Quantcast
Jump to content


Crankcase evacuation

huunz

By huunz
in Joyner UTV SxS Forum

 Share

Recommended Posts

huunz Collaborator

huunz

Posted
Posted

I've been messing with my 650 Sand Spider for a couple of years now, and have gotten a lot more power out of it. I added a Fast Freddie Weber 45 DCOE kit, modified the header, tried a remote filter setup (didn't work), put long travel Fox Airshox on it, lightened the frame, jusat generally did a lot of old time hotrod tricks.

One trick i did was a crankcase evacuation setup. I'm out at Dumont now, and it sucks all the oil out of the engine through the exhaust pipe - it works too good! Now I need a new valve cover for a 650 Sand Spider (2 cylinder). Anyone?

One trick that did work - I port matched the entire intake. I put rags in the head to keep the debris from falling in, and gently ground out the bores until it was all smooth and clean. Big change! The intake ports were very "dirty", with a lot of random casting slag in the port itself.

Anyway, looking for a valve cover.....

huunz Collaborator

huunz

Posted
  • Author
Posted

JMC? Contact info?

To add insult to injury, it wouldn't start this morning, we had to tow it with the RZR to the back o the trailer and winch it in, then when i got home, I had to jack it up and push it into the garage for troubleshooting.....

huunz Collaborator

huunz

Posted
  • Author
Posted

No, it sucked the oil out into the header, where it burned/smoked, and made it look like an old 2 stroke. I stopped testing before I lost oil pressure, although I burned out about a quart over the weekend. I'd let it go down a half quart, then refill.

If I hadn't stopped, it would have probably sucked it all out. It also didn't let the oil in the upper end fall into the pan, so I lost oil pressure on and off after hard runs.

On the plus side, the new suspension is awesome, evening out the whoops and soaking up bumps, so the ride is very safe feeling. I was ripping the dunes pretty well. The mess on the lens is oil that spewed out and I didn't catch until I watched the videos.

huunz Collaborator

huunz

Posted
  • Author
Posted

Just checked JMC, they show everything in stock, but I'll call first....

I need to find out if my distributor went south, or if it is something else. If so, i don't want to pay shipping twice.

Thanks for the lead!

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
 Share
Go to topic listing

  • Similar Topics

    • CapnWalleye
      2016 Hisun 500 runs rough no power
      By CapnWalleye
      Just picked up a Hisun 500 that had shift issues (corroded fan gear) which I fixed. It also didn't seem to be running smoothly then all of a sudden it got worse. It seems to miss on both idle and when pushing the gas pedal to the floor and doesn't seem to be running at full power. I've been working with a local person who is walking me through some steps, but I'd like some input from this group as well. What I've done:
      - drained the fuel tank and replaced it with 93 octane fuel and added heet to help with any water problems.
      - replaced the fuel injector.
      - disconnected the battery (several times) to allow the module to reset.
      - set the valve clearance, both intake and exhaust, within specs ... intake was tight but exhaust seemed fine.
      - replaced the battery.
      - replaced the O2 sensor.
      Nothing has helped. Not sure what the next steps are, but would appreciate any expertise that can be offered here.
       
    • FTG-05
      Want a new work UTV; who and what should I look for?
      By FTG-05
      I want to ditch my Kubota RTV-XG850 and its moronic twitchy throttle design flaw, get rid of the problematic engine and the 40 mph purposely throttled speed.
      So far, I'm looking at the Honda Pioneer 1000 and the Polaris Ranger 1000, both of which have 1000-1500 lb payload bed capacity.
      What other makes and models should I be looking at?
       
      Thanks for the help!
    • A P
      2022 Hisun Sector 550 eps. Power steering not working
      By A P
      Hi
      I have a 2022 hisun sector eps 550. 30amp fuse is blown for eps. Checked the motor and it’s fine. Opened up the controller and found a bad diode. Dealer wanted 500$ for the controller. Just posting this in case it helps someone. I couldn’t read numbers from the old one so just took a guess and replaced it with a 100v 3amp diode. 
    • CRV
      Hello .. I have a 2007 cub cadet big country
      By CRV
      I’m need a couple parts. Diff. Lock Actuator mainly. But I would like to find a donor that maybe has bad motor or something along those lines. 
      if anyone has or knows of anything please holler at me 
      thanks Randy 
    • Jim Kessell
      EH65 spitting fuel from breather hose into air filter.
      By Jim Kessell
      2005 American Landmaster
      EH65 Subaru Robins
      spits fuel from breather hose into the air cleaner and then down into carb.  What’s causing this ??

UTV FORUMS

MORE SECTIONS

FOLLOW US ON

GET IN TOUCH

  • Automotive Webmaster
×
×
  • Create New...