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Valve clearances
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Topic: Valve clearances (Read 1402 times)
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FERGTS246
Senior Member
Posts: 170
Valve clearances
«
on:
07 June, 2023, 11:21:11 AM »
Hi, I recently re-set my valve clearances. They were set at about 0.10 intake, 0.15 exhaust so I adjusted them to figures in the handbook 0.15 intake, 0.25 exhaust. They are now a bit noisy, whereas they weren't before.
I read sometime ago that the tappets are a bit noisy when set to correct gaps - does anyone agree with this? What is the main problem with having clearances a bit tighter than the official spec?
Thanks Chris
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lancialulu
Press Officer
Permanent resident
Posts: 5005
Re: Valve clearances
«
Reply #1 on:
07 June, 2023, 12:21:30 PM »
Are they noisy after a 100 mile blast?
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Its not the winning but taking part! or is it taking apart?
Lancias:
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GG
Megaposter
Posts: 563
Re: Valve clearances
«
Reply #2 on:
07 June, 2023, 01:02:18 PM »
There is noisy, and then there is slightly noisy. It should sound like a nice sewing machine - if you don't hear anything, they are too tight. If it sounds disruptive, too loose. And yes, a bit quieter after a good warmup as noted above.
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Appia C10, Flavia 2000 coupe, Fulvia Fanalone
Richard Fridd
Permanent resident
Posts: 3472
Re: Valve clearances
«
Reply #3 on:
07 June, 2023, 02:37:20 PM »
To answer the question of too tight. Valves not seating fully. Too loose would affect valve timing slightly. Checked mine today also.
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Richard Nevison Fridd Happy Lancia, Happy Life
FERGTS246
Senior Member
Posts: 170
Re: Valve clearances
«
Reply #4 on:
07 June, 2023, 04:30:47 PM »
Hi All, thanks for your responses.
I haven't consciously checked after a 100 mile blast but I'm pretty sure I would have noticed if they had quietened down. I would say 'noisy' not 'very noisy'.
I'll take for a blast and check the noise.
Chris
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FERGTS246
Senior Member
Posts: 170
Re: Valve clearances
«
Reply #5 on:
29 July, 2023, 12:46:18 PM »
I've bought a SPQR tappet adjuster to reset the tappets. As this tool allows for wear, I expect that the settings I found were probably correct and I've set them too big with just feeler gauges and therefore had not allowed for wear. Chris
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Richard Fridd
Permanent resident
Posts: 3472
Re: Valve clearances
«
Reply #6 on:
29 July, 2023, 08:23:13 PM »
How does it work?
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Richard Nevison Fridd Happy Lancia, Happy Life
FERGTS246
Senior Member
Posts: 170
Re: Valve clearances
«
Reply #7 on:
30 July, 2023, 03:38:10 PM »
Richard, See attached pdf with instructions. Chris
Gunson Click Tappet Adjuster Instructions.pdf
(2833.57 KB - downloaded 77 times.)
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