Engine Seized? - Page 32 - Alfa Romeo Bulletin Board & Forums
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post #466 of 572 (permalink) Old 05-30-2018, 12:51 PM
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I sent my injectors out to be cleaned and they came back with nicks.
Which is why I remove the hose before sending them out.

While I expect people to do a job how I would do it. They rarely do.
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1969 1750 Spider Veloce w/dual webers, 1969 1750 Berlina, 1971 1750 Spider Veloce w/ dual webers, 1985 Spider Veloce 23,000 orig. miles, {Two} 1986 Spider Veloces, 1987 Spider Veloce bought new, 1988 Quadrifoglio, 1991 164S, Plus several more. I think they are breeding.
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I just got 2 more. Now I have a Matta. I must be crazy.
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post #467 of 572 (permalink) Old 05-30-2018, 03:08 PM
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I sent my injectors out to be cleaned and they came back with nicks.
Did you remove the short hoses between the rail and the injectors to verify their condition before you sent out the entire assembly for cleaning? I wouldn't be too quick to condemn the injector service crew as it's possible the nipple barbs were already nicked by a previous owner or shop before you sent the unit out. Just sayin'....

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'88 Quad - "Claudia"
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post #468 of 572 (permalink) Old 05-30-2018, 03:12 PM Thread Starter
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Originally Posted by John533i View Post
I sent my injectors out to be cleaned and they came back with nicks.
How do you go about fixing that?

-Kevin
1988 Spider Veloce (with lots of 3D printed parts)
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post #469 of 572 (permalink) Old 05-30-2018, 04:08 PM
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If the nicks are very slight, no need to do anything. Or, install hose clamps. Or, find another set of injectors.

Rich Hanning
'65 Sprint GT, '78 Spider, '88 Quad
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post #470 of 572 (permalink) Old 05-31-2018, 08:35 AM Thread Starter
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I 3d printed a bushing for my VVT solenoid using TPU:



I never was able to get the big nut loose from the housing, so the 3d-printed bushing simply replaced the original rubber. You'll notice the vice-grip marks on the solenoid housing.

I drove everything home using a large socket and rubber mallet; the flexible material made for a nice compression fit. Once everything was aligned and working correctly, I have 3mm of material showing at the front. I'll monitor its position to ensure it is secure. If it shows evidence of shifting, I'll reinstall it with epoxy.

-Kevin
1988 Spider Veloce (with lots of 3D printed parts)
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post #471 of 572 (permalink) Old 05-31-2018, 07:37 PM Thread Starter
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I am literally ready to drop the engine back into the Alfa. I am genuinely concerned that I haven't yet found a home for my mystery bolt:

Post #415 Mystery Bolt

I've been quite diligent during re-assembly, and haven't found any unoccupied holes. The aluminum washer on the bolt looks as if it is sealing against a fluid, but I cannot find any place on the head, block, or oil pans that has a vacant opening.

There is the possibility that this came from my wife's '76 Super Beetle; I had to remove several engine components to replace her alternator a few weeks ago. However, there also, I have no vacancies for this bolt.

It's starting to haunt my dreams!

-Kevin
1988 Spider Veloce (with lots of 3D printed parts)
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post #472 of 572 (permalink) Old 05-31-2018, 08:06 PM
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Name:  20180531_225529_1527821985747.jpg
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Size:  18.6 KBMaybe this is it, to the right of the oil return cover. For some reason, posting a picture via the phone rotates it 180 degrees.
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Rich Hanning
'65 Sprint GT, '78 Spider, '88 Quad

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post #473 of 572 (permalink) Old 05-31-2018, 09:10 PM Thread Starter
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Attachment 1497241Maybe this it, to the right of the oil return cover. For some reason, posting a picture via the phone rotates it 180 degrees.
I think we have a winner! I looked under the flywheel, and sure enough, there's a hole with no bolt in it! I somehow missed it during that stage of reassembly, and then it was obscured by the flywheel. Of course, the bolt is too long to simply slide in underneath the flywheel and tighten...so the whole flywheel has to come off.

At least I can sleep peacefully tonight!

On another note, my engine block is the style without that cover plate that bolts on above the main seal. What's the difference?

-Kevin
1988 Spider Veloce (with lots of 3D printed parts)

Last edited by Shakey; 06-01-2018 at 06:03 AM. Reason: typo
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post #474 of 572 (permalink) Old 05-31-2018, 09:56 PM
Interesting. When I spun my recently assembled 2L for the first time (no plugs) I was shocked to see oil flowing out of the bell housing. So much do that I thought I'd forgotten the main seal. When I pulled the flywheel off the seal was intact but the "mystery plug" was missing. The hole was threaded and I figured someone had drilled out the aluminum plug to clean the oil passage and then tapped it to put a threaded plug back in. Now I'm thinking that was the factory setup for the newer blocks. I'm guessing this changed with the switch to Bosch FI - my SPICA and carbed blocks just have aluminum plugs pounded into the hole.
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post #475 of 572 (permalink) Old 05-31-2018, 10:08 PM
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from the layout of your engine, it looks like that is a cap on the main oil gallery. Probably has the plug so the factory can clear out the oil gallery. The threaded plug is then obvious.

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post #476 of 572 (permalink) Old 06-01-2018, 05:14 AM
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When I pulled the flywheel off the seal was intact but the "mystery plug" was missing. The hole was threaded and I figured someone had drilled out the aluminum plug to clean the oil passage and then tapped it to put a threaded plug back in. Now I'm thinking that was the factory setup for the newer blocks. I'm guessing this changed with the switch to Bosch FI - my SPICA and carbed blocks just have aluminum plugs pounded into the hole.
My car has a 2.0L block from a early 70s 115 car. It had an aluminum plug with no head at this location, but as informed by my Alfa specialist, that plug was actually threaded in place. On his advice, I drilled a small pilot hole in the center of the plug and used a quality screw extractor to remove that plug. I replaced it with a hex-bolt plug as discussed in this thread.

Rich

'85 Spider Veloce
'17 Giulia Ti Sport
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post #477 of 572 (permalink) Old 06-01-2018, 05:55 AM
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Glad you found it!

The passenger seat is 15 miles an hour faster than the drivers seat.

currently
2017 Giulia Q4
74 GTV restored daily driver
71 Berlina in 2L restored driver
the ones that got away:
1959 750 series Giulietta Spider Veloce
1962 Giulietta Spider normale
1965 Giulia Sprint normale
1972 GTV
1974 GTV
1974 GTV
1977 Spider
1974 Spider
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post #478 of 572 (permalink) Old 06-01-2018, 06:58 PM Thread Starter
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I pulled the pressure plate and flywheel. I installed the 'mystery' bolt with a bit of sealant, torqued it down, then put everything back together.

I did a bit of a dry run this evening with the engine stand and engine hoist, to ensure I had everything ready. I had forgotten that I wanted to cut the heat shield off the exhaust downpipe, so I'll get that done tomorrow afternoon.

Then, everything should be ready to drop the engine back in the Alfa! I'm excited to get it back together.

-Kevin
1988 Spider Veloce (with lots of 3D printed parts)
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post #479 of 572 (permalink) Old 06-01-2018, 07:08 PM
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Glad you found it. The picture was taken of an Alfetta block (from Ed Prytherch, alfaparticle). My '82 Bosch block has the same, stamped cover. The original block that was in the '88 did not. Sounds like you are set for the install.

Rich Hanning
'65 Sprint GT, '78 Spider, '88 Quad
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post #480 of 572 (permalink) Old 06-02-2018, 05:07 AM
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You dodged a fifty caliber bullet, whew!

The passenger seat is 15 miles an hour faster than the drivers seat.

currently
2017 Giulia Q4
74 GTV restored daily driver
71 Berlina in 2L restored driver
the ones that got away:
1959 750 series Giulietta Spider Veloce
1962 Giulietta Spider normale
1965 Giulia Sprint normale
1972 GTV
1974 GTV
1974 GTV
1977 Spider
1974 Spider
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