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today I started to run with the full speed, after I finished braking in the engine. I did not have a problem with smoke anymore and I was able to start the engine every time without cleenning the plug. My low needle on cat5 is 1 with r50 . On obr I had 1 1/4 with castor927. if I start...

I started to break in my cat5 .34 with the r50 kloz oil. All this time I was running OBR .34 with castor 927. I love castor 927 oil. The smoke that is prodused by Klotz r50 is unbereble. My spark plugs need to be cleaned evry time I need to start the engine. I run this engine leaner then OBR...

I run sonoco 93 octane and castor 927 for 34cc full mod. All pump gas has a 10 % methol. unless you know any without.

HI. If you say that castor 927 is good why you are not using it, and using Klotz.?

what oil are you using at 25:1? Also the car is running great, extremely fast and powerful and sounds good to me, so I am not going to change the settings yet.

Yes 380 is on the exhaust side. There is no other way to read by the plug. This is why I decided 380. that means less at the plug. I am so cautious and probably paranoied after I killed 2 engines. But the car runs great now. I use castor927 at 28:1 for obr. Very powerful. I noticed that in the...

I have L 1/32 reacher then 1 1/8. if I reach more, then the idle starts to go down. The H is 1 3/4. I whish I had some one who understands the sound with me, but I do not. I probably could lean the H if I did not accumulate the grass . I always check the temp in different spots, even though...

Ran the OBR .34cc for 3 ours with the stops for cleaning the grass and cooling for 10 min. It runs exelent. I do not see much difference in power from leaning 1/16 or reaching it. it is powerfull ether way. And it sounds good.

Thank you. It all makes sense . But I killed some plugs even being leaner. It seams that I am the only one with this problem. Could be the oil (castor 927). But OBR uses only this oil. And other people that use this oil , nobody has a problem. I will use Klotz oil for cat 5 and will see what...

Yes ,it was done . And mailed to me. I keep killing the plugs. Today I cood not start the OBR .34cc. Changed the plug and it started without a problem. I keep changing this plugs . same was with cat5 until I started to lean. But I killed it. The tip of the plug looks black with a tiny tint of...

I meant that the piston melted . I also think that I accumulated a lot of grass, and it prevented a sufficient cooling. And I have barracuda pipe. Also if you get w5 , with the 34cc , you will need to shave the bottom of the clutch housing, on the side, so the rear brake plate does not heat it.

I figured it out. too much stirring . And I had to titten the stirring spring. The play was allowing the shoft's ball catch and brake. I also lowered the stirring travel. Looks like it solved the problem. Also see my msg about the cat 5 Engine. Please let me know what you think.

No. did not have a problem with the ropes. It is important not to pull the rope many times quikly. If you go on the OBR side , and look their engine tuning video. The explain what is the correct way to start. You have to slowly bring the piston to a position and then pul to start. And do it one...

I have one on mcd w5 . I love it. the cat 5 I got from large scale. I alsow have 2 .34cc zenoa full mod by obr. The cat 5 had bad original spark plug, I replaced it. and it runs great. Now that I finished braking it , I started tuning it. I have two carbs: the stock(with the chock) and 990...

In your experience with mcd did you have a problem with the shafts braking?. I already broke 3. one right rear and 2 front right.

did you try another servo, and check the servo wire, it mite have a cut and toching something , creating sparatic servo moves. I would try another servo if there are no wire cuts. If problem continues then it is the trot chanel on the receiver .

I got a new CAT5 zenoa ful mod g340 .34cc and 990 carb (no chock) a week a go . Started to brake it. The settings where: low 1 and 1/8 , high 1 and 5/8. IT started , I had to close the idle screw completely . it ran fine. I was braking the engine , so at first vary slow, then a little faster...

5.5inch length, 4.5 inch circle . you can call large scale rc, they mite have it.

Call Outerwears rc . They will explain how to find the right size of you shocks. You measure the length and diameter and search by it on their side.

Large scale rc tolled me that it is my fault . on the cars with locking diferancials , on a jump, when the tire heats the ground , the trotle should be off. Large scale rc had all the parts, getting them tomorrow. I also send a msg to mcd . as I was just braking the engine and not jumping...