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xr4tic

Kugelfischer
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Blog Comments posted by xr4tic

  1. On 1/6/2022 at 11:25 PM, Dirty32 said:

    Have you experienced any issues with the RHD LW flywheel?

    Did you have any troubles with bolts or any ancillaries not quite working when you installed?

    I haven't driven the car much, it's still a work in progress, so I don't have any driving impressions other than it worked just fine when I drove it around the block a couple times this year.

     

    I had to get new flywheel to crank bolts, the original ones were either too short or too long (it's been a while) and I think the bolts are different depending on which flywheel you currently have (215 vs 228)  I think I just got some ARP bolts, but again, it's been a while.

  2. When you say "off throttle" do you mean completely off throttle?

     

    If so, it's possible you're actually too rich or you have an ignition problem.  If you're dumping fuel in and it doesn't ignite, then it's not consuming the oxygen, so you can show lean no matter how much fuel you're putting in.

     

    Usually it's normal to not use fuel on decel for emissions/mpg purposes (unless you have a turbo, but that's another story)

     

    If you stomp on it, accelerate, and then let off, and throw in the clutch, does it stumble and stall, or settle back to idle (clutch still pressed in)

     

    Are you injecting fuel on decel, and if so, why?

  3. 4 hours ago, Henning said:

    Sure this changes the direction of air flow?

     

    Yes, that's the point.  Most electric fans are sold as a puller - mounted behind the radiator and pull air through the radiator.

     

    If you mount it on the front of the radiator, it will still pull, so you have to flip the blades to make it push the air through.

     

    If you buy a fan that is configured to push, you won't have to do anything.

  4. The alternator bracket was cleaned and sandblasted (quickly).  I was going to paint it black, but then I saw someone else post a picture with the brackets gold zinc plated and it looked fantastic, so I'm going to see if I can get that done.

     

    It's a brand new IE header, it's on their special page, significantly cheaper than the uncoated mild steel shorty header - http://www.iemotorsport.com/bmw/item/02shortstainless.html

     

    I just have it bolted on with two nuts to test for fitment.  It looks like I have to clearance the bottom of the flange because there is a slight step where the head meets the block (block sticks out) and the flange barely hits it.  Should be quick work with my bench grinder to make it fit.

     

     

  5. I had a similar experience with a spare engine I bought to do a quick refresh on, turns out it had been "rebuilt"

     

    The cylinders were bored too big, one of the rods was backwards, the rod nuts were on upside down, it had the wrong pistons for the head (domed e12 with an e21 head), and there was a big nick on one of the rod journals that put a groove in the rod bearing.

     

    If you buy new rods, seriously consider getting longer rods, which of course requires new pistons.

     

    Let the scope creep begin!

  6. 10 hours ago, heinemann said:

    I didn't know the blend valve could be opened up. Mine is stuck. I may have to see if its full of gunk too. I dig the match porting of the carb to the intake plenum. Nice work.

     

    There are two types, mine is the later type with the plastic valve inside.  There is a good rebuild article here:

    I cleaned up the housing and top by soaking it in a 50/50 mix of white vinegar/water mix, just be careful if you have put any of the steel components in the mix, the vinegar will eat them up.

     

  7. Better to ask these questions in the forum rather than the blogs.

     

    When viewing the PDF, open it in Adobe, not a web page.  Adobe will display the legend as a bookmark and identify all the components.

     

    What coil do you have?  One wire from the ignition is a resistor wire and will have reduced voltage.  The other wire comes from the starter and is only hot during cranking, giving the coil full voltage to help start.

     

    If the coil was replaced with one that doesn't need the resistor, then they may have cut the wiring up to just have +12V from the ignition.

  8. Wrong ignition timing can cause dieseling.

     

    As for vacuum leaks, I like to spray starting fluid around suspect areas, if the idle changes, you've found the leak.  Just keep in mind it's highly flammable, so careful where you spray it.

  9. It wasn't hard, but time consuming.  I used a 4 1/2" cutoff wheel (Milwaukee angle grinder)  The bumper is thick aluminum so I did it with shallow cuts.  Take it slow and steady for the first few passes to get the outline, then the following cuts won't wander.

     

    The hardest part was the curve at the ends, it's a tight radius, especially with a new disc.  I focused on the straight parts until the disc got small, then hit that curve.  It might be cleaner to make some relief cuts first.

     

    I should have cleaned the edge up with a sander but didn't because I wanted to get it on the car to see how it looked, then I never took it off again.

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