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Old 12-02-2004, 04:35 AM   #1
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Post OS CVR replacement piston and sleeve

Hello guys, my OS CVR is due for a rebuild i am looking towards two alternatives replacing it with the duratrax piston and cylinder assembly or the dynamite assembly.

Are the piston and cylinder above better than the original OS CVR units? Any other suggestions apart from replacing motors.
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Old 12-02-2004, 05:12 AM   #2
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Sorry,Bro. What's wrong with SUBARU?
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Old 12-02-2004, 05:55 AM   #3
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Sorry,Bro. What's wrong with SUBARU?
Nothin man ur subby is nice
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Old 12-02-2004, 06:02 AM   #4
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Quote:
Originally posted by FUK_WRX
Nothin man ur subby is nice
You don't like SUBARU?
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Old 12-02-2004, 06:26 AM   #5
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You don't like SUBARU?
I may consider her
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Old 12-02-2004, 09:56 AM   #6
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first off i hope you mean os 12cv, not cv-r. nobody makes a set for the cv-r but os......i've never seen the dynamite piston set.. you sure it exists? i know duratrax makes one and it is fine.... especially for $20
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Old 12-02-2004, 11:23 AM   #7
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Quote:
Originally posted by dino.tw
You don't like SUBARU?
I like what's infront of the Subbie
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Old 12-02-2004, 12:23 PM   #8
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I don't think Duratrax makes one for the CV-R, just the CV.

Also you'll find a mixed response on these sets. I personally have used two sets and find it a VERY good alternative for $20 as opposed to the OEM from OS for ($89 was it? $69?) Never had problems . . . . .

Problems like (I've heard) the chrome plating chipping off in a short time. Problems like them losing compression very quickly. Many also claim the tolerances are poor and not good enough for racing.

Like I said I've used them twice, most recently on my wife's OS and the compression came back nice and strong and it runs well.
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Old 12-02-2004, 02:23 PM   #9
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Default Re: OS CVR replacement piston and sleeve

Quote:
Originally posted by FUK_WRX
Hello guys, my OS CVR is due for a rebuild i am looking towards two alternatives replacing it with the duratrax piston and cylinder assembly or the dynamite assembly.

Are the piston and cylinder above better than the original OS CVR units? Any other suggestions apart from replacing motors.

Hey FUK_WRX,

Email me please, tried to email u a while ago but email came back!

Anyway about your CVR get an mspeed piston liner set and conrod from Christian.

(I told u nitro is better )
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Old 12-02-2004, 04:34 PM   #10
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what is the website for m speed?
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Old 12-02-2004, 04:50 PM   #11
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Not sure about website but this place here in australia sells them http://www.racefactoryrcp.com/.
They should be able to give u a web site if mspeed have one.
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Old 12-02-2004, 04:57 PM   #12
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thanks .... man you guys pay some serious money over there for parts ... i all most fell out of the chair
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Old 12-02-2004, 11:25 PM   #13
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Hey, KHB makes some piston/liners for the O.S. .12 CV-R and .15 CV-R. Either graphite or copper piston and silver sleeve, no idea what difference the graphite will make...Probably cause bad balance.

Take a look:

http://www2.towerhobbies.com/cgi-bin...?&I=LXGRN4&P=7

http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXGRN7



Lucky me, duratrax make a true ABC sleeve/piston kit for my .12 CV for just $19.99, the bearing replacements are also 1/4 the cost
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Old 12-03-2004, 03:10 PM   #14
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Default

Quote:
Originally posted by tallyrc
first off i hope you mean os 12cv, not cv-r. nobody makes a set for the cv-r but os......i've never seen the dynamite piston set.. you sure it exists? i know duratrax makes one and it is fine.... especially for $20
Hey dude as far as im concerned the CV and CVR have identical blocks i opened them up at work yesterday and they were the same only the CVR had diffrent shaped carvings on the cylinder

correct me if im wrong....

So does the duratrax one better than the original O.S.
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Old 12-03-2004, 03:20 PM   #15
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Default Re: Re: OS CVR replacement piston and sleeve

Quote:
Originally posted by shiston
Hey FUK_WRX,

Email me please, tried to email u a while ago but email came back!

Anyway about your CVR get an mspeed piston liner set and conrod from Christian.

(I told u nitro is better )
Hey shits i have not heard or seen you in the track lately dude whats going on? email me at [email protected] just having a break with electric but i will be racing both in the summer nats in canberra.

Regarding the M-Speed stuff christian is lending me his full house M-Speed OS CVR i heard this thing is a JP sniper i guess itwould be paying that much for a engine. Im doing a hybrid for my NTC3 here a peek but mate so far so goood specially the trak results
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