DIY Engine Dampener

[fuji]

The nitto engine dampener is really expensive for what you get. I it also not adjustable. It would really be nice to have a dampener you could adjust in both compression and rebound. Well, how about a mountain bike rear shock? It frequently can do both and can be found cheap on ebay. All you need to do is some fabrication of the mounting points. What do you guys think???

[cali yaris]

Dr Isotope made a few of these for the Scion tC, they were really cool.

It is incorrect to say that the NITTO is not adjustable.

I'm wondering if we could get just the brackets from them and source our own damper. Ingalls sells just their damper alone, might be a good call.

[YarisSedan]

Hmm you guys may be on to something. Thinking like the chinese better and cheaper!

[BLAZINBLUEVITZ]

SUBSCRIBED.....

[pixitha]

That does seem like a really simple idea that should work great!

[Lambpasty]

SUBSCRIBED.....
X2

[yaris-me]

The mountain bike shocks won't last. They are not designed for that kind of harsh loads. My mountain bike rear shock didn't last 2000 miles of street use, and that's on the bike.:cry:

[Shroomster]

The mountain bike shocks won't last. They are not designed for that kind of harsh loads. My mountain bike rear shock didn't last 2000 miles of street use, and that's on the bike.:cry:

go-kart/golf cart shock then maybe?

[fuji]

Over the years the shocks have improved. I would not use a ''air-only'' shocks but one of the more robust downhill coilover style shocks.

Are there any other possible sources for nice spring/dampener combos??? I like the golf cart idea.

[1NZYaris1]

What about something like this , fairly inexpensive to boot at $55.00US :thumbsup:
Does any body have photos of the bracket and there mounting postion. :help:

[YarisSedan]

not to mention it looks mighty wicked

[eTiMaGo]

looks cool for sure... but might it not be a bit too soft? One would need to do the calculations in terms of leverage of course, but I have my doubts

[1NZYaris1]

looks cool for sure... but might it not be a bit too soft? One would need to do the calculations in terms of leverage of course, but I have my doubts

:rolleyes:That really depends on what you are trying to achieve , if you want it for pure tracking aspect's then yes , you are probably right .:cry:
When comparing it to the likes of a nitto engine damper which is stuffed with rubber rings . Or we could think outside the square and look at a
more street able gas air filled shock that has the ability to be totally tuneable (to a piont ) depending on spring rate and gas pressure.
I could send one to Garm for testing with his rocket ship:laugh:
cost wise it's 1/2 -2/3rd's the price of the Nitto , it might be worth a shot
it might not .We will never know until we try it:respekt:
can anyone tell me the length of the Nitto (betwen hole centre's)

[yarstar]

Subscribed! You guys are constantly coming up with good ideas. I love Yarisworld!

[fuji]

The bottom line is it looks like there are quite a few options for shocks. It also looks like you need a fairly stiff spring to help control the motion adequately.

The next big question is how do we mount something like this? Where should we mount it???

[cali yaris]

Looking at our motors, it pretty much has to go where the Nitto goes now.

I'm going to buy an Ingalls damper and see about the length of it. That would be a step up from the Nitto design. I'll also measure and try to source a mountain bike shock with the same length if possible.

[fuji]

Here is a crazy idea - I was always thinking about trying to mount a shock (bike/motorcycle) somewhere on the top/side of the engine. If I remember correctly there are a couple of threaded holes on the bottom of the engine which have no screws and they are pretty good size. How about a piece of curved spring steel such as a leaf spring? It has just a little give. The point where it is mounted to the body or frame, a series of dampening washers could be used to cut down on vibration. They also usually have one side where a bolt can be used to mount it.

What do you guys think??:confused: Easy, cheap and probably very effective.

[PETERPOOP]

You guys are crazy. Just buy the nitto. ;)

[1NZYaris1]

You guys are crazy. Just buy the nitto. ;)

:rolleyes: no crazy is buying a Yaris then modding the crap out of it , but boy it's fun :laugh: and as you know entertaining :thumbup:

[fuji]

I have to agree!

[1NZYaris1]

Okay lets get back on track, Engine damper
as eTiMago said the shock that i showed on pg1 and or infact any air /gas
shock would more than likely be too soft,which is true to a piont .:clap:
the thing to remember is,that it is a shock absorber , it has 20x's more
travel than a nitto damper (rubber ring filled tube) which basically has no travel at all .
it's like filling your engine mounts with a resin (it takes away movement).
But it induces vibration into the car , true or false :help:.
what i am trying to say is that even though the the gas /air shock might
be too soft for track conditions it might be perfect for those that don't want the vibrations , or require such harsh dampening .(street conditions)
some is beter than none , or even too much .
i hope all that made sense.if not just shoot me now .:tongue: and i will go away quitely :laugh:

[fuji]

I think what you are saying makes sense. It is possible with a stiffly sprung short travel motorcycle of MTB shock to have an improvement in the rocking motion of the engine with minimal vibration.


Another idea for decreased vibration is to have some type of vibration dampening material where the engine damper mounts to the body such as a large rubber bushing. Even if there is a small reduction in the vibration from the rubber/soft polymer, it may make a significant difference.


It sounds like the best option after all the brainstoming here is very short travel, stiffly spring suspension unit. After hearing the basic technology in the nitto dampener - Nitto is making quite a profit on this product.

Another possibility is making the DIY damper two-sided therefore increasing the stiffness. May also have a positive benefit if there is a tortional component to the engine movement.

[1NZYaris1]

Yeah i need to sit down, take some measurment's and draw up a mouting method.

[fuji]

Any measurements yet??

[1NZYaris1]

No sorry ,been real naughty , recovering from complications too neck
surgery. but life goes on , will start looking into it more seriously in a day or 2.

[SailDesign]

The mountain bike shocks won't last. They are not designed for that kind of harsh loads. My mountain bike rear shock didn't last 2000 miles of street use, and that's on the bike.:cry:

That's why I ride rigid, baby.... :biggrin:

[fuji]

Rigid requires some pretty solid balls! But....you may be on to something. Let's say you used a piece of not to thick curved spring steel. Where it attaches to the frame/body you use a piece of rubber or other elastomeric type of material to help isolate some of the vibration. I know there are a couple of threaded holes on the bottom of the engine. Perhaps these can be utilized?

[yaris-me]

Have fun.:laugh: