A to Z
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Posts posted by A to Z
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Here's a bit of a complicated question. My L6 has a diesel crank and H beam 240Z rods, and Rebello custom pistons set at 10.0 to 1 compression at zero deck height with my E31 head. The cam is the stock "A" cam. Because I am adding basically 1/2 inch of stroke, how will the stock cam act? I am thinking the cylinder pressures will be higher and port velocity will probably go up, but wondering what to expect.......will the timing have to be backed off? Opinions/comments please.
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ready to go!
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02-11-2023 UPDATE: I started with the foot peddles. I removed the brake pedal for the auto trans, and installed the manual peddles. THIS IS INCREDIBLY HARD! A lot of contortion....6'1 and 240 lbs makes it ROUGH. I put it off for a long time, and now I am SO glad it is done. After this I decided to put the lower radiator hose fitting on to the timing chain. As always I like to put a very thin coat of gasket maker on each surface then use the gasket. This way the gasket maker can fill any imperfections in the surfaces and you get a great seal. For the plug, my stainless plugs came in and would not go in.....So I decided heck with it.....gooped up the brass plug with some pipe sealer and ran it in. I was able to enlist the help of my neighbor and his buddy and I put my shifter into his vice, and with a MAPP gas torch I heated and bent my shifter into an "S" so it will clear everything. In doing this job, the surface of the chrome, etc was all burned and looked awful. With a file and with my wire wheel attachment in a drill I was able to clean it up to a nice brushed finish. I decided to tape off the ends, and give it a few coats of clear paint. I used the Clear Engine paint. It is tough....thick, and VERY glossy. Duplicolor engine clear with ceramic added. Here are some pics of the day.
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02-06-2023 UPDATE. Ok, so my lower radiator fitting arrived. Nissan part # 14-J8204. This is the L28 fitting. I found that a 1/2" brass plug workes perfect. It goes halfway in by hand, just need to run it back and worth to get it to set all the way in, and I will goop the threads with pipe dope. Couple pics:
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02-04-2023 UPDATE: Hit the work today, nice decent temperature, so I went ahead and pulled the center console and started opening up the shifter hole. You can see the outline of where it needs to be cut out. So using my Dremel and cutting wheels I cut it to the point where I could grab the pieces with some pliers and remove it. Then I used both my die grinder and hand held file to clean it all up. Then, you can see the the holes that need to be drilled are also marked for you, So I drilled the holes open, and that part was done. After that I took my clutch master cylinder, the braided line and Clutch Slave cylinder and bolted them all together, and then I bled the whole system. Nice to get it done while it is out.
I kept going and installed the master cylinder, and then grabbed the transmission and went ahead and installed the Backup light switch , and the speedo gear piece. Then the bracket for the transmission mount. Since the rubber ones are so expensive, I took advantage of the chance to get a solid aluminum mount for about half the price. My neighbor mentioned it would be good to put a bit of rubber in there to give it some give, since the engine motor mounts are still rubber, and gave me 2 thin strips of rubber. As you can see in the pics below, I put them in there behind the mount and then bolted it down. Becasue the mount isn't centered, I need to figure out if I have it correctly or if I need to rotate the mount 180 degrees. So....next is the clutch and brake pedals. I pulled them off my pare set, and wire wheeled them up, then masked and painted them. A lot done today. Getting her all ready for the new engine and trans to go back in. Here are some pics.
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Anyone offhand know the size of the threads in there for a flush plug?
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Thanks. I have received several responses that all, like yours, made too much sense to take the chance. So, I went ahead and got a lower coolant piece from an L28. Since I am going heater delete, this one allows me to put a flush threaded plug in the end, looks much better. No longer available through Nissan, so I found them at JDM-Parts.com. Not cheap, but.....
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I went ahead and got a lower coolant piece from an L28. Since I am going heater delete, this one allows me to put a flush threaded plug in the end, looks much better. No longer available through Nissan, so I found them at JDM-Parts.com. Not cheap, but.....
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1-28-2023 UPDATE: Crank is done. cut .010 under on all journals and no has ZERO runout. Block was tanked and magnafluxed, came out great. Is awaiting boring now.
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Thanks to everyone who helped me.....I bought a K case R180 with a 4:11 gear set in it, all cleaned up and ready to go, including the bolt in sides. So good to go!
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01-28-2023 UPDATE: I have been working on my water neck that splits off to the heater. Since I am heater deleting my 240Z I decided to look into blocking off the port in a nicer way. So, I went to Lowes and bought a rubber plug that was tapered, and got one that fit right in. Then I coated it with Gorilla glue and pushed it in. After a couple hours, I checked it and it was permanently in there. So I held it up and poured water from the inside which actives the gorilla glue and then filled it up with gorilla glue from the inside. Now, because this stuff expands, I had to keep wiping it smooth. This will all be sanded up inside and cleaned up, but once this is done, it will look much cheaner than a piece of tubing with a bolt in it to block it off. So, more to come on this. Also an update on the block, it is all cleaned up, was magnafluxed and all is well, and is going to be bored shortly. Its been so cold you have to enjoy ANY progress. Heres a couple of pics in mid finished state. Cheers.
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01-22-2023 UPDATE. I finally finished up the engine bolt cleaning!. All cleaned up and ready for the block when it gets back from the shop. Crank is done....010 under all the way across, ZERO run out, nice and straight. I also wire wheeled up the driveshaft then cleaned it up. Then before I went in for the day, I got one side painted. Once dry I will flip it over and paint the other side. Look at the pic, this is the 2nd wire wheel I have completely wore out on this car......but hey it's Progress. Hey it's cold! I have heater in the pics, and it's keeping it manageable. But a one car garage is rough.
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Thanks for the kind words.
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a pic of the rack painted. crummy pic, but.....
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01-14-2021 UPDATE: More progress......cleaning bolts up with the wire wheel in the drill and a pair of pliers to hold them. Then painting of more parts, and replaced the steering rack mounting bushings......went with urethane this time, and painted the K memberr. Lastly I spent some time cleaning uo the compartment before calling it a day. Pics follow. :)
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01-09-2023 UPDATE: Well I got the block, rods and pistons down to the machine shop, and the crank should be done tomorrow. They ended up going .010 under on all the journals and got the runout completely out of it. So after all of that, I went ahead and began the process of cleaning up and prepping all the stuff to be put back on when the block gets back. I painted the engine plate and washer for the harmonic balancer in the Same "Old Ford Blue" I will paint the block with. It's a Duplicolor engine paint. Distributor, misc bolts, etc all cleaned up and buffed out with steel wool, I just need to paint the motor mounts and transmission mount......I still have a few more engine bolts to clean, then it is on to getting the crossmember, etc. painted in the car, that I couldn't really get to before when the engine was in. Pics
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Yeah, it definitely takes time.
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01-01-2023 UPDATE. Happy New Year! I was able to use my new carbide burr bit, and get closer to having the block ready to go to the machine shop. Clearancing, clearancing, clearancing. Because I am boring so much, I can't fully clearance the bottoms of the bores until it is back, but I was able to finish the sides. Pics follow.
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K1 Forged H beam Rods with ARP 2000 bolts I got from Steve Bonk.
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01-01-2023 UPDATE. Happy New Year! I was able to finally get the engine and transmission out and into the bed of it's new home. I also was able to use my new carbide burr bit, and get closer to having the block ready to go to the machine shop. Clearancing, clearancing, clearancing. Because I am boring so much, I can't fully clearance the bottoms of the bores until it is back, but I was able to finish the sides. Pics follow.
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12-29-2022 UPDATE. Big day! My custom pistons from Traum arrived. Time to send the block and these in for boring, etc.
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12-29-2022 UPDATE. Big day! My custom pistons from Traum arrived. Time to send the block and these in for boring, etc.
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12-24-2022 UPDATE: Merry Christmas everyone! Today I began disassembling everything to remove the existing engine and transmission. After that, I removed the head and intake and exhasut manifolds all as one single piece. Hooked up the hoist and pulled it all off! Amazed at how the head already looks like the valves are been un-shrouded. It appears that the head still has it's brass valve seats. Oh well. Even after draining the fluids, it still ends up messy and the remnants find a way to leak all over. The top end is ready to go on the stroker short block, but I will do a bit of extra cleanup. Next I pull the block and finish prepping the block. The pistons will be here in a couple of days and it all goes to the machinist. The rear diff will wait until this is done.
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12-22-2022 UPDATE: Well good news today, my pistons are in the mail.....crank almost done. Block is going to the machine shop to get a lot of work done, as well as the rotating assembly. I may have him assemble the rotating assembly since he is a pro and I need it perfect.....I can do the rest....we shall see. He is very skilled, likes to stick the bearings in the con rods and measure to ensure tolerances are as good as possible, so that may be an option I would be crazy to skip at this point So, things are starting to come together. My shift knob and shift boot arrived.
L6 head already ported
in Parts Wanted
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Interested in a L6 head already ported.