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LST2 upgraded but performance is down????

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farmermw

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Ever since I upgraded my arms to RPM it seems as through my trucks performance is down. I think it is what is refered as camber possibly. I attached some pictures that might aid in your comments or suggestions. Thanks you any help/hints.

Mike
 

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Performance how? Turning? Landing rebound? Looks like you could use a bit of toe-in on the front to help with your turning. Might make it track a bit better too.

FYI:
You really should ditch those upper turnbuckles in the RPM arms. Mine didn't make it through a single tank before I snapped one. And of course, when they break, one snaps off up inside the arm so you have to partially mangle it to get it out.

Lunsfords are your best bet.
 
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olds97_lss said:
Performance how? Turning? Landing rebound? Looks like you could use a bit of toe-in on the front to help with your turning. Might make it track a bit better too.

FYI:
You really should ditch those upper turnbuckles in the RPM arms. Mine didn't make it through a single tank before I snapped one. And of course, when they break, one snaps off up inside the arm so you have to partially mangle it to get it out.

Lunsfords are your best bet.
Click to expand...

Sorry, guess I could have better describe that problem huh? It doesn't seem to track straight without correction from me on the wheel and when I turn around it seems like it wants to flip over all the time. Forgive me for the dumb questions but which part is my upper turn buckle? The whole upper RPM arm? I will do a dearch on here to see about the "toe in" issue:\
 
First of all you want to make sure you're alignment is square, or at least the degree of toe is the same (or very close) at all four corners. Toe is the angle at which the front wheels point inward or outward when viewed from above.

/\ toe in
\/ toe out

A little bit of toe in will make a vehicle turn quicker.. that is to say it will make steering more responsive.
A little toe out will help handling (corner faster)

The more toe in either direction you go will hurt the opposite attribute (ie. the more toe out you add, the slower the truck's reaction to steering input.)
 
Lessen said:
First of all you want to make sure you're alignment is square, or at least the degree of toe is the same (or very close) at all four corners. Toe is the angle at which the front wheels point inward or outward when viewed from above.

/\ toe in
\/ toe out

A little bit of toe in will make a vehicle turn quicker.. that is to say it will make steering more responsive.
A little toe out will help handling (corner faster)

The more toe in either direction you go will hurt the opposite attribute (ie. the more toe out you add, the slower the truck's reaction to steering input.)
Click to expand...

Well put in lam-ins terms, thanks for the diagram. I am not even close on any of them. They are all at different angle. I am working on tuning right now and then off to tackle the toe-ing in project. Thanks guys for the help.
 
after you get the alignment all squared away pardon the pun you would also see a ton of improvement with a sway bar kit I know I did and they are only $15.00.... HERE
 
I run mine at almost 0 toe on the rear with about 1 degree toe-in on the front. But, I run smaller tires, so it doesn't wander much at speed anyway.

I know the LST2 has hard set toe on the rear of a degree or two. Looks too much to me for a MT. What do you have on the rear? LST2 hubs or LST1/AS hubs with turnbuckles?

I've been running stock LST1/AS hubs on mine with RPM arms and lunsford turnbuckles all around. I have yet to break a axle carrier or c-hub. With the punishment it's taken... it's very surprising I'm still running those parts as original after 2+ years. Those RPM arms must take all the shock from impact and absorb it. I did break quite a few turnbuckles on the rear and one or two on the front before lunsfords were installed. Haven't had an issue since.
 
Heya go,check this out.....'setting camber'.:thumbup:
http://www.rccaraction.com/ME2/dirm...re+Pages&gid=3AA879185FAE4EF2B00E237F136E1D65

You should also check this out.:thumbup:
https://www.rcnitrotalk.com/forum/showthread.php?t=67788

I also have the RPM A-Arms on my LST2 and it's the best hop-up I ever did to it....I think it's definatley better since I did it ! Like olds97_lss said, "Lunsfords are your best bet", you definately wanna change out the stock tunrbuckles for Lunsford 5mmX40mm ones and also the steering turnbuckles......trust me !:D

I run -2 degrees of camber all the around on my LST2 and it works great for me. You'll also wanna get an RPM Monster Camber Guage and a Lunsford tunrbuckle wrench, which is what I have, to adjust your camber.

http://www.lunsfordracing.com/mm5/m...Code=LUNS&Product_Code=1540&Category_Code=5MM
http://www.lunsfordracing.com/mm5/m...re_Code=LUNS&Product_Code=2824&Category_Code=
http://www.lunsfordracing.com/mm5/m...ode=LUNS&Product_Code=9905&Category_Code=TOAC
http://www.rpmrcproducts.com/products/tools/gauges.htm#Ride
http://www.rpmrcproducts.com/products/tools/hires/70950.htm
 
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