I'm back on the road Again! (no longer fawked!) - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 06-27-2004, 04:21 PM   #1 (permalink)
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Cool I'm back on the road Again! (no longer fawked!)

Well I am back on the road again!!! I learned a lot and made some good new friends.

Figured out part of the reason my engine seized was because the Toyota Hold Down clamp for the distributor makes it sit higher, that and the fact I had it loose, allowed it to walk on me while I was doing the timing shutting off the oil pump.

Turns out my #2 and 5 Piston bearings were shot and they were what locked up the motor. #2 main bearing was also a little marked up and we changed that as well. As soon as we dropped the #2 piston bearing, the engine would move by hand. We were able to do this all while it was in the motor without removing the crank. The crank was not damaged and we used emory cloth followed by wet sanding the crank with 200 grit Sandpaper to get the bearing material off. We learned an awful lot about bearings.

My engine had recently been rebuilt and looked really clean inside. The rebuilder had used .10 over (.25) piston bearings. What threw us for a loop for quite a while is that the top half and bottom had had the notches oriented differently. Some had the notches butt to Butt and some were going the same direction (180 deg apart). We thought that the 180 deg apart was the right way to go, but when we torqued them down, the engine
would not move. We then flipped them all the other way and the engine moved perfectly. This makes sense, because if they were 180 apart they both could rise slightly out of the grooves(both would have to), but being butt to butt (facing each other) they had no where to go.

So we replaced all the Piston Bearings and only the #2 Main bearing. All the others looked fine. We used assembly lube as we installed them. We then installed the DUI Dizzy and it runs great. We primed the oil pump with a drill and screw driver prior to starting it. The DUI “seems” to give me a little better take off and better performance on the highway. I only drove it home from Ige’s. I’ll need to drive it some more to really gauge the difference.

Oh, I did not require the side cover being swapped for the DUI, but we could see based on how it goes in, that the dimpled side cover could be required. We had to take it out and re-orient it.

Ige and Shawn were tremendous and really helped me out here. Mike (Treeroot) also was there ready to take apart his extra engines when we needed something.

Better than getting my cruiser fixed is the fact I made some great friends and learned a lot.

Ken
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Ken Romer
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77 FJ40, Aussie Locked & Skyjacker 4" Lift
97 LX450, Locked, ARB Front Bumper, Slee Sliders, Slee Rear Bumper, Slee Skid Plate, Warn M12, OME 2.5" Lift
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Old 06-27-2004, 04:23 PM   #2 (permalink)
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Oh and one of Shawn and Ige when we got it running. Looks good next to her 45 with her 40 in the background!
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Ken Romer
Rising Sun 4WD Club of Colorado
77 FJ40, Aussie Locked & Skyjacker 4" Lift
97 LX450, Locked, ARB Front Bumper, Slee Sliders, Slee Rear Bumper, Slee Skid Plate, Warn M12, OME 2.5" Lift
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Old 06-27-2004, 07:53 PM   #3 (permalink)
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Good to hear you are Cruising again. Ige and Shawn are a shining example of why I drive a Land Cruiser. If this rain ever stops, I'll dig out a transfer case for you Ken.
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Old 06-27-2004, 11:06 PM   #4 (permalink)
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Quote:
Originally Posted by romer
Well I am back on the road again!!! I learned a lot and made some good new friends.

What threw us for a loop for quite a while is that the top half and bottom had had the notches oriented differently. Some had the notches butt to Butt and some were going the same direction (180 deg apart). We thought that the 180 deg apart was the right way to go, but when we torqued them down, the engine
would not move. We then flipped them all the other way and the engine moved perfectly. This makes sense, because if they were 180 apart they both could rise slightly out of the grooves(both would have to), but being butt to butt (facing each other) they had no where to go.

Ken
Great news. So I guess you could use that oil sender plug now, no? PM me your info again.

As far as the mismatched caps, I had the same problem with a machine shop some years back. When you get right down to it, you just have to put it together the way they machined it. In my case, the tards linebored the block with one of the main caps on backwards, then couldn't understand why the crank would mysteriously bind up when they tightened the caps down with all the arrows pointing forwards. I told them I wasn't mad that they had machined the cap backwards, but that I had to take the time to figure it out for them!
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...if I have to buy them from Trail Gear I guess I dont need them.

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