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FrankenFerrari - V12 ferrari 308 part 4
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Author:  mk e [ Mon Aug 22, 2022 7:56 am ]
Post subject:  Re: FrankenFerrari - V12 ferrari 308 part 4
TheDarkSideOfWill wrote:

Is there a calendar in your house?


Not that's published in any way. Its a lot like projects that materialize, there seems to be an "in case of ferrari work" emergency list and the only copy is securely stored in the pool house at Mar-a- Lago
Author:  MerlinTech [ Tue Aug 23, 2022 7:23 am ]
Post subject:  Re: FrankenFerrari - V12 ferrari 308 part 4
:shock: :lol: That's just funny right there.
Author:  mk e [ Tue Aug 23, 2022 6:25 pm ]
Post subject:  Re: FrankenFerrari - V12 ferrari 308 part 4
12 out

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Author:  mk e [ Thu Aug 25, 2022 5:17 pm ]
Post subject:  Re: FrankenFerrari - V12 ferrari 308 part 4
Paint removed

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Author:  mk e [ Fri Aug 26, 2022 1:55 pm ]
Post subject:  Re: FrankenFerrari - V12 ferrari 308 part 4
12 cleaned

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Author:  mk e [ Fri Aug 26, 2022 3:19 pm ]
Post subject:  Re: FrankenFerrari - V12 ferrari 308 part 4
I guess clean the block is next. A few came out clean but most left a lot of paint

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Author:  TheDarkSideOfWill [ Fri Aug 26, 2022 3:32 pm ]
Post subject:  Re: FrankenFerrari - V12 ferrari 308 part 4
Going to get the bores in the block hard chromed to bring the diameter down a little bit and fit the liners better?
Author:  mk e [ Fri Aug 26, 2022 6:49 pm ]
Post subject:  Re: FrankenFerrari - V12 ferrari 308 part 4
Time to put the crank back in

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Author:  mk e [ Fri Aug 26, 2022 7:46 pm ]
Post subject:  Re: FrankenFerrari - V12 ferrari 308 part 4
TheDarkSideOfWill wrote:
Going to get the bores in the block hard chromed to bring the diameter down a little bit and fit the liners better?


No, no, spray graphite is the plan this go round.
Author:  Syscrush [ Sat Aug 27, 2022 10:15 am ]
Post subject:  Re: FrankenFerrari - V12 ferrari 308 part 4
mk e wrote:
No, no, spray graphite is the plan this go round.

I don't want to sound like a broken record on this, but I would be really surprised if that works. When I had dry film lubricant coatings applied to my pistons, I was explicitly told that the bore clearance should be set before coating, and that the DFL coating was semi-sacrificial - that it would wear off the piston and embed in the bore in normal use. To me, that doesn't sound like something that has the dimensional stability you'd want for this application.

I don't know if what I was told is correct, but it's enough to make me nervous about this approach.

FWIW, I also found this:

Quote:
When applied to piston skirts, a dry film lubricant can allow closer piston-to-bore clearances for reduced piston slap and blowby. The added thickness of some coatings can actually restore worn piston skirts back to original tolerances while cushioning the motions of the piston in the bore.


Which suggests that your approach should be OK - as long as it's the right kind of coating. Did you get any feedback from the manufacturer?

Maybe I'm worrying about nothing, but I'd feel bad if I didn't share this concern.

Best of luck to you - I'm always amazed at how fast you get that engine apart and back together, but for your sake I hope that skill becomes obsolete very soon!
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