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Old 02-28-2005, 09:01 PM   #1
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Default which motor for mrx4

hey guys, just got the ok from the better half that I can get a mrx4, its going to cost me big time with her but it will be worth it.
I would prefer an RBconcepts but not sure which one any suggestions from the 1/8th guys thanks in advance Peter
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Old 02-28-2005, 09:14 PM   #2
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I just got my MRX-4 and I went with OS, this is my first 8th scale car and I want to learn to drive it well I can go fast later, I am saying OS is not fast, but it has more of a easy driving feeling. And I don't get nervous from all that power. If your a first time driver like me go with OS.
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Old 02-28-2005, 09:19 PM   #3
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Quote:
Originally posted by gijoe64
I just got my MRX-4 and I went with OS, this is my first 8th scale car and I want to learn to drive it well I can go fast later, I am saying OS is not fast, but it has more of a easy driving feeling. And I don't get nervous from all that power. If your a first time driver like me go with OS.



yeah.os is fast also.but not as fast as JP or NOVAROSSI la.but fast enuff for me.i u want speed form an os engine,lean the bugger
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Old 02-28-2005, 10:22 PM   #4
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Default Re: which motor for mrx4

Quote:
Originally posted by Speedypeterb
hey guys, just got the ok from the better half that I can get a mrx4, its going to cost me big time with her but it will be worth it.
I would prefer an RBconcepts but not sure which one any suggestions from the 1/8th guys thanks in advance Peter
RB stocker is good engine to learn or if you are inclined to spend more coin you could go with the Rody tuned one.

Now if you are full of cash you could get the JP R0-3 fastest .21 I have ever seen
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Old 03-01-2005, 04:39 PM   #5
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Now if you are full of cash you could get the JP R0-3 fastest .21 I have ever seen



thanks guys, but will that jp last as long as the rody, I've heard the jp and rex don't have the longevity and i plan on running one motor for a while. have some cash but don't have motor sponsor like some other racers. i can't just lean that puppy and load a new motor for the mains. but i do like to have the best that their is if it helps overall in lap times, there's nothing worst than driving your best and not having enough ponies under the hood. thanks again Peter
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Old 03-01-2005, 05:28 PM   #6
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Hi,

How about a Rex321P. I have one NIB. Let me know if your interested.

Thanks
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Old 03-01-2005, 06:29 PM   #7
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We are running a Rody C5, ran over 700 laps in Florida at the Full Throttle Race, The car was second qualifier and finished second against a fast bunch. The motor is strong - replaced the rod and I bet we'll run well over 6 gallons in this motor by year end. Plenty of punch, good top end and the motors are very well built. The C5 would be a great choice.
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Old 03-01-2005, 08:18 PM   #8
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I have a RB C4 with a brand new RB 9886 polished pipe & header. Engine still has good pinch going over TDC, no pits in combustion chamber, bearings smooth, about time for a new rod.

$225.00 shipped, Paypal OK

Pm your e-mail for a picture.
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Old 03-01-2005, 08:44 PM   #9
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If money is no option this is the best on-road engine out there
L. Collari WRXLC21GT
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Old 03-01-2005, 08:45 PM   #10
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isn't the RB C-4 an off-road .21?

Peter,

get a serpent mega .21 engine. they are inexpensive, have been proven already, and have local support from Serpent USA.
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Old 03-01-2005, 08:52 PM   #11
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It's a 1004-C, The "C" is for Circuit.

A 1004-B is the offroad version, "B" is for buggy.
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Old 03-02-2005, 05:39 AM   #12
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Quote:
Originally posted by Jpilone
isn't the RB C-4 an off-road .21?

Peter,

get a serpent mega .21 engine. they are inexpensive, have been proven already, and have local support from Serpent USA.
First wait until they fix the crankshaft problem......
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Old 03-02-2005, 07:11 AM   #13
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Quote:
Originally posted by M7H
First wait until they fix the crankshaft problem......
its fixed....i just got my MEGA engine back from SERPENT USA...choco
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Old 03-02-2005, 11:36 AM   #14
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Quote:
Originally posted by subman
If money is no option this is the best on-road engine out there
L. Collari WRXLC21GT
HEHEHE I still need to break in mine
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Old 03-02-2005, 11:41 AM   #15
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my friend has one of those and it's a tuning nightmare (well, for him at least)
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