THREE MODS THAT KEEP COMING UP (MP Servo Saver, 4 Spider Mod, Ofna Linkage Mod)

SkyMaxx · May 9, 2004

Some must have mods (MP Servo Saver, 4 Spider, and Linkage)

There are three questions that seem to come up quite often with respect to the Savage. What is the MP Servo Saver Mod and how do I do it? What is the 4 spider differential mod and how do I do it? What is the linkage mod and how do I do it?

In an effort to find the information, I searched our site and found some good information both on the site and linked to in a few threads. So, for those of you who do not know how the search function works...here's some great information.

MP Servo Saver Mod
===============
I came across this recent addition to our write ups. Nicely done, Digital Liquid.

CLICK HERE for the write up on the MP Servo Saver mod.

4 Spider Mod
===============
Digital Liquid has been busy writing up great things to do. Here is his write up on the 4 Spider Mod, CLICK HERE

I, also, found these links to other site's write ups on the 4 spider mod. Great information with pictures to help you along the way.

CLICK HERE for the write up on the 4 Spider Mod at Savage Unleashed.

And another good article on the Spider Mod (sorry no pictures in this one)
CLICK HERE for the write up on the 4 Spider Mod at Savage Central

Ofna Throttle/Brake Linkage Mod
========================
I came across this link to a thread on the topic of linkage modification. Includes pictures and part numbers.

CLICK HERE for a write up on the Ofna throttle/brake linkage mod.

Digital Liquid · May 21, 2004

Nice links Sky, I will be doing a write-up on the spider mod along w/ a new twist on the linkage mod. I should have it posted by next week.

Later....

SkyMaxx · Nov 11, 2004

This just in...

HPI is coming out with an all in one 4 gear spider mod upgrade. Check their new products page CLICK HERE. Scroll down about 1/3 of the page.

Tower Hobbies expects them in mid November.

alkyula · Nov 11, 2004

says the gears are revised for more durability. so far the only gears that seem to somewhat hold are the hpi ones..if these are stronger that would be nice.

PiErow · Nov 12, 2004

the mp servo saver mod is dead. I need that.

wigsplittah · Dec 22, 2004

the mp servo mod up top is dead and if anyone needs it, here you go:

https://www.rcnitrotalk.com/2004/savage-mp-servo-saver-mod/

SkyMaxx · Dec 22, 2004

Hmmm...that is interesting. The link you provided and the one I have up top are one and the same. I updated it when PiErow noted the faulty link in November. Are you certain you are showing the link above to be dead?

BUGNOUT · Dec 22, 2004

The MP servo saver mod was dead for some time now when I click on it, it takes me to the diff mod. The link for it in wingsplittahs post works though.

Digital Liquid · Dec 22, 2004

Sky, what happened to the pics that go along w/ the write-up? Seeing some pics does make it easier to follow along.

SkyMaxx · Dec 22, 2004

Bugnout...after re-looking at it, you are correct. Darn re-directs. The link is updated and correct. Some changes were made when WoodiE went and upgraded the site...and some things got lost in the wash, some things just got plain mucked up. Again, thanks for pointing out the fact that the link was a re-direct, and thanks to the wigsplittah for pointing out the correct link.

As for the images, DL, still waiting on WoodiE to get things sorted out on his end. He is updating to some new-fangled software and the images are on hold untill he has it all sorted out. I am assured by him that they will be coming SOON.

Digital Liquid · Jan 26, 2005

If anyone is interested, I did a write-up on my linkage mod. You can check it out below:

https://www.rcnitrotalk.com/2005/savage-linkage-mod/

Digital Liquid · Jan 28, 2005

Here is a quick little mod to help save your fuel tank. Check it out below:

https://www.rcnitrotalk.com/2005/savage-fuel-tank-protector/

arawak420 · Feb 27, 2005

so has anyone tried this ofna linkage mod?

done it:
man response with the springs is unridiculous

4u2nv · Jan 16, 2006

I am currently doing the Spider diff mod, and had a question (I'm using Digital Liquids step by step.. Awesome by the way) Anyway, the question I had was, do I need a new housing for the 4 gears or does a person use the stock one? The one I have seems more rounded out where the extra pins need to go, and this one below seems more notched out and set up for it. I didnt see it on the needed parts, so I figured Id ask. Thanks

sweetdiesel · Jan 17, 2006

If the sides of the diff cup walls are worn or rounded I'd go with brand new cups. Any slop in there is going to directly effect wear on the spider gears.

While you have it apart I'd pick up some aluminum cups. I like the ones Nova offers, 7075 aluminum and about $45 a pair. Much better price than maximizers. I'm sure Bruce could hook ya up.

digger · Jan 17, 2006

If you have ran it much the slots are wore where the axles go. Puts more stress on the other 2. Could put it back if you were in a hurry.

I threw mine together and they lasted a year? Had to do them over. I don't run as much as most of you, though.

4u2nv · Jan 17, 2006

I have less than a gallon on it so it isnt ALOT but its gettin there. Once I got it all cleaned up I think I got it figured out. Looks alot better now I got all the gunk out of there.. When a person does the spider diffs, they usually do the front AND rear or just normally the rear?

digger · Jan 17, 2006

4u2nv said:
I have less than a gallon on it so it isnt ALOT but its gettin there. Once I got it all cleaned up I think I got it figured out. Looks alot better now I got all the gunk out of there.. When a person does the spider diffs, they usually do the front AND rear or just normally the rear?

Do both bro. You got it apart anyway...
I think my front went out first.

4u2nv · Jan 17, 2006

allright. Ill have to order another set. I just got one set. (there was nothing wrong with my diffs now, I just wanted to get it done in the down time) Thanks Dig

hbidad · Feb 22, 2006

Yeah, when it comes to gears, I was told to replace all as a worn out gear will trash the new gear quick. I have always followed this advice.

BTW, I have the 4 gear diff mod. MY savage already had it installed from the factory. However, with a .28 and about 2 gallons, I ripped the rear out.

THREE MODS THAT KEEP COMING UP (MP Servo Saver, 4 Spider Mod, Ofna Linkage Mod)

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