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Old 08-24-2006, 10:36 AM   #31
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Still running a little rich and getting stronger. I'm really happy with the workmanship and power. I hear they're working on new stuff too. Can't wait to see what's next. Can't go wrong with the Zeppin!
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Old 08-24-2006, 12:28 PM   #32
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Quote:
Originally Posted by rskoncepts
Still running a little rich and getting stronger. I'm really happy with the workmanship and power. I hear they're working on new stuff too. Can't wait to see what's next. Can't go wrong with the Zeppin!
Are you making the five minutes mark per tank??
How much fuel do you have left?
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Old 08-24-2006, 12:57 PM   #33
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Quote:
Originally Posted by OVA
Are you making the five minutes mark per tank??
How much fuel do you have left?

I make the 5min marker with mine and have a splash of fuel left, but I slapped a CD3 tank in my car and now can get close to 6 min


Cheers,
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Old 09-05-2006, 11:59 AM   #34
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Default OS 18 is stout

I put an EB mod 18 tz in my pro mod dragster. This is a .21 class but I'm thinking the .21 has too much power for the weight so I went to an .18. I broke it in 3 10 minute periods just like the instructions said. Kinda worried me because I like to get a half gallon of fuel through an engine before I run it at the strip. It took 2nd place its first race. If I hadn't been hacked severely in the previous round I would have taken the win. The car started out at 2.41 seconds and by the end of the day had worked down to a 2.20 second ET at 58 mph for the 132 ft strip. No blown plugs running on 25% where the rest were running 55%. Took the motor apart as I always do after a race and there was no deposits or anything inside. Everything looked brand new. I didn't touch the needles all day only adjusted on the pipe length and clutch. It does the 6 ft in .347 seconds. Very comparable to my .21 powered rail. This motor has plenty of grunt and top end. I've been using Novarossi but I'm switching over to OS. Just bought a .12 TZ for my sprint car. Get some corrosion-x and use that for afterrun. You'll be amazed at how free it makes the crank bearings. Clean them up with B-12 chemtool to get all the gum out then spray with corrosion-x. Spin the crank before and after and you'll see the difference. Doesn't eat o-rings or do any damage. Their speed-x product is great for 1-way bearings. Its really for skateboard wheels but its the best 1-way lube I've found.

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Old 09-05-2006, 02:17 PM   #35
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Just funnished the running in of my zeppin 3port tz.

Does any one know what the recommended running temp. is for this engin?
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Old 09-06-2006, 12:23 AM   #36
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Running a little rich left me with more than a few drops left in the tank. Maybe about a 5:30 motor. This was on a wide open layout for our track. Motor never went over 220 after leaning it a little bit more. Top needle is a little below 2 turns out. Maybe about 1 11/12. Had to adjust my clutch between heats because it started to spin the tires coming out of the turns.
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Old 10-06-2006, 01:17 PM   #37
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The engine is not available at rc-mushroom anymore.

Anyone kept pictures of the modified pieces that mushroom had displayed?
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Old 10-06-2006, 01:26 PM   #38
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Quote:
Originally Posted by gtrmx
The engine is not available at rc-mushroom anymore.

Anyone kept pictures of the modified pieces that mushroom had displayed?
Yo las tengo, donde te las envio

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Old 10-09-2006, 12:45 PM   #39
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Thumbs up About Zeppin racing 12TZ3... GR racing

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Originally Posted by afm
Yo las tengo, donde te las envio
AFM
Lima-Peru
Dear, Sirs.
It is tuning engine of Korea's GR racing.
Hong-Kong is our agency.
Contact: [email protected]
web: www.grracing.co.kr
Thank you.
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Old 10-09-2006, 07:45 PM   #40
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can anyone post pics of just this motor
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Old 10-09-2006, 08:13 PM   #41
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Quote:
Originally Posted by mugenb46
can anyone post pics of just this motor
The Zeppin is made by Gr racing in Korea, somebody posted this link in the G4 thread showing his engine...go here

http://pds11.cafe.daum.net/download....d&dncnt=N&.JPG

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Old 10-09-2006, 11:00 PM   #42
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wow thats a lot of cuts in the back of te crankshaft

are they all required ??
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Old 10-10-2006, 11:21 AM   #43
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That Crank is Mad
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Old 10-10-2006, 05:06 PM   #44
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Quote:
Originally Posted by Chris Kim
Dear, Sirs.
It is tuning engine of Korea's GR racing.
Hong-Kong is our agency.
Contact: [email protected]
web: www.grracing.co.kr
Thank you.
hey Chris can you please reply to you pm i wnat to buy the os tr crankshaft from your website. Thank you
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Old 10-10-2006, 10:46 PM   #45
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Default hmm

wonder if it makes time
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