Visible Power. This Mustang needs a hood scoop.

General discussions, tutorials, help, upgrades, and new info about the Xmods line of RCs goes here.
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LBRC
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Post by LBRC »

Regrettably no, hopefully the gaps in the numbers will be the necessary AWD parts. The GPM descriptions leave much to be desired for example XM041 “Alloy Front Gear Box Joint (Diff Use)” should probably be called Rear Axel Cups or something like that I haven’t a clue where they got the “Front” form but then again Lost in Translation nearly bored me to death. It should not be hard to modify the longer shaft but I’m not sure I’d want to use a half plastic half metal cup joint. The front universal and axel combo would also need to be aluminum or the pins would wear off rather quickly.
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My GPM Xmod wish list:
#1 - Because the AWD kit is one of the things that make the Xmod unique and capable of handling the super high speed mods on rougher surfaces, the steering knuckles (XM021) solve one of the major AWD steering problems but the stock front cup joints are still too weak for serious motor and battery mods.
#2 - Along with the cup joints the Radio Shack differentials just aren’t up to handling 50 mph lithium-ion/external turbo/motor mods.
#3 - Because0.6 module press on gears suck, and GPM makes all sorts of wonderful 48 pitch pinion gears we could use if we just had an assortment of 48 pitch bevel gears to use with them.
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LBRC
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Bad part update

Post by LBRC »

The front steering arms part number XM054 I recieved have the alignment for the left and right knuckel arm holes revirsed, bummer deska. :(
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hogjowlz
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Post by hogjowlz »

lol a lot of those parts dont need to be fixed imnsho.

all i think i need is knuckles and axle cups.
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LBRC
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Post by LBRC »

hogjowlz wrote:lol a lot of those parts dont need to be fixed imnsho.

all i think i need is knuckles and axle cups.
Not sure what your trying to say but, I have all of the parts and I assure you that all the front arms that came in my order are definitely bad if you look closely at the photo you will see that the holes for the knuckle arms are reversed which means that the lower knuckle arms go through the deck at an angle. It's just a case of "woops got them backward" hopefully limited to my order and already fixed. I've already emailed GPM with the prob.

Even if you don’t have all the GPM parts they are no good if they don’t mate with Xmod parts. Fortunately I haven’t noticed any more major problems yet, there are a few minor disappointments, and a few hallelujah’s that I’ll talk about later in a separate review of the GPM parts.
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hogjowlz
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Post by hogjowlz »

lol all i was tryin to say was, most of those parts didnt need to be improved upon.
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LBRC
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Post by LBRC »

Ah, you’re right of course, although it’s turning into another rerun of the Good the Bad and the Ugly. No real surprise with any new upgrades with mandatory precision there’s bound to be initial alignment problems and such. Although since most parts like these are first released overseas and we only get them after the bugs have been ironed out we get spoiled and tend to forget about the growing pains and first releases. There are some good surprises and benefits to some of the parts that I didn’t expect. One of the things that I should have expected but forgot about was that by replacing all of the parts that hold the bearings with rigid precision aluminum pieces your get a nice improvement in the drive train's efficiency especially with the AWD. Unfortunately if the steering components of the same parts don’t line up it’s useless.

Any way I’m now installing each item one at a time to test the alignment, then removing it and installing the next item to find out which ones are perfect, ok, not so good, or bad.
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LBRC
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Post by LBRC »

The GPM rear end parts look and work great, it feels good just to roll the tires and feel how smooth the drive train is. 8) Now I can go out and try to do wheelies. If the rain stops tomorrow that is.
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Aside from the bad suspension arms the front end parts worked as advertised too.
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Post by ph2t »

I bloody hate you....

how did you score all this shit soo fast?

that rear setup looks a treat!

ph2t.
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Post by Sdog »

So she's not just a good lookin' bitch....she performs too.
BOURBON TIME OUT!
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hogjowlz
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Post by hogjowlz »

question a: how do the shocks compare?

b: how much slop is there in the rear axle now?
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Post by JDM-R34 »

dang, that's straight up pimping, I gotta get some of that stuff. :cool:
DRIFT HAPPENS
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LBRC
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Post by LBRC »

I bloody hate you....
:-)
how did you score all this shit soo fast?
Be a very good customer and have a known association with one of their larger customers. (GPM’s small Micro/Mini parts are only a fraction of their business).
that rear setup looks a treat!
At first I thought that everything except the cup joints would be purely ornamental. NOT! the rear end is micro tight yet everything moves smooth as silk. If you take the motor off the car now rolls like a Hotwheels.
So she's not just a good lookin' bitch....she performs too.
No poser, the bitch hauls but, with the third cell off she’ll even make you proud on the track, for a 2WD that is.
question a: how do the shocks compare?
Good but not truly any better than the upgrade kit shocks, I’d definitely recommend a pair they just look extremely hot.
b: how much slop is there in the rear axle now?
Absolutely none!!! :grin: The only problem is that the left rear swing arm doesn’t have enough clearance for the shock so when you tighten the screw down it binds, a little filing of the shock, the arm, or even leaving the screw loose and using lock tight will easily fixes the problem. [/quote]
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Re: Bad part update

Post by cj »

LBRC wrote:The front steering arms part number XM054 I recieved have the alignment for the left and right knuckel arm holes revirsed, bummer deska. :(
Image
Have you ever gotten a response from GPM about these bad parts?
I have emailed them about the as well and never got a reply.
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LBRC
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Post by LBRC »

CJ sorry it took so long to get back to you but I’m in the process of switching computers and the shop I got it from puts out some great stuff but they like GPM sometimes don’t seem to understand what you are trying to say.

This photo is from the last set they sent and has exactly the same problem as the first so I’m working on a better way to explain, I've been greatly tempted just to send them a chassis incase it’s their example that’s messed up, all the other parts are working great and my second order even showed some little improvements, but they just can’t seem to understand the problem with these.Image
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Post by cj »

LBRC wrote: The front universal and axel combo would also need to be aluminum or the pins would wear off rather quickly.
Image
My GPM Xmod wish list:
#1 - Because the AWD kit is one of the things that make the Xmod unique and capable of handling the super high speed mods on rougher surfaces, the steering knuckles (XM021) solve one of the major AWD steering problems but the stock front cup joints are still too weak for serious motor and battery mods.
Wish granted. 8-)

I have the AWD parts on the way.
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