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Old 12-17-2008, 12:02 AM   #1
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Default os rg .21 what pipe

what would be a good pipe for a bigger track im looking at the ofna jp pipe line.
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Old 12-17-2008, 06:16 AM   #2
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jp 2 would be perfect that motor is bottom end motor
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Old 12-17-2008, 09:15 AM   #3
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The OS 2030 pipe is made for the RG.

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Old 12-17-2008, 11:09 AM   #4
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I ran the Nova 086 pipe with short header and it was ballistic up to a 110' straight. If its a bigger track just put a 14 tooth CB on and it will run with the best of them.

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Old 12-17-2008, 11:40 AM   #5
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what kind of temps does this motor run good it is slighty moded and has the nova head on it
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Old 12-17-2008, 02:05 PM   #6
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also whats a good plug for this
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Old 12-17-2008, 02:16 PM   #7
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os#8
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Old 12-17-2008, 02:32 PM   #8
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with my rg i ran a mc59 plug. and a os2050 pipe
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Old 12-17-2008, 03:59 PM   #9
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so these are hot plugs right. when i was running 1/8 buggy i was always running mccoy 9's nevver had a problem so whats the big diff from hot to cold plugs.
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Old 12-17-2008, 04:09 PM   #10
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I would reccomend sticking with os plugs. OS plugs are short plugs, whereas plugs like the McCoy plugs are long body plugs. You can use long plugs but you have to(or atleast should) run two copper washers with it instead of the standard singl washer.
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Old 12-17-2008, 04:31 PM   #11
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just for everyone to know about mc59 plugs. i ran 2 head shims and got 8 gallons out of it.
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Old 12-18-2008, 06:05 AM   #12
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O. S. A3 plug runs great in that engine with 30%. RG runs a little hot with the stock head (250'ish). You'll have to be careful with the aftermarket head b/c it will cool much better. Tune from rich to lean and make sure you have smoke throughout the powerband and you'll be all right. I use a JP-1 with mine on short tracks, but JP-2 is probably a better choice on a little bigger track if you're sticking with the Jammin pipes.
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Old 12-18-2008, 07:15 AM   #13
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is the a3 a cold plug
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Old 12-18-2008, 12:05 PM   #14
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OS calls it a hot plug. About the same as the #8 I think, just a little warmer.
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Old 12-18-2008, 12:19 PM   #15
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so what are the pro's and con's of hot and cold plugs for this motor
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