Forum - Briggs & Stratton Racing
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diggity267

Registered: 10/19/12
Posts: 7
Reply with quote  #1 
I just picked up a gold 412 chassis for my daughter and am looking to buy the animal engine. Can you give me some suggestions on what kind of muffler, clutch, and whatever else i need to install a motor? What is the best octane gas to run in it? This is my first kart so im a bit green. 
BriggsRacing1

Registered: 06/22/11
Posts: 188
Reply with quote  #2 

No worries Diggity, we are glad do give you some advice.  I am not familiar with your chassis but here is a general hit list:

-  Engine Mount - You will need one if your kart did not come with it (same for every engine).
-  Clutch - There are a lot of different ways to go.  Your most cost-effective will be a shoe/drum clutch.  Please take a minute to watch our video on proper installation to avoid common issues.
-  Pulse fitting adaptor - This fitting that replaces one of the top, side cover oil fill caps, and if plumped to our fuel pump.  The engine's crankcase pressure runs our pump.  This part is available at any one of our Racing dealers.
-  Fuel line - You can pick this up just about anywhere.
- Exhaust/Silencer -  RLV and Robertson Torque tubes are two of the larger exhaust manufacturers.  Both carry a lot of options and I would just recommend contacting a dealer.  Depending on what you are planning to race ultimately determines what style pipe and silencer you need.
- Oil catch can - With the high g-forces and the like it is natural for oil mist to exit the breather.  This is why it is manditory that karts run a catch can.  This system can be bought or simply made.  It can be as simply as plumbing the hose that comes in our loose pack into the breather, fuel line from that to a catch can.  Your catch can can simply be an empty 20 ounces plastic bottle.  Just make sure that which ever direction you take that you catch can has extra vents drilled into it so that the vacuum from the system does not pressurize itself. 
-  Clutch guard and header wrap -  These are mandated safety requirements all sanctioning bodies mandate.
- Other:
           - We recommend standard pump gas, 87 octane.  As for oil, 14 ounces of Amsoil 4T or Redline karting oil.  These are over-built, bullet-proof oils.  I would recommend staying away from the general karting oils as they have limited life and a LOT of downside to them.
           - Make sure to zip tie and clamp every connection.
           - Clutch and axle gear - depending on the track this will change.  If you are just getting your feet wet and running a stock engine then make sure to keep your maximum rpm below 6,400 rpm.  These are racing engines and the Animal does not have a rev limiter.  Beyond 6,400 rpm the valves will begin floating.  When that happens it adds a lot of stress to the valve train and that could fatique components.
           - Safety gear - Your helmet, gloves, and other safety gear. 

This should be enough to get you started.  A lot of dealers can put all of this together for you to make your installation a breeze.  My number one suggestion would be to work with one of our racing dealers.  They are experts, they know exactly what you need, and likely have it in stock.  They can walk you through a needed step or even help you in person.  My final advice, we are ALL here to help you.  We were all green at one time and at every track you will find that racers are willing to help.  That's the great thing about karting, it's about having fun and you will meet some great people.

diggity267

Registered: 10/19/12
Posts: 7
Reply with quote  #3 
Thank you for the information. This will be very helpful. You say to keep the rpm's below 6300. Can i get a rev limiter to help with doing so?
BriggsRacing1

Registered: 06/22/11
Posts: 188
Reply with quote  #4 
You can keep your rpm down by limiting the kart gearing or, again not know what you are looking to do long-term, you might want to look at the LO 206.  This is our sealed crate engine, an offshoot of the Animal, intended to be raced right out of the box.  The 206 ignition module has a built-in 6,100 rpm rev limiter.  That was designed specifically to keep springs out of the equation (in general more rpm would be an advantage), to create the same rpm range for everyone racing, and maintain overall durability.

This engine can be converted long term into anyone of our Animal classes by changing the ignition module to the one of the Animal and building the engine accordingly.

It might be a nice starting point as you learn about karting.
diggity267

Registered: 10/19/12
Posts: 7
Reply with quote  #5 
I am just looking to build a fun, fast kart that my daughter and i can enjoy. We are not going to be running for long periods of time. I want whatever is fast and has easy up keep. I want a name i can trust and not a clone and thats why i wanted a briggs and Stratton.
diggity267

Registered: 10/19/12
Posts: 7
Reply with quote  #6 
I paid $500 for this chassis

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diggity267

Registered: 10/19/12
Posts: 7
Reply with quote  #7 
So can I install a local 206 ignition module onto an animal engine to keep down the rpms as well? Any ideas on what front and rear sprockets would be needed to keep the rpms down?
BriggsRacing1

Registered: 06/22/11
Posts: 188
Reply with quote  #8 
For the money that is hard to beat!  You can either start with the LO206 which has the module already on it or update an Animal by purchasing a 206 ignition module.  If you are looking to buy a used Animal just make sure it has been updated to our PVL ignition.   I would just go to one of our online dealers and compare the photo of the module and flywheel.  If the system is our older stlyle both the flywheel and ignition would need to be updated.  The PVL is a digital system and the magnet configuration required is different.  This update was done back in 2007 but there are still likely engines out running the older system.

As for gear ratio, it really depends on the layout you are going to be running.  We gear according to the track layout so things like the length of the straightaway and the number/type of corners all play into it.

We appreciate the support.  It looks like you got a great buy!

diggity267

Registered: 10/19/12
Posts: 7
Reply with quote  #9 
I will be buying new. Problem with that is i dont have anyone local that carries the animal. I am thinking i am going to have to order online. I would perfer to buy local from someone who has knowledge of karting. I think im going to call the guys from Pat's acres and see if they know of a local dealer that can help.
BriggsRacing1

Registered: 06/22/11
Posts: 188
Reply with quote  #10 
I agree that it is always easiest to have support in your backyard but a lot of business is done online and by the phone given how specialized this industry is.

Best of luck, enjoy, and feel free to fire off more questions as they come up!
diggity267

Registered: 10/19/12
Posts: 7
Reply with quote  #11 
Any websites you could suggest to me?
Toolman

Registered: 04/04/13
Posts: 2
Reply with quote  #12 
There are plenty of online companies that will do you well. I like dealing with Turk Bros Racing. Lots of help available and they carry most everything a kart owner would need. Give them a call.
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