Bottom end rebuild...
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Ripped all the wiring off, got the oil lines out, and removed the turbo from the engine. One of the studs came out in the process, so that'll have to be put back in there. 
All in all, it was way too cold to rip the engine out. So tonight that will begin. I will remove the tranny bracket from the back, take the mounts off the front, I think there's only two which is a godsend. I'll lower the car back down, and back the engine out. I can't wait to get it on the stand, and rip her apart. Im all excited and sheet.
Tear down should happen this weekend, and I'll see the extent of the damage. Let's hope I didnt put a crack/hole in teh piston. Else she'll be down a bit longer. I want it broken in, and tuned on 22psi by track day.
All in all, it was way too cold to rip the engine out. So tonight that will begin. I will remove the tranny bracket from the back, take the mounts off the front, I think there's only two which is a godsend. I'll lower the car back down, and back the engine out. I can't wait to get it on the stand, and rip her apart. Im all excited and sheet.Tear down should happen this weekend, and I'll see the extent of the damage. Let's hope I didnt put a crack/hole in teh piston. Else she'll be down a bit longer. I want it broken in, and tuned on 22psi by track day.
Sideways Maffia
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the 2nd gen maximas 1989-1994 electric fans require a bit of cutting and some adapter plates...i have pix on a thread of them after i installed them...they work great.
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i'm doing a bottom end rebuild now too. when i pulled the head, i noticed the head gasket was blocking off a few of the larger coolant passages between the cylinders. some of the passages don't go into the head (N47), but a few do, and about 1/3 of those were blocked by the gasket. during the summer the engine didn't get absurdly hot though. seeing as how we both have the F54 block, i figured i'd let ya know. the gasket i was using was felpro and the new one i just bought is also felpro. oh well... good luck on the tear down. btw, the crank pulley bolt is 27mm and the cam sproket bolt is 19mm. it should be the same with yours.
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yup. 
Thanks for the info. I wasn't sure on the crank bolt. 
I can't wait to get her on the stand again. When I replaced my HG I didnt see any passages blocked off from the head. But I have a P90, so they just might not be there? I may have over looked it. I derno.
Thanks for the info. I wasn't sure on the crank bolt. I can't wait to get her on the stand again. When I replaced my HG I didnt see any passages blocked off from the head. But I have a P90, so they just might not be there? I may have over looked it. I derno.
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Welcome back everyone.
Long night tonight, we drove all the way out to Hudson to pick up the lift and stand. Once we got home, and situated the equipment, we removed the speedo cable, the throttle linkage, the engine mounts and rear tranny bracket. We were in a bit of a rush last night, so all we did was strap the engine down securely, lifted it slightly to be sure of clearance and know weather or not we missed anything.
Tonight, we lower the car off the jackstands, remove the MAF bracket, since it's hitting the AC Compressor. We will remove the engine and tranny tonight, and put it on the stand. From there we're taking a break until Saturday when we have more light, and to go out and have some rest time Friday night, and spend some time with my angel. Maybe even enjoy a few beeraholic beverages.
Long night tonight, we drove all the way out to Hudson to pick up the lift and stand. Once we got home, and situated the equipment, we removed the speedo cable, the throttle linkage, the engine mounts and rear tranny bracket. We were in a bit of a rush last night, so all we did was strap the engine down securely, lifted it slightly to be sure of clearance and know weather or not we missed anything.
Tonight, we lower the car off the jackstands, remove the MAF bracket, since it's hitting the AC Compressor. We will remove the engine and tranny tonight, and put it on the stand. From there we're taking a break until Saturday when we have more light, and to go out and have some rest time Friday night, and spend some time with my angel. Maybe even enjoy a few beeraholic beverages.
Last edited by Cronic; Dec 16, 2004 at 08:17 AM.
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Just a thought... you may want to try keeping the back end up on stands. On the '79-83 zx's the front of the trans tunnel ALWAYS gets in the way. I've never actually tried keeping the back end up with a 280zx, but it helps alot with the 240z. Anyways, the theory is that if the rear is up, the trans tunnel will be a little higher than normal compared to the top radiator support. Since the whole freaking engine/trans is like 5ft long any small amount of space gained makes a big difference... my $.02
I've got all the replacement parts now so I'll be pulling the pistons out of the block tonight.
I've got all the replacement parts now so I'll be pulling the pistons out of the block tonight.
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I would use a micrometer on the rod and main pins and block/rods... especially since this is an older engine. Put whatever size bearings in (rods and mains).. and TQ the caps down (rods and mains). Don't put the crank in.. just TQ the caps down without the crank in. Using your mic, measure each hole. Then, measure each corresponding pin on the crankshaft. Subtract the number that you measured from the pin from the number measured from it's corresponding hole (block) and that'll give you your clearance. Do the same with the rods. I know it's a pain in the ass.. but it's worth it. You'd hate to pull it apart again for a spun bearing.. or low oil pressure..
Travis
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Thanks everyone. We got the engine out last night, and there were no snags at all with that. I did however forget to remove the PS pump, woops, that was messy, and partially tore one of the lines. 
Other then that I just lifted up on the bottom of the crank pulley and the rear of the engine just laid down and allowed me to pull it out, we slid the lift sideways and removed the engine. I couldn't get it on an engine stand since my tranny bolts weren't long enough, so it's sitting on the lift as you read this. Im having a friend get the bolts for me this afternoon, and hopefully have it on the stand by tonight. Saturday Im going to pull the head off, and the rest of the bottom end, and see how messed up everything is.
Stay tuned for more fun... same bat time, same bat channel.
Other then that I just lifted up on the bottom of the crank pulley and the rear of the engine just laid down and allowed me to pull it out, we slid the lift sideways and removed the engine. I couldn't get it on an engine stand since my tranny bolts weren't long enough, so it's sitting on the lift as you read this. Im having a friend get the bolts for me this afternoon, and hopefully have it on the stand by tonight. Saturday Im going to pull the head off, and the rest of the bottom end, and see how messed up everything is.Stay tuned for more fun... same bat time, same bat channel.
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And for our next installment...
I got the engine on the stand, we took off the oil pan, which took quite a bit of finesse. Immediatly we see a nice chunk of piston skirt sitting there. It had been bouncing around for who knows how long, and after some review of the internals... we find out it's cyl 2. Interestingly enough, this cylinder had perfect compression durring the testing. :o
Once we cleared that out and set the oil pan asside, we remove piston 1. I notice uppon inspection that the ringlands are indeed cracked.... not only cracked but CHUNKS are actually falling out as I rotate the piston.
So I remove 1 and 2 piston and rod, set them asside and start the clean up. While putting the oil pan asside, I hear a thunk.... Yet ANOTHER chunk of piston of unknown origin is sliding around in there. I get it out and set them both asside.
Yes. I have pix. I'll have to upload those later. They're all too big, and Im getting out of here.
Amazingly the top of the pistons look brand new. It's crazy. The bearings all looked good as well, which is a good sign.
Thanks everyone, I found a couple pistons, from my friend Turbo-Max, who as always saves my ass.
I'll be ordering the parts monday and hopefully with any luck, the engine will be in and working by friday. I can't wait.
I got the engine on the stand, we took off the oil pan, which took quite a bit of finesse. Immediatly we see a nice chunk of piston skirt sitting there. It had been bouncing around for who knows how long, and after some review of the internals... we find out it's cyl 2. Interestingly enough, this cylinder had perfect compression durring the testing. :o
Once we cleared that out and set the oil pan asside, we remove piston 1. I notice uppon inspection that the ringlands are indeed cracked.... not only cracked but CHUNKS are actually falling out as I rotate the piston.
So I remove 1 and 2 piston and rod, set them asside and start the clean up. While putting the oil pan asside, I hear a thunk.... Yet ANOTHER chunk of piston of unknown origin is sliding around in there. I get it out and set them both asside.
Yes. I have pix. I'll have to upload those later.
They're all too big, and Im getting out of here.Amazingly the top of the pistons look brand new. It's crazy. The bearings all looked good as well, which is a good sign.
Thanks everyone, I found a couple pistons, from my friend Turbo-Max, who as always saves my ass.
I'll be ordering the parts monday and hopefully with any luck, the engine will be in and working by friday. I can't wait.
