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  #41  
Old 05-30-2016, 03:36 AM
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Looking awesome
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  #42  
Old 05-30-2016, 05:18 AM
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Thanks Lanuse. I went to take the paint off of that old Carter and realized, they plastic dipped the frame. I typically use a wire wheel on my side grinder but had to use paint stripper. Never seen paint so thick. It was one of those moments where I wished I had just roughed up the paint and sprayed over it. If they had cleaned the frame better and did their prep work before they dipped it, it would have never started rusting.
  #43  
Old 05-30-2016, 09:16 PM
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Why sir you have a Hemi headed 420. I did not know they existed.

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  #44  
Old 05-31-2016, 02:49 AM
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After thinking about it for a few hours, I doubt the Non Hemi parts will fit the Hemi. Just like the 212 Hemi and Non Hemi.

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  #45  
Old 05-31-2016, 05:17 AM
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Well, it was a motor straight off the shelf. That would explain why the valve springs I ordered for it were to small. I've always been a Briggs guy, this overhead valve thing is new to me. So I have a hemi? I feel like Joe Dirt!!
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  #46  
Old 05-31-2016, 06:35 AM
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After researching it, I do in fact have the hemi. Now I'm on the fence about taking the governor out. I think I will run it first to see what kind of performance I can get first! I'm an old guy, I want low end power with this build, I don't need the speed. I wonder how many RPM's the hemi will turn compared to the non?
  #47  
Old 05-31-2016, 06:49 PM
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Scratch the last 2 posts, I'm going to stay with my original plan.
Cool. But you know you can click Edit and delete, If you want
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  #48  
Old 05-31-2016, 09:54 PM
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Hemi engines tend to breathe better and make more power at higher RPM. Wedge engines make better torque however through the entire RPM range especially at lower RPM. Any way we could get you to pull the head to have a look see at the combustion chamber?

Denny
  #49  
Old 06-01-2016, 05:35 AM
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Hemi engines tend to breathe better and make more power at higher RPM. Wedge engines make better torque however through the entire RPM range especially at lower RPM. Any way we could get you to pull the head to have a look see at the combustion chamber?

Denny
Sure, I'll do it this weekend and post pics. I'm curious myself.
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Old 06-01-2016, 07:44 PM
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I stopped by our local Harbor Freight today and every 420cc was a hemi. I also learned something new today. If you have a older Carter Brothers go kart, good luck replacing the rims without changing the hubs. Odd size they are.
  #51  
Old 06-02-2016, 02:34 AM
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Sure, I'll do it this weekend and post pics. I'm curious myself.
Cool thanks!

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  #52  
Old 06-03-2016, 12:19 PM
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Anyone know if the GX390 flywheel will swap with this?
Just guessing, but I probably think it would.
At NR racing, the 390 flywheels are listed as gx390 and 13HP clones.

I'd call Russel at NR, Timmy at DynoCams or Jody at ARC and ask. Russel is harder to get on the phone.
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  #53  
Old 06-03-2016, 09:47 PM
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OK, as promised. Here is the 420cc without the head.
Attached Thumbnails
20160603_123435.jpg   20160603_123446.jpg  

20160603_123506.jpg   20160603_124328.jpg  

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  #54  
Old 06-04-2016, 01:43 PM
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Well I pulled the flywheel and there is only one charge coil. I ordered another one that fits a Honda GX390. We will see if it works. The rubber end grommet where the charge coil wire comes out from behind the cover has double holes, I guess it's in case you add another. This is the information I've not been able to find on the internet. I'm on the cutting edge of information release for the Predator 420cc lol!!
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  #55  
Old 06-04-2016, 02:48 PM
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Here is the grommet.
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  #56  
Old 06-04-2016, 07:44 PM
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Looks like you got a low oil sensor on that engine too. Dont forget to rewire that.
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  #57  
Old 06-04-2016, 09:17 PM
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Looks like you got a low oil sensor on that engine too. Dont forget to rewire that.
I usually remove them. I'm a maintenance oriented guy. I check oil daily and change frequently.
  #58  
Old 06-04-2016, 09:20 PM
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I usually remove them. I'm a maintenance oriented guy. I check oil daily and change frequently.
Just what in the wide world of sports does leaving a non functioning low oil sensor have to do with maintenance? ???!

Am I missing something here?????

BTW: Not that it has anything to do with the price of bread...but I'm kinda like crack it open after it quits: "Oh...I see...it was outta oil!"
  #59  
Old 06-04-2016, 09:46 PM
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I usually remove them. I'm a maintenance oriented guy. I check oil daily and change frequently.
On a go kart the "oil sensor" is useless and annoying, nothing to do with oil level, Everytime you turn the Kart the sensor kills the engine, due to oil slosh.
Yep. You can remove it entirely. If you are opening up the Sidecover anyway.
But seriously, keep the switch part wired to the ignition, instead of the oil sensor wire that wire to an emergency kill switch.
But you do have electric start so I guess.. yeah remove the whole thing.
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  #60  
Old 06-04-2016, 10:12 PM
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Or leave it....once you pull the wire...it does nothing but take up a little space!
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