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Old 03-25-2008, 12:00 PM   #1681
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What's the hot .12 for this season?
I would have to say the MMRBR3. It is very fast, good on fuel consumption, and durable. Good combo.
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Old 03-25-2008, 12:17 PM   #1682
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Firstly,

I Love this thread, just reading through it is amazing. As we all know we have local guys at the tracks that always claim one motor is better then the other. It seems like it is unaminous that everyone agrees Murnan/Grinder knows what hes saying and doing, which finally is a welcome sigh of relief in this hobby!

Second,

The Copper Battery Tray weight for the NT1, what performace gains/impacts does this have on the car?

Thirdly,

What is your ranking for best .12 motors on the market today for Short & Long Tracks. Money no option and or best bang for the buck.

Thanks for all your input and looks like I know where I am buying my motors from, from now on!
The brass battery tray allows you to lighten your car with things like Ti Pivot balls, light weight drivetrain, etc... and lower your CG while making the required 1725 grams for competition.

I noticed on my RRR that the car was easier to drive after I made these changes. Laptimes were faster too.


I would say for a large track the MMRBR3 is tough to beat. It has good bottom end, and seems to have a 3rd gear down the backstretch. It is also good on fuel consumption.
The MM Red Dot, and the MM+12 are also a great short track engines. They both have good bottom end. With the right pipe they are good for big tracks too. The same goes for the R3, with a pipe like the RB2611 the engine has gobs of torque. I usually use the RB 2604 for the larger tracks. Sometime the Novarossi 2630.
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Old 03-26-2008, 08:58 AM   #1683
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Sigh.... I have none of the above motors mentioned. But I like what i got and looks like I am getting pretty good life on them. Mega DS2 and Mega MF, both still gotta a lot of pinch left but got get a new con rod before the season starts up again, now a Max XL3 engine with 2602 pipe has just been added for this year. that motor pipe combo good for larger or smaller tracks?

Have to admit, couple of the guys had the red dot going last year and man they were fast lotsa tourqe!! But didnt seem to last too long, but for the money who cares!

I am a horrible tuner though which doesnt make life any easier, grinder any chance you wanna re-locate to Ontario for this summe niro season..LOL!!
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Old 03-26-2008, 03:03 PM   #1684
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Default RBR3

I need to get a replacement rod for the RBR3 as a spare. Is this rod also the same as the Novarossi 07601 rod? The reason I ask is that the RB rod is more expensive, but looks to be the same rod as the 07601.
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Old 03-26-2008, 03:27 PM   #1685
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Probably an 07602
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Old 03-27-2008, 04:31 AM   #1686
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Probably an 07602
I think you might be right Scott.........I'm to lazy to look at the parts list..
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Old 03-27-2008, 06:11 AM   #1687
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I need to get a replacement rod for the RBR3 as a spare. Is this rod also the same as the Novarossi 07601 rod? The reason I ask is that the RB rod is more expensive, but looks to be the same rod as the 07601.
Hi. The rod is very similar to the Novarossi 07601. The two rods are interchangeable. The 07602 is only for the 353.

Thanks, Uriah
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Old 03-27-2008, 08:08 AM   #1688
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Thanks for the info Uriah. I'm looking forward to trying out your MMRBR3 beast!! Getting ready to break her in..............I just have to be patient and take my time before putting the hammer down.
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Old 03-28-2008, 04:10 AM   #1689
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Hi Uriah,

This method for break in (http://murnanmodified.com/breakin.php) is correct for a Sirio CL7 R STI?

thanks in advance
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Old 03-31-2008, 11:47 PM   #1690
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uriah ygpm.
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Old 04-05-2008, 05:47 PM   #1691
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Uriah---I sent you a PM.
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Old 04-06-2008, 07:13 AM   #1692
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Hi Uriah,

This method for break in (http://murnanmodified.com/breakin.php) is correct for a Sirio CL7 R STI?

thanks in advance
Yes, this method also works for the AAC engines.
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Old 04-07-2008, 06:24 AM   #1693
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Uriah,sent pm
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Old 04-07-2008, 07:13 AM   #1694
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Grinder >> Do you have Novarossi 2630 Tuned Exhaust with Short Manifold in stock?
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Old 04-07-2008, 07:18 AM   #1695
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Grinder >> Do you have Novarossi 2630 Tuned Exhaust with Short Manifold in stock?
Yes. I do.
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