Its got a little more oil (11%) than most race fuels but still delivers great performance. For the V-Spec I prefer the P3 plug in most cases. The P4 and P6 plugs are a little colder you might be able to tune a little more top end using them but your going to lose the idle all day quallity the P3 gives you.
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Old 09-20-2007, 06:50 AM   #4
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P3 or an OD97T
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Old 09-20-2007, 09:59 AM   #5
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I would stick with either the OS P3 or the OD97T as for fuel O'Donell, Werks and Sidewinder are all good. But I would recommend going with one that easily obtainable at your local track or other tracks you visit.

Later,
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Old 09-20-2007, 11:32 AM   #6
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Another vote for either the O.S. P3 or O'Donnell 97T. I just tried a 97T after using P3s up to that point, and the plug worked great. Supposed to be more durable than the P3 as well. We'll see what happens if I run out of fuel on the throttle next time. I usually smoke P3s when I run out of fuel, which prompted me to try the 97T.
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Old 09-20-2007, 09:03 PM   #7
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Anyone know if you can run standard RB glow plugs in standard button novarossi engines?
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Old 09-22-2007, 03:28 PM   #8
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thanks guys. do you guys put another extra head shim on the o.s. v-spec when you switch from 20% to 30%?
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Old 09-22-2007, 04:54 PM   #9
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the rule of thumb is add one shim for every 10% more nitro mix.

BUT.... motor dependant, others have just went to 30%, re richen the needles and re run the breakin period for 2 or 3 tanks of fuel. then re tune to suit.
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Old 09-22-2007, 05:03 PM   #10
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OS P3, OS P4, or OD97T plug. I am currently using the OD97T's in my V spec.

Personally,I am running Byron's. That is strictly based on cost for me though. I get it cheaper than retail because I work in a hobby shop and it doesn't sell what I want to run. If I was paying full price for my fuel and it was more readily available locally, I'd still be running Werks fuel.
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Old 11-30-2007, 11:13 PM   #11
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i also dont know if i need a new plug or not, i have a 28cxp motor in my buggy, i used to have it on 16% but then had it re-tuned on 20% they did not replace the plug, and i havent tuned it right yet, what plug should be in it..
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Old 12-01-2007, 12:33 AM   #12
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The V-Spec is shimmed for 30% fuel out of the box. You can add the included shim for the break-in period to help reduce wear on the conrod, but once break in is done, take the shim out and go nuts!
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