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Darkbound

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  1. Like
    Darkbound got a reaction from motorrob in VR6 24V BDE Knock from Engine, everything is changed, its still there   
    I just want to update the thread and say that I have finally managed to fix the problem. The knock is no more.
    Althought no one could say for certain "there, this is what caused the knock", my suspicions go to Cylinder #2.
    The reasons are that both sets of pistons that I had in the engine (the one before my first rebuild and the one that I put in on the first rebuild) had piston #2 wearing much more than the others.
    Cyl #2 was a bit worn out (but still within specs!) at TDC.
    Like I said, I'd bet that the problem was in cyl #2.
    Sooooo, about a month ago I did a second rebuild, this time I did it on my own with a friend, the knock is no more, here's what we did:
    - Cylinders rebored to 82mm (1mm oversize pistons, done by a machine shop of course)
    - Brand new Mahle pistons
    - Brand new MaxSpeedingRods forged rods with arp bolts (not the best brand, but they are cheap enough to make up for that, instead of replacing the bushings and the bolts on the stock ones, either way im not turboing anytime soon, and the quality and work on them seemed really good for the price)
    - R36 Conrod bearings
    - All bolts were renewed with OEM ones, crankshaft, camshafts, intermediate shaft, main bearing caps bolts, flywheel bolts and so on
    - New timing chain kit
    That pretty much sums up the most important things we changed, and its 2.9 now:) Im eager to get it remapped! 
     
    P.S. By the way, NEVER BUY ELRING BEARINGS! I've had two sets getting worn out and deforming in under 10k miles each, Kolbenschmidt did great, both for mains and conrods, Im still running KS for the mains and R36 on the conrods now.
  2. Like
    Darkbound got a reaction from Mk3highline in R36 Connecting Rod bearings upgrade, please someone explain it   
    So I ordered one half shell with part number 03H 105 701 EGLB and I can confirm that these are indeed the R36 coated bearings.
    You need 6x 03H 105 701 EGLB and 6x 03H 105 701 EROT. 
  3. Like
    Darkbound got a reaction from 716Mk3 in 12v vr6   
    Let me ask my crystal ball, it should know what you want to use them for....
  4. Like
    Darkbound got a reaction from motorrob in [SOLVED] MK4 VR6 24V 4Motion - Fuel Pump Whines (both old and new)   
    I forgot to respond that I found the problem. The problem was indeed that the hose was not fixated on the pump, so I am guessing it was just floating above the fuel and sucking air, once I attached it on the side of the pump where motorrob showed, it stopped whining.
  5. Like
    Darkbound got a reaction from blackwookie in [SOLVED] Hard Hot Start VR6 24v when sitting for 30+ minutes   
    I really have no idea exactly what was wrong with the injectors. I suspect that they were leaking when they were hot as I had the issue only when the car was hot. I tried testing them on a bench both cold and while heating them with a heatgun, I just could not get them to show any sign of problem infront of me, yet after I changed them, the problem disappeared and the problem started after I had them cleaned ultrasonically. Your problem may be different, coolant temp sensor maybe?
  6. Like
    Darkbound got a reaction from blackwookie in [SOLVED] Hard Hot Start VR6 24v when sitting for 30+ minutes   
    The problem is Solved, it was the Injectors (I changed all six). Ultrasound cleaning, never again.
  7. Like
    Darkbound got a reaction from VR6Pete in [SOLVED] Hard Hot Start VR6 24v when sitting for 30+ minutes   
    The problem is Solved, it was the Injectors (I changed all six). Ultrasound cleaning, never again.
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