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+---- Thread: Ms Piggy. Black and Blue! (/thread-3579.html)
Ms Piggy. Black and Blue! - snipes243 - 06-15-2014
Nice no bobsled pics
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Ms Piggy. Black and Blue! - broncosbybart - 06-15-2014
Sorry to disappoint. That was a few years back. No bobsled pics. I can tell you that they steer the things with rope tied to the front 'axle' assembly. 1 rope on the right and one on the left- kind of like a primitive soap box car. Cheech said they hold the handles with their fingertips and just use their fingers to steer. I don't see how they can do that while bouncing around all over the place at 80+mph!
Ms Piggy. Black and Blue! - snipes243 - 06-15-2014
Wanna try some bobsledding?
Ms Piggy. Black and Blue! - Bronco Biff - 06-15-2014
What are those green nylon looking pieces in the top (bottom with block upside down) of the main journals?
Ms Piggy. Black and Blue! - broncosbybart - 06-15-2014
Clay, I'm not a fan of large blades of metal sharp enough to tear my head off at a moments notice. Not that it could happen, but I'm all for watching it on tv.
Biff, those are piston cooling nozzles. They spray oil from the crank journal up to the underside of the piston.
Ms Piggy. Black and Blue! - chuzie - 06-15-2014
But you are a fan of potentially cartwheeling down the side of a mountain with a fire bomb 2 feet behind your seat?
I say the only way to know you're alive is to live. The only way to live is to face the potential to die. ;-)
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Ms Piggy. Black and Blue! - broncosbybart - 06-16-2014
That hurts man. You cut me deep.
Ok, so if you want to know, I can't stand not having control of things. Seldom (if ever) will you see me in the pass side of a vehicle. My last trip in a plane was like 10 years ago. You certainly won't find me along for the ride in a bobsled. If I got to drive it, well....
No update on the build. Got some parts on order but til then the motor will sit like it is. Stay tuned!
Ms Piggy. Black and Blue! - broncosbybart - 11-27-2014
Ok, finally back on the pig.
Cleaned all the engine internals and block up with mineral spirits. Then they got a hot soapy bath followed by a good dose of brake cleaner. That right there is the crank getting all nice and cleaned up.
I had my new bearings coated by PolyDyn. Never had that done before. Figured it couldn't hurt. Here is the new main bearings, fresh in their packaging back from being coated.
First thing was to put the main bearings in. They only go in one way and the thrust bearing goes on the 4th main, facing upwards, or into the block. The cap just gets a standard cap bearing on that main journal. I used plastigage to check the clearances on the rod and mains. It is a wax based product designed to get squeezed and measured to determine bearing clearances. It is a good way to verify that everything is within spec during the final build. Here you can see this main has .002" of clearance.
Ms Piggy. Black and Blue! - broncosbybart - 11-27-2014
After checking the mains, I installed the crank and torqued it to spec. The crank is heavy! The manual gives the torques (3 stages) and sequences. I used a Clevite assembly lube recommended by the machine shop. Never used it before- typically have just used a combination of white lithium and moly lube. I like this product. It is red and thick. Almost reminds me of a clotted snotty bloody nose booger, though not as dark. Bet that made your day, just thinking about it.
With the crank in, I flipped the engine upright and checked the rings for proper clearance in their bores.
After that I installed the pistons onto the rods. Heating the pistons to 180 degrees F made it super easy to get the wrist pins in. Of course, they were lubed before insertion
Alrighty then. I installed the snap rings making sure the ends were facing horizontally. Years ago I was told to never install them in the plane of the motion of the piston (vertically) so that there would be no chance of them trying to jump out. No idea if that would ever happen but it makes sense. You can barely see the snap ring in the pic but it is there.
Ms Piggy. Black and Blue! - chuzie - 11-27-2014
Coming along nicely. Well done engine boy. I love seeing it done right.
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