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Author Topic: Flaminia engine rebuild  (Read 1556 times)
0 Members and 4 Guests are viewing this topic.
lancianut666
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Slow but rough


« on: 11 October, 2024, 08:00:46 PM »

Hi all
Any one got any advice on reboring the liners in a 2.5 litre block? Remove or not remove?
Clarkey
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
Dave Gee
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« Reply #1 on: 12 October, 2024, 09:00:43 AM »

The most important thing to do first and foremost, is to check the height of the liner above the block as I would always bore liners in the block. Over a period of time the gasket at the bottom crushes into the aluminium and the liner sinks. If the liners have already sunk, they need taking out, cleaning and new gaskets making before then putting back in and rechecking measurements.
The liners need to be2-3thou above the block before you start reboring.

Somewhere on this forum, around Christmas 2014 there was an article on the building of my 3C Flaminia engine, covering all this. I still have the clamping plate I made which hold the liners into the block. Let me know if you want to borrow it. 07970421633 Dave Gee
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Richard Fridd
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« Reply #2 on: 12 October, 2024, 09:21:19 AM »

 Dave's photo


* Boring Bar Set up R.jpg_thumb.png (812.12 KB, 600x800 - viewed 369 times.)
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Richard Nevison Fridd                                                                      Happy Lancia, Happy Life
peteracs
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Posts: 916



« Reply #3 on: 12 October, 2024, 08:56:15 PM »

I think this is the thread Dave is talking about re engine build.

http://www.lancia.myzen.co.uk/forum/index.php?topic=7718.msg54903#msg54903

Peter
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Beta Spyder S2 pre F/L 1600
Beta HPE S2 pre F/L 1600
lancianut666
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Posts: 1781


Slow but rough


« Reply #4 on: 28 October, 2024, 05:05:56 PM »

Hi all
Big thanks to Dave Gee for putting up with my questions during my delightful day in deepest darkest Leicestershire receiving the words of wisdom on rebuilding the engine as well as getting a loan of some very useful tools.
Clarkey
ps the engine man has the tools and he says he will start the rebore ASAP
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
lancianut666
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Posts: 1781


Slow but rough


« Reply #5 on: 15 November, 2024, 05:22:24 PM »

Hi all
Popped in to see the engine man and they had started taking the liners out but the first one they tried was so tight it snapped the threaded bar...To their credit they did not give up and sourced some high tensile threaded bar and will set to again next week. I sense great jets of flame and lots of swearing.
Clarkey


* liner trouble.jpg (959.6 KB, 2500x3333 - viewed 15 times.)
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
Kevinlincs
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« Reply #6 on: 15 November, 2024, 08:59:16 PM »

3 of the 4 liners on my Flavia engine came out fairly simply with a home made pller system like that, one though needed to be pressed out in the bearing press to get it moving. Could it be done with that V6 block? It's amazing how much more force can be generated in a press rather than the stretchy nature of threaded bar, and it's pretty easy to control.
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Flavia 815 coupe
Delta integrale
lancianut666
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Posts: 1781


Slow but rough


« Reply #7 on: 15 November, 2024, 10:24:00 PM »

Hi Kevin
I might suggest it to the engine man. On another point has anyone used the plastic type liner gaskets provided in gasket sets, an opinion is that they might be better made from paper as this is more squashy.
Clarkey
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
lancianut666
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Slow but rough


« Reply #8 on: 17 November, 2024, 12:12:58 PM »

No one used the new style plastic? liner gaskets?
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
Kevinlincs
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« Reply #9 on: 17 November, 2024, 11:03:09 PM »

I used Copper sheet, can't recall who put me onto it as it's what they use to make liner base gaskets, but it worked well as far as ease of making.
It's available fairly cheap via places like eBay in A4 size sheets in various thickness to suit and can be cut with ease using ordinary scissors.
0.05mm was what I used which when the block seat and liner base was thoroughly cleaned created just the right amount of sitting proud to allow the liners to compress and seal to the head gasket when the heads are bolted down. A very thin smear of blue hylomar was deemed enough as the liner seal just has to keep water out of the crankcase, not like it has to withstand compession pressures like at the top, where you need that offset height in relation to the block heght to make the seal.
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Flavia 815 coupe
Delta integrale
lancianut666
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Posts: 1781


Slow but rough


« Reply #10 on: 19 November, 2024, 07:54:54 AM »

Thanks for the info on the liner seals Kevin. I had a chat with the engine man yesterday and he has used the plastic type seals recently on a Lotus with no problems so will let them get on with it. Found a powder coating company local to me so thought I would see how they perform with some tinware and rocker covers from the Flaminia engine. When I took the parts in the quote was £50 and I thought it would be worth it just to get the steel air filter container tidied up for that.see pictures
Clarkie


* tinware.jpg (601.62 KB, 2500x3333 - viewed 13 times.)

* more tinware.jpg (620.88 KB, 2500x3333 - viewed 15 times.)

*  (1144.15 KB, 2500x3333 - viewed 16 times.)
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
lancianut666
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« Reply #11 on: 19 November, 2024, 07:57:31 AM »

I appreciate the rocker covers should be 'crackle' finish but I don't like it as it holds the dust and oil too easily.Plus it seems to flake of over time.
Clarkie
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
Kevinlincs
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« Reply #12 on: 20 November, 2024, 08:48:23 PM »

I'm a big fan of powder coaters, getting stuff blasted then coated makes for a great job and is way easier than trying to clean off the rust.
If I recall that air filter housing was quite rusty on those vents, would be very time consuming to try and clean up and would probably still have bits that would annoy and give the "should have taken longer" feeling after painting.
Nice to have a bit of bling to inspire  Cool
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Flavia 815 coupe
Delta integrale
lancianut666
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Posts: 1781


Slow but rough


« Reply #13 on: 29 November, 2024, 05:12:20 PM »

Hi all
No real progress with the liner removal so as predicted the oxy acetylene torch is coming out to play on Monday. The machine shop tried warming the block up with a big space heater to no avail.
Clarkey


* cold shoulder.jpg (1035.31 KB, 2500x3333 - viewed 12 times.)
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
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