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Word of caution (zorst, not RTA or LAW related)

Posted: Wed Jan 13, 2010 11:12 am
by spunkybob
Hi All,

I while back (very long while) I posted about a squeaking noise coming from the front underneath my car.

Well it turns out its not a squeaky fan belt (as lost of people said) and it was directly related to removing the rear muffler and putting in a replacement (my case a cannon, its off now)


The issue is this. See image then explanation

Image

Now the red circles are the factory zorst mounts, there just rubber.

By removing the lower left mount as it was not needed to hold a replacement muffler in place, there is nothing to hold up the piece where it attaches to the main zorst (blue circle) and as such puts allot of strain on the mount near the CAT.

What was happening is that the middle mount was unable to hold up the weight of the middle part of the zorst (blue circle) properly and was stretching, nearly to the point of breaking.
I had a look under there and was like WTF!!!! it was literally sagging 5CM lower then it should have been. (maybe 6 months of new muffler fitted)

If you have replaced the muffler and no longer using the rear left mount, and they have not made another 1 near the joint, get it checked out, because I can assure you the same thing will happen.

Posted: Wed Jan 13, 2010 12:12 pm
by scraverX
Useful info there Spunkybob. I've noticed the Greddy SE uses three mounts as opposed to 2

+1

Posted: Wed Jan 13, 2010 12:16 pm
by ofey
Great info Bob!

Posted: Wed Jan 13, 2010 3:42 pm
by exaltd
So the GReddy shouldn't sag right? :)

Great info, btw :)

Posted: Wed Jan 13, 2010 3:52 pm
by Graham
Great info, this should help other users avoid this problem :)

How hard would it be to make a custom mount?

Zip ties + piece of metal + welder? :P

Posted: Wed Jan 13, 2010 4:01 pm
by spunkybob
show me a pic of the greedy zorst and I should be able to tell you.
Id hope there good enough to realize this problem though.

Posted: Wed Jan 13, 2010 5:10 pm
by tryg
It is the exact reason I designed mine to sit laterally, and have the huge bend most people thought was not great.... due to the exact reasons you stated. It is vital to even out or distribute the hanging weight.

+1

Posted: Wed Jan 13, 2010 5:22 pm
by vi93r
GReddy SE is fine, you can see where it attaches in the image below on the far left. Its been designed that specifically to the lancer as it lines up perfectly to a pre-existing hole in the rear suspension.

Image

Posted: Wed Jan 13, 2010 5:52 pm
by R4LLI4RT
useful information
thanks for the heads up

Posted: Wed Jan 13, 2010 5:54 pm
by spunkybob
vi93r wrote:GReddy SE is fine, you can see where it attaches in the image below on the far left. Its been designed that specifically to the lancer as it lines up perfectly to a pre-existing hole in the rear suspension.

Image


Yeah that's perfect, +1 Greedy :)

Posted: Wed Jan 13, 2010 6:17 pm
by tryg
Pity they have yet to make a twin system for the base models..... Now that would be perfect!

Posted: Wed Jan 13, 2010 6:43 pm
by spunkybob
I think someone in US has.... but you need read diffuser for it to work.

Posted: Sun Jan 17, 2010 2:08 pm
by s84kam
holy crap i think i have this issue, do you think this would have caused any other problems due to wear?

Posted: Sun Jan 17, 2010 9:32 pm
by driftnut((
im gonna check mine right now thx bob