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  1. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Go for all (3)....lol. That Turbobay turbo looks very interesting. How much is it? I picked up some toys today for my cylinder head work. Best attachment for the dremel are the sanding flapper wheels, I bought (3) 120 grit 0.750 dia. sanding wheels from Mcmaster Carr. The diameter had to be...
  2. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Update: Crower contacted me regarding the cams. Looks like the stock cams are 198/194 deg duration and 0.365/0.335 lift. I assume these are at 1mm or .050” lift. Now they are going to bump that to around 208/204 deg duration and maybe 0.375/.345 lift. Cost is running around $250 or so with...
  3. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Thanks Mac, it's coming along slowly but surely. Thanks, I'm trying to make it entertaining with more pictures. It'll get interesting in the next couple of months when it all starts coming together.
  4. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Thanks, much appreciated. Absolutely agree. Slap a head together and it'll probably work if the deck is flat, but doesn't mean it's optimal.
  5. 0w20 instead of 5w30

    Nissan Juke Engine Discussion
    Whatever the manual calls out for. The thinner oil should only be used if the bearing clearances are tighter. I run 10w30 and my engine bearing wear was minimal after 80k miles.
  6. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Couple pictures of the final product. I have (3) of (16) modified retainers completed now. It's taking me about 4 hours to lighten/polish each retainer. The final retainer weight is 9.0 +/- 0.1 grams. I'm a bit anal about precision. For reference, the Supertech SPR-FE20BE springs are coming...
  7. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Lol.....I'm actually fairly impatient. What is the most frustrating is waiting on parts. I get really anxious waiting on critical parts. I spent most of my time cleaning old parts.......that engine block was an intense amount of labor. Anyway, I expect I'll get the Juke running by April or...
  8. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    And finally........I switched to the tungsten carbide burr. The angle is a little bit tough to clear the retainer flange, but I'm able to cut on the tip of the burr. The drill is now set at high speed where the carbide likes to run. You can see the little chips, so it's cutting at a good...
  9. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Pictures below:
  10. First car upgrade every (Big Turbo)

    Nissan Juke Engine Discussion
    Don’t know about the VF48, but the VF39 was a dog of a turbo on my Sti. Any Mitsubishi turbo is better, not a fan of the IHI turbos, no sir.
  11. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Seat pressure is 39 lbs intake/65 lbs exhaust. Upgraded it's 80 lbs intake/ 80 lbs exhaust. It's a healthy increase without going too crazy. I started in on custom machining/grinding the Ford Retainers to remove weight. I had to purchase a Cubic Boron Nitride (CBN) grinding wheel in addition...
  12. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    And, a picture of the Supertech valve mounted on the head w/prototype spring seat. It's now sitting at about 80 lbs seat pressure. You can see how compact the spring assembly is. This setup will just clear the OE cam buckets, since the retainer sits a bit higher up. On this setup I'm running...
  13. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Thanks. It's a combination of carbon build up getting hammered into the face of the valve & oxidation. I'm thinking an oil catch can might help reduce the buildup in the future.....hoping. I just got done cleaning up the exhaust valve seat that I hand lapped previously. Yep, the seat was...
  14. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Neway tooling came in. I purchased some cylinder head stands to get the head off the table. These are needed so I can pull the valves on and off during test fitment of the seat cuts. The 5.5mm pilot works perfectly in the valve guide, dead rigid. I had to adjust the tungsten carbide inserts...
  15. First car upgrade every (Big Turbo)

    Nissan Juke Engine Discussion
    Hmm, nope. Car will fuel cut once you start make enough airflow, beyond what the ECM is expecting. It’ll do this with the stock turbo with enough boost. Tune is mandatory. First mod I always suggest, then exhaust and intake.
  16. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Lol, probably a smart move. A typical valve job is around $450 to $500. With Port and polish maybe $1000. I’m at $1500 with ported head, cams, springs, new valves, etc. I’m not including tooling to cut the valves.
  17. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    OK, everything is ordered up....mostly. My parts from Ford are coming in on Saturday, SuperTech parts also on Saturday. Shipping 3-day from California was like $42 but I can't wait 1 1/2 weeks to test fit since I need the parts first before ordering the custom machined seats from my machine...
  18. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Alright, making some progress. I'm ordering this week: springs, retainers, keepers, custom spring seats. Springs are SuperTech SPR-FE20BE ($15 ea x 16), Retainers are Ford #1S76514-AA ($3.40 ea x 16), keepers are SuperTech KPR-5.5-7A (2.48 ea x 32), spring seats are my own custom design...
  19. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Well, confirmed that the force gauge was off.....by alot. Was supposed to be calibrated. I used my Hydraulic press and a bathroom scale to act as a spring tester and got within +/- 5 lbs of the Nissan & Supertech spring specs. I'll post up some pics of that setup but damned if it didn't work...
  20. Gene's Epic 2012 Juke AWD Engine Rebuild Thread

    Nissan Juke Engine Discussion
    Thanks. I’m buying a Proform...mini spring checker from Summit Racing. It’s like $75, 0-300 psi. Supposedly works great and obviously budget friendly, you load it in a vice and compress it with the spring. I’ll get it by Friday but for now I’ll check the stock springS this way.
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