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Old 06-18-2007, 06:35 PM   #1381
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Default Murnan Modified 359 at 301!

Hello all,

I was running a Murnan 35 Plus 21 at 301. I ran this same motor 4 weeks earlier at the RC Pro Series at 301 and ran a few 19.95's. Well after practice and the 1st day of qualifiers, I ran several 19.9's and all low 20's. Car was same setup as 4 weeks earlier except I had a better idea on tire size and gearing. I was hoping to do some 19.7's, but never got that before sucking a couple plugs and hurting my motor. Uriah let me borrow his 359 mod and I was very pleased! After tuning, and poor driving on my part, my 3rd qualifier on day two was balistic but my tuning was off and I ran out of fuel on my 15th lap. It was about a 15 lap 5:10 pace. After more tuning, I easily made 5 minutes and in the main, I came in at 5:10 before my mistake. I ran a few 19.7's with that motor and nothing was changed on the car. I had a great main until my brain fart and I missed my pit window. In the main, I ran a 19.6 and my overall lap times were better by about .2 - .3 tenths on groups of consistant laps.

I love both motors, but IMO, the 359 is smoother. All my clutch setting were the same for both motors, same fuel (Rocket Science), same tire size and gearing. The 359 has less torque out of the corners, but I made my time up in those areas because I wasn't spinning tires as much as the 35 Plus 21. The car seemed slower but, the car was accelerating down the track quicker since the power band was smoother. Not to say the 359 doesn't have torque, but the 35 Plus 21 is has crazy torque. The top end of the 359 seemed stronger than the 35 Plus 21, but that was hard to tell.

Since I was on 37 Kyosho tires, my thoughts are the 359 was better for those tires. I probably could have controlled tire spin by softening the clutch(why) or go to 35 Kyosho tires to run the 35 Plus 21. Tire wear would then be high and a possibility of traction rolling. Uriah ran 35 and didn't roll, and he makes look real slow at times, so I probably wouldn't roll either.

Overall, both motors are super sick!!!! I believe I prefer the 359 at this time due to the smoother feel and how I set my car up. I like both, but you can't go wrong with any of Uriah motors.

Thanks for your help Uriah, a new 359 is needed for GLC baby!!!
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Old 06-19-2007, 09:38 PM   #1382
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Hey Grinder,

How about the RB Matrix engine ? How did it perform ? Thanks !
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Old 06-20-2007, 05:50 AM   #1383
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Mine ran killer at 301 !

New Broken in and ran at 230-250 all week no problems 20% Rocket Science
fuel ,the motor had more but i could'nt handle it!

Plenty of pinch the race was a killer break in now the motor is ready !

Later
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Old 06-20-2007, 10:55 AM   #1384
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i ran a murnan 35 plus 21 that was like the fastest motor at our track unitl i wrecked and it got ripped off the bottom of the block lol
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Old 06-20-2007, 01:47 PM   #1385
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That was cool to watch !!!

Glad it was not mine !

I was corner marshall.

Later
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Old 06-20-2007, 05:05 PM   #1386
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Maybe one day I'll get me another Murnan. The one I have now still rips after 4 gallons.
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Old 06-20-2007, 07:38 PM   #1387
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Pm sent Grinder
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Old 06-20-2007, 10:47 PM   #1388
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mine ripped after like 10 gallons haha and still was rippin til the sad tday
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Old 06-25-2007, 03:21 PM   #1389
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Hey Grinder and others. This is my first year with nitro and I'm currently running an OS TZ 12 3 port which I chose for it's ease of tuning.

I'm ready for some more punch so I'm looking at picking up a new .12 Murnan motor. Can you guys recommend a couple motors that will be faster than what I've got but will still be relatively easy to tune? I had my eye on the RB Matrix and JLR Red Dot. A motor that goes well with the Skyline VR12 plus pipe would be nice
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Old 06-26-2007, 03:21 PM   #1390
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any idea is the murnan mod RB R3 faster and more powerful than the mod matrix?..thinking of these 2 hotties or the nova....pls give some advice...thnks

think the EB mod dun come close...wat do ya think.......
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Old 06-26-2007, 03:40 PM   #1391
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Quote:
Originally Posted by SlamMan View Post
Hey Grinder and others. This is my first year with nitro and I'm currently running an OS TZ 12 3 port which I chose for it's ease of tuning.

I'm ready for some more punch so I'm looking at picking up a new .12 Murnan motor. Can you guys recommend a couple motors that will be faster than what I've got but will still be relatively easy to tune? I had my eye on the RB Matrix and JLR Red Dot. A motor that goes well with the Skyline VR12 plus pipe would be nice
Do you think you need more bottom end or top end? Are you running on small technical tracks or on large sweeping tracks?

Just curious... what % nitro and plug are you using with your TZ?
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Old 06-26-2007, 07:16 PM   #1392
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the murnan xenon R is amazing great power throughout bottom mid and top it has it all runs great idles good its good! thanks uriah
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Old 06-27-2007, 06:06 AM   #1393
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Quote:
Originally Posted by rmdhawaii View Post
Do you think you need more bottom end or top end? Are you running on small technical tracks or on large sweeping tracks?

Just curious... what % nitro and plug are you using with your TZ?
I would say more bottom end. The home track is a parking lot and is relatively small and can be technical.

I'm using 30% Nitro with a #6 plug in the TZ. Is that good or bad?
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Old 06-27-2007, 05:43 PM   #1394
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Default 35 Plus 21 c2

I allready had 2 Murnan 35 Plus engines. great engines, still running after several races. I ordered a third, this time with the famous Murnan ceramic bearings. Uhhhhhhhh. It simply flyes!! Very impressive!. Great work Uriah. Congratulations.
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Old 06-27-2007, 06:28 PM   #1395
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Quote:
Originally Posted by SlamMan View Post
I would say more bottom end. The home track is a parking lot and is relatively small and can be technical.
Best to ask Grinder directly what motor he thinks will give you the most bottom end for your budget. His email is: uem11@yahoo.com

Quote:
Originally Posted by SlamMan View Post
I'm using 30% Nitro with a #6 plug in the TZ. Is that good or bad?
Running the TZ with 30% and #6 is just fine. I added a 0.1mm shim on mine to account for the 30% and it seems to run a bit better. Temp wise, I make sure it's in the 240-260F range. Anything lower than that and it's probably too rich.
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