105 1750 GTV Head Removal - Page 3 - Alfa Romeo Bulletin Board & Forums
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post #31 of 67 (permalink) Old 06-09-2019, 06:40 PM
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“..turns out my car didn't come with a black engine block!”

WHAT???

Dang.
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post #32 of 67 (permalink) Old 06-09-2019, 08:31 PM Thread Starter
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I know.. outrageous!!

Anyway, a most satisfying outcome... the cleanest the engine and engine bay has been in a long time. Good enough job for an inplace clean.

Also had a little bit of project creep.... took the water pump off too...! Thanks to all those who paved the way previously with the double bolt trick on the lower studs. Ironically the workshop manual says undo all the bolts and remove... if only it was that simple!! Also thinking about replacing the fuel lines to and from the fuel pump. Had a good read all about clamps in another thread, particularly the Copiglia fuel line clamps. Can I just replace with jubilee clamps?

And... now also thinking about replacing that engine mount whilst I'm here! So much for just a head gasket change..

Oh, any words of wisdom for cleaning the head and block surfaces (aside from elbow grease!)??
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post #33 of 67 (permalink) Old 06-09-2019, 09:25 PM
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Crikey, that’s pretty clean for a in place job, well done!

Let me get the this right, you’re now asking for project creep ideas ?
Ha!

0. Absolutely, engine mounts, both sides while you can... standard is fine
1. Absolutely replace all fuel hoses, yes jubilee clamps are fine
2. Inspect the vacuum (brake booster) and heater hoses while you have easy access
3. Send your manifold out for some pretty ceramic coating
4. Send the alternator out to the same people to rebuild your stater

How much of your money am I allowed to spend??

5. I can see the clutch slave cylinder, how old is the hose?
6. Any evidence of the ground strap from the gearbox to body?
7. Install 123Ignition (Bluetooth)
8. Drop the sump and ship the oil pump to local alfisti for rebuild
9. Whip out the liners/pistons, just replace with Spruell HC stuff
10. Radiator....
11. Replace the oil pressure sender (above starter, below carbs), it will be a pain later, there are two types, rookie trap
12. I could do this all day

Where’s your engine number ... or did you polish it off?


13. Roll pin kit for head gasket oil control

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post #34 of 67 (permalink) Old 06-10-2019, 01:38 AM
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Originally Posted by Craig_m67 View Post
Crikey, that’s pretty clean for a in place job, well done!

Let me get the this right, you’re now asking for project creep ideas ?
Ha!

0. Absolutely, engine mounts, both sides while you can... standard is fine
1. Absolutely replace all fuel hoses, yes jubilee clamps are fine
2. Inspect the vacuum (brake booster) and heater hoses while you have easy access
3. Send your manifold out for some pretty ceramic coating
4. Send the alternator out to the same people to rebuild your stater

How much of your money am I allowed to spend??

5. I can see the clutch slave cylinder, how old is the hose?
6. Any evidence of the ground strap from the gearbox to body?
7. Install 123Ignition (Bluetooth)
8. Drop the sump and ship the oil pump to local alfisti for rebuild
9. Whip out the liners/pistons, just replace with Spruell HC stuff
10. Radiator....
11. Replace the oil pressure sender (above starter, below carbs), it will be a pain later, there are two types, rookie trap
12. I could do this all day

Where’s your engine number ... or did you polish it off?


13. Roll pin kit for head gasket oil control
LOL LOL LOL caught another one

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post #35 of 67 (permalink) Old 06-10-2019, 01:49 AM
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Ha!

ajt_watching needs to change his user name to ajt_now_caught

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post #36 of 67 (permalink) Old 06-11-2019, 06:07 AM Thread Starter
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Ha!

ajt_watching needs to change his user name to ajt_now_caught
I love this stuff!

Appreciate all the ideas!

Well so far my "simple" head gasket change has now morphed into:

* new water pump
* new starter motor
* new cooling and vacuum hoses
* new fuel lines in the engine bay
* aluminum carb mounts
* engine mounts

The 123 is definitely on my wish list but that'll have to come later! Earth strap is good, and I'll be getting the radiator checked.

I think with all that, I'll probably have to tap out until I've saved up for the next round of improvements!!
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post #37 of 67 (permalink) Old 06-11-2019, 06:11 AM Thread Starter
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Any hot tips for cleaning the head surface and the block? 20 years of residue to scrape off!!
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post #38 of 67 (permalink) Old 06-15-2019, 09:13 AM Thread Starter
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Next weekend update.... cleaning all these gasket surfaces is a pain in the butt!!

Anyway, do I need to be concerned about pitting on the head where the studs come through?

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post #39 of 67 (permalink) Old 06-15-2019, 05:40 PM
That's not serious pitting from what I can see. I've seen deep craters that extend to the liner. Those I'd worry about...

Regarding dizzys: as much as I love 123s and use them whenever budget allows, for a stock motor a pertronix module is a smart alternative. As long as your dizzy has good advance weights and bearings you'll get 90% of the 123 for under $100...

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post #40 of 67 (permalink) Old 06-15-2019, 08:15 PM Thread Starter
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Thanks Rich,

Appreciate the input again! Well my 0.001 feeler gauge didn't slip through anywhere.. so maybe I can spare a trip to the machinist.

Thanks also for the tip on the pertronix module. I'll check that out too!!
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post #41 of 67 (permalink) Old 06-15-2019, 08:57 PM
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Thanks Rich,

Appreciate the input again! Well my 0.001 feeler gauge didn't slip through anywhere.. so maybe I can spare a trip to the machinist.
Do yourself a favor and let the machine shop surface the head. It doesn't cost that much.

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I just got 2 more. Now I have a Matta. I must be crazy.
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post #42 of 67 (permalink) Old 06-15-2019, 09:07 PM
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Thanks Rich,

Appreciate the input again! Well my 0.001 feeler gauge didn't slip through anywhere.. so maybe I can spare a trip to the machinist.

Do yourself a favor and let the machine shop surface the head. It doesn't cost that much.

I wouldn't argue with the master!

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post #43 of 67 (permalink) Old 06-16-2019, 01:55 AM
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Here is what I insist on and do to be thorough, which may help you or the new owner in the long run.
a. Pull the engine out.
b. Completely strip the engine down
c. If the liners are in good condition you can either clean the liners using a mechanical method on the outside then soak them in a molasses solution to get rid the remaining rust build up on the outside of the liner. Or buy new pistons and liners as checking / cleaning cost can escalate if you are paying some one else to do it, so a waste of money, false economy in the long run.

The real issue I think for you is the crusted on rust stains on the inside alloy and water pump area of the block and the head studs.

Soaking the block in molasses solution may get rid of the rust stains, I have tried it with moderate success.

I have seen blocks placed in acid to clean them. Acids used in cleaning your alloy block not only cleans the block, but the acid eats away at your precious alloy block (especially at the liner sealing surfaces and where the crank sits/caps) and the steel head studs at the same time! Try and avoid this acid method if possible.

Cheers Steve

Last edited by Steve105; 06-16-2019 at 03:44 PM.
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post #44 of 67 (permalink) Old 06-17-2019, 05:00 AM Thread Starter
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Thanks Steve. I got the top of the studs nice and clean.. but yep, there's definitely something sinister going on down below!! Thanks for sharing from your experience. This is the first time I've really got deep under the hood of my car so really appreciate all the comments.

And thanks Rich and Jim... you guys have been regular contributors on my journey here!! Appreciate all the input.

To the Aussie audience, any well known machine shops in Sydney who can look after my head? I searched the forums but nothing jumped out. Otherwise I'll sniff around myself and see what I can find.
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post #45 of 67 (permalink) Old 06-17-2019, 07:03 AM
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Shaving the head to get rid of pitting and rust staining in the water jacket area is just wrong!!
As said, yours are very slight and you dont want to take so much material off the head....The solution is to run the right anti-freeze with distilled water!!

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