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Cosworth yb inlet/harmonic damper

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Old 05-01-2015, 05:39 PM
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105epwr
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Default Cosworth yb inlet/harmonic damper

Hi
I'm in the process of building a new motor with a AS inlet which don't have the support as the earlier cast's did.

So...

I've fabricated a lug on to use as a support and purchased the 6 bevelled
Washer as they had as standard.

My question is does anyone no or how will I find out the sequence of these bevelled washer?

Thanks
Old 05-01-2015, 06:20 PM
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costina
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There is a pic in the cosworth bible. Some should have it on here.
Old 05-01-2015, 06:50 PM
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I've just "googled" cosworth manual and 993 pages later I've found the sequence of
(())((
Old 05-01-2015, 08:21 PM
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Tbh i think most people just remove the bracket all together
Old 05-01-2015, 08:39 PM
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105epwr
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I bet 90% of Cossie's dont have them fitted lol
I found an image on here where the manifold ripped away from the head from where it wasn't attached and looked a right mess!
Old 05-01-2015, 08:43 PM
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https://passionford.com/forum/genera...ght=inlet+hart
On page 1 at the bottom ��
Old 05-01-2015, 08:44 PM
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Jay,
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Not saying it wont happen but fletch's inlet snapping off maybe because the harmonic bracket wasnt fitted is the first I have heard of in the 20 years of being around cossies

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Old 05-01-2015, 08:48 PM
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105epwr
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I hear what you are saying but for what it takes and how much 6 bevellled washers cost
Is it really worth skipping?
I could't afford to replace a ported cosworth head now lol

Surely it's there for a reason?

Last edited by 105epwr; 05-01-2015 at 08:49 PM.
Old 05-01-2015, 08:53 PM
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Yes it is and I am in the same position as I have just fitted one and there is no fitting there for it on the AS inlet and just hoping its ok until I put my next engine in and ill weld a bracket on it
Old 05-01-2015, 08:57 PM
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I'm quite surprised they removed them from the later casts
I've seen some pics of the first type that AS made with a fitting/bracket part of the casting
Old 05-01-2015, 09:03 PM
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Cheap way of casting more than likely not a great idea and If I was made aware of it I wouldnt of got it but i didnt pay no attention and wanted it fitted over xmas
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