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Old 08-24-2004, 03:19 PM   #31
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The JP version of the X12 is better than stock, but no where near it's potential. The JP X12 sleeve is good, but the crankshaft is pretty plain. It has a turbo scoop and a couple of minor mods to the crankshaft, but there is absolutely no increase in timing. JP lightens the crank a little and puts a fuel ramp to fill the hole where the metal was removed. Yes, better but not best.
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Old 08-25-2004, 07:37 AM   #32
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Uriah, are you getting good results modding the X12? Is that the fastest 3 port around now?

Thanks
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Old 08-25-2004, 07:58 AM   #33
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From what I have seen it's very fast and last a long time. Some others are just as fast, but wear out faster (mcp). I guess we'll see next week at the nats, where I am sure there will be no shortage of fast motors.
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Old 08-25-2004, 08:22 AM   #34
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Do you like it better than the RR L3 and the NSR? It will be interesting to see the results at the nats. I assume you are going. What engine will you be running?
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Old 08-25-2004, 11:47 AM   #35
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When people say that the RR L3 is for shorter tracks how short do they mean? Would you consider Ft. Meyers a short or long track? I think I am racing on a short track but I don't have much to compare it with.
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Old 08-26-2004, 08:31 PM   #36
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got my x12 today well rodered it should be gettin it by tuesday $285 shipped lol
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Old 08-26-2004, 09:01 PM   #37
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If the ts12 is the same as the ns12, and the ns12 is the same as the x12 , why buy the x12? Just curious.

The ts12 is only 219 at nitrohouse.
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Old 08-27-2004, 01:29 AM   #38
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the X12 IS faster, dont know why dont know how.
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Old 08-27-2004, 01:06 PM   #39
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Quote:
Originally posted by Johnnytc3
If the ts12 is the same as the ns12, and the ns12 is the same as the x12 , why buy the x12? Just curious.

The ts12 is only 219 at nitrohouse.
frome evrone i asked htey said the x12 is the fastest and most reliable engien which beats turbos.. the ns12 is al il slower on top end and less rleiable
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Old 09-02-2004, 12:16 AM   #40
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Default Needle settings on X12

What are the neddles setting on X12 for breakin in?
I opened the box and found out that the mid range needle was not flush, needle was way screwed in.

HSN was 5 turns out, LSN was 4 turns out.

are these settings suitable for break in? how about the idle speed?

if this engine exactly the same as NS3, why even bother to pay more money?? i also don't know why i pay more for this engine.

thanks for your help.
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