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3Racing Sakura Zero S

Old 01-14-2012, 10:26 PM
  #1006  
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Ok guys found a point if inspection you may want to pay attention to. I destroyed the pin on the right side cv axle tonight. I was running third in a very competitive main and ended up fifth after losing the pin with two minutes to go. Had to limp it in on three wheel drive.

By no means am I saying this is a weak point on the car. I have a lot of time on my chassis and just happened to blow one out. It happens. You may want to take a close look at the cv pins when you tear down for cleaning.
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Old 01-15-2012, 10:23 AM
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Originally Posted by 6376vette
Left and right are always viewed from the drivers perspective. left = drivers side right = passenger side assuming the car is left hand drive. Or electronics = left side and battery = right side on the sakura.
Thanks, I had it right the first time.

Another dumb question on the alum shock set, does the large o-ring really go under the preload adjuster?
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Old 01-15-2012, 10:27 AM
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Not under but in it.
There is a grove in the "preload ring" as you call it.
At least if we are talking about the ring that in on the shock body.

regards Roy

Originally Posted by cannon fodder
Thanks, I had it right the first time.

Another dumb question on the alum shock set, does the large o-ring really go under the preload adjuster?
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Old 01-15-2012, 10:37 AM
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Originally Posted by Pro10noob
Not under but in it.
There is a grove in the "preload ring" as you call it.
At least if we are talking about the ring that in on the shock body.

regards Roy
Yes, that is what I'm talking about, the kit shocks say spacer on my Suzuki it is used to adjust the shock preload on the rear.

So it goes in the ring groove like a rubber grip between the knurling?
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Old 01-15-2012, 11:04 AM
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Check link http://www.3racing.hk/manuals/SAK-48%20Manual.jpg
The O-ring needs to go in the adjust ring.

regards Roy


Originally Posted by cannon fodder
Yes, that is what I'm talking about, the kit shocks say spacer on my Suzuki it is used to adjust the shock preload on the rear.

So it goes in the ring groove like a rubber grip between the knurling?
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Old 01-15-2012, 11:36 AM
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Call me blind, but I don't see it in the assembled view in that image.

Nor do I see it on the pictures on the first page on this thread:

http://www.petitrc.com/_forumphp/showthread.php?t=49861

I guess it is just something optional if it goes between the knurling.
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Old 01-15-2012, 11:55 AM
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Look at the pic.
See the ring on the right?
There is the big O-ring in it.
Attached Thumbnails 3Racing Sakura Zero S-_1_%7E1.jpg  
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Old 01-15-2012, 11:59 AM
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That clears it up, it in on the inside of the ring.
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Old 01-15-2012, 12:17 PM
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It was on the same page as you put the link from.
Scroll down and you will find it.
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Old 01-15-2012, 12:23 PM
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I must have scrolled past it when I was scanning the page, oh well.
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Old 01-15-2012, 12:49 PM
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Erhhmmmm need glasses??
I can hook you up with some

regards Roy
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Old 01-15-2012, 06:29 PM
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They may help.

I need a new set of fingers though, I forgot how much a PIA it is threading ball cups were.

I still need to notch the upper deck to fit the mount and figure out what power plant I want. I'm thinking either a 25.5 setup or a 17.5. I guess I could order another and do both.

Last edited by cannon fodder; 01-15-2012 at 06:51 PM.
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Old 01-17-2012, 05:27 AM
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So Further to our discussion about heat. I pulled the motor out and cleaned it and re shimmed it properly,

Removed the Timing ring and re geared the car 4.84

1st Qual 5min Came in at 100 Degrees F TQ time as well

2nd Qual Handed it over to a Noob who was there to watch and I watched the car for how it was pitching around the track.

That time came in at 90 F

10 min A Main - After looking at the time sheets My Car was slower than the fastest guys but having TQ meant I ran exceptionally clean in the first run

I ended up Winning that race and the Motor only got to 120F

So not that the motor is working good again I will start upping the Gearing to see where the limit is
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Old 01-17-2012, 05:45 AM
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Originally Posted by jdeadman
So Further to our discussion about heat. I pulled the motor out and cleaned it and re shimmed it properly,

Removed the Timing ring and re geared the car 4.84

1st Qual 5min Came in at 100 Degrees F TQ time as well

2nd Qual Handed it over to a Noob who was there to watch and I watched the car for how it was pitching around the track.

That time came in at 90 F

10 min A Main - After looking at the time sheets My Car was slower than the fastest guys but having TQ meant I ran exceptionally clean in the first run

I ended up Winning that race and the Motor only got to 120F

So not that the motor is working good again I will start upping the Gearing to see where the limit is
Very nice. Glad to see things cooling down finally.

FYI my motor was running at 160 no timing and a 85 degree ambient air temp when I was running a 4.0 FDR. If you are going to get to the 4.0 invest in a cooling fan. I use the dual cooling fan (in pink ) from 3racing. I can run a 3.7 on full timing and only get to 120.
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Old 01-17-2012, 05:56 AM
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Here's a pic of the fan. It cools great and fits very well. Its not that expensive either. Cheap insurance to protect the motor.
Attached Thumbnails 3Racing Sakura Zero S-1207110632a.jpg  
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