Duromax 7 vs Predator 6.5 or 8

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Armatus

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Duromax 7 vs Predator 6.5

Hey guys, I'm new here. So I have a thread about my Manco Dingo build in the WIP section, not sure if I'm supposed to just consolidate everything to the one thread or post separate threads in different sections associated to specific questions, so I'm doing both until someone tells me otherwise.

About the cart, I'm going to be re-making the front end, extending it about 4 inches to move the petals forward so it's more comfortable to drive. Also welding in more supports for the frame and possibly a rubber/foam bumper so the frame won't bend in low speed collisions. It has a 5hp brigs in it right now, which is very old and not very fast.


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So I've decided to go with either the Predator 6.5 or the Duromax 7 (I really want electric start), I know there are a lot of kits available for the 6.5 but what about the Duromax? It's a clone of something else right? I'd like the cart to accelerate as fast as possible, I would like top speed to be close to 40. I'll be running a torque converter.

I also need it to have an electric start, I know there are kits available to make the 212cc electric start, where's the best place to get one? I'm building an instrument panel for the kart infront of the steering wheel and I want to put the keystart there so it can be started while I'm sitting in the kart, rather then start it from behind and then get in.

Price between the engines really isn't an issue (even though the Duromax is almost twice the cost it comes with electric start which I need and would be expensive to put on the predator). What about durability though? And mobility? What kits can I get to upgrade the Duromax?
 

kevbo22

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I am not advanced enough to tell you exactly what you need. But the 212 predator and 420 predator have plenty of upgrades around (really dont see any for the 301). Before you start getting a lot of answers, people here are probably going to want to know your setup a little more. CC or TC? What size sprockets and how big are your tires? After that someone will help you reach that 40mph speed you want.
 

Armatus

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I'm not very familiar with auto mechanics yet, what is cc/tc? I'm not sure what my sprocket size is either, what's normal for the Manco Dingo? I'm keeping the stock tire sizes, although I'm going to make the front tires a bit wider.
 

Armatus

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I've seen most people using torque converters on Manco Dingos, what's the difference between using that and a CC? Would that require shifting?
 

Armatus

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Thanks for the link :)

Why wouldn't you use a torque converter? Just because it's more expensive? My budget is pretty high for this build, I'm more then happy to drop $200 on a torque converter if it would up the power of the engine/making the gearing more efficient. Especially considering the engine is going to be $200 max if I get the Duromax (which I'm leaning towards for the ease of electric start). I've heard lots of people say this is a clone engine off something else, what kits would fit that? Would the TC work for it?
 

kevbo22

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Well with the TC you get a low and high gear plus everything in between. For the riding I do, I dont think I would ever use a cent clutch. If you can go with the torque converter then do. I have never read someone say use a cent clutch over a torque converter for a bigger style go kart. The TC will be a lot better with hills and off road riding. here is another good read:
http://www.diygokarts.com/vb/showthread.php?t=18371
 

Denny

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You can't put electric start on a Predator, flywheel won't fit crankshaft. However a 420 predator already has electric start. :wai: But going to a big engine for someone with no go karting experience is a recipe for disaster. Go karts can be unpredictable. My brother had one exactly like yours and sometimes even at 35 mph it was too fast. I had the 8 hp version and got into trouble flipping it end over end a couple of times. My point is for now fix it and ride it learn how it handles then figure out what to change on it to make it better. All to often we see new riders who have little experience try to change something that don't need fixing only to get in over their heads.

Just something to think about. You should put it all in one thread so we can help you better.

Denny
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