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Old 01-20-2009, 10:53 PM   #2956
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Josh,

I did find a certain size of plastic shrink wrap would fit over the openings to ward off dirt.

If you want, I can send you a couple of the older Phi diffs that built out pretty well...I won't use them. Just PM me.

When you can, buy the 08 diff and put your troubles behind.

Bill
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Old 01-20-2009, 11:30 PM   #2957
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Originally Posted by Still Bill View Post
Josh,

I did find a certain size of plastic shrink wrap would fit over the openings to ward off dirt.

If you want, I can send you a couple of the older Phi diffs that built out pretty well...I won't use them. Just PM me.

When you can, buy the 08 diff and put your troubles behind.

Bill
thats mighty kinda and i do appreciate it but i have to order the lipo holder so while im at it ill get and 08 diff.again thanks alot for the offer.
whats different exactly from the new diff to the old diff?
cheers guys
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Old 01-21-2009, 01:22 AM   #2958
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Quick Question

Do the RDX and the Phi fit 30mm zero offset tires on the rear?
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Old 01-21-2009, 10:10 PM   #2959
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Originally Posted by aus jd 2703 View Post
thats mighty kinda and i do appreciate it but i have to order the lipo holder so while im at it ill get and 08 diff.again thanks alot for the offer.
whats different exactly from the new diff to the old diff?
cheers guys
Josh,

The new 08 diff is better engineered. It has larger ring plates (smoother) and the works are more enclosed (stays cleaner). For me, the old diff was questionable for the dealing with the torque of brushless motors, the new one is more than capable handling the extra load.

Whereas, I was rebuilding the old diffs way too often (I usually did all four at a time), I got by with only a single one of the 08 diffs in my two Phi cars. In both cases, I used ceramic balls.
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Old 01-22-2009, 04:42 AM   #2960
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ok so can some one straighten this out for me. does the 08 diff have thrust balls in them? and which ceramic balls work best the old diff ones the 08 ceramic balls or another brand?
also when running short wheel base do i have to change the upper shock mounts or inner camber links? ie move them forwards 5mm? if so how?
cheers guys
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Last edited by aus jd 2703; 01-22-2009 at 05:34 AM.
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Old 01-22-2009, 06:34 AM   #2961
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Originally Posted by aus jd 2703 View Post
ok so can some one straighten this out for me. does the 08 diff have thrust balls in them? and which ceramic balls work best the old diff ones the 08 ceramic balls or another brand?
also when running short wheel base do i have to change the upper shock mounts or inner camber links? ie move them forwards 5mm? if so how?
cheers guys
The thrust bearing is an actual sealed flanged bearing, like a 12th scale wheel bearing, so you could replace the entire bearing with a ceramic one, but I don't think that's necessary.

You mount the shock tower on the opposite side that it is mounted for the long wheelbase setup. (front side).
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Old 01-22-2009, 08:10 AM   #2962
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You mount the shock tower on the opposite side that it is mounted for the long wheelbase setup. (front side).
Oops! I forgot to mention that. Good one Mike.

Yes, the old ceramic diff balls (non-metric) fit better into the spur gear holes than the new balls (metric). The metric balls are a bit tight.

Bill
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Old 01-22-2009, 11:07 AM   #2963
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Guys - When building up the 08 diff, make sure you are using the older size ceramic diff balls. You also need to make sure you are only using the outside row of holes only on the 42T diff pulley gear. You only need to use both rows when racing modified.

Thanks - Brad
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Old 01-22-2009, 07:11 PM   #2964
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Quote:
Originally Posted by Still Bill View Post
Oops! I forgot to mention that. Good one Mike.

Yes, the old ceramic diff balls (non-metric) fit better into the spur gear holes than the new balls (metric). The metric balls are a bit tight.

Bill
the holes can be drilled to 2.60mm.........

that makes the balls roll smoothly and also prevent the ring from rubbing against the pulley........
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Old 01-22-2009, 10:37 PM   #2965
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hey what belt do i need to run the stock rear diff 21t centre pulley and the super short wheelbase? cheers guys
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Old 01-22-2009, 11:13 PM   #2966
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also what the opinions of this short wheel base set up can you see any thing wrong?
cheers again
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Old 01-22-2009, 11:53 PM   #2967
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Originally Posted by aus jd 2703 View Post
also what the opinions of this short wheel base set up can you see any thing wrong?
cheers again
Josh,

Yep...you are missing the bearing holders and diff...LOL. Looks like it could be a wrong rear belt; but, I cannot quite tell. What tooth pulleys will you be using?

It would be most worthwhile for you to scan through this whole thread (all 99 pages) to get the answers to 99% of the questions you are asking. This thread has been my "bible" for Phi upgrades over the past couple years. You will not be disappointed.

The similar Australian-based thread is great for the setups used on certain asphalt tracks in your country. Simon N had a lot to say about his "standard" setups...

Cheers!

Bill
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Old 01-23-2009, 04:05 AM   #2968
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Quote:
Originally Posted by Still Bill View Post
Josh,

Yep...you are missing the bearing holders and diff...LOL. Looks like it could be a wrong rear belt; but, I cannot quite tell. What tooth pulleys will you be using?

It would be most worthwhile for you to scan through this whole thread (all 99 pages) to get the answers to 99% of the questions you are asking. This thread has been my "bible" for Phi upgrades over the past couple years. You will not be disappointed.

The similar Australian-based thread is great for the setups used on certain asphalt tracks in your country. Simon N had a lot to say about his "standard" setups...

Cheers!

Bill
Both Simon & Ari use the standard wheelbase. The set-ups both post on various threads are exactly what they run. Simons car in particular tends to be very close set up wise from track to track, maybe a spring rate here or there is all that generally changes.
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Old 01-23-2009, 04:49 AM   #2969
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ok ive spent an hours searching through this thread and i cant find the answer.
what rear belt do i need to run 21t centre with 42t pulleys and the ultra short wheelbase?
all i wanna know is which belt?
cheers
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Old 01-23-2009, 09:50 AM   #2970
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ok ive spent an hours searching through this thread and i cant find the answer.
what rear belt do i need to run 21t centre with 42t pulleys and the ultra short wheelbase?
all i wanna know is which belt?
cheers
If you leave the diff towards the back, you just use the stock rear belt.
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