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 Rocker Shaft Supports
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Dynorog
V4 Fanatic

United Kingdom
249 Posts

Posted - 24 Apr 2017 :  21:02:03 Show Profile Reply with Quote

I have a query on the rocker shaft supports. In the manuals it says to locate the support with the oil-way at the front of the head on one bank and the rear on the other. The thing is out of the 6 heads that I have none of the supports resemble item 18 on the attached extract from the parts manual.They are all as 1tem 17
Can anyone advise please.



Dynorog

Woody
V4 Guru

United Kingdom
2758 Posts

Posted - 25 Apr 2017 :  17:33:33 Show Profile Reply with Quote
Item 18 is usually placed on the head at the pillar which has the oil feed from the camshaft groove.This would be over pistons 1 & 4.
This type of support is usually found on early engines. Later engines appear to have the same No 17 both sides. The parts book does not identify additional posts but there are two types of shaft listed along with two types of rocker arm. Change approx 1969/70.
Need to check my sets for variances.

Edited by - Woody on 25 Apr 2017 17:50:40
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Dynorog
V4 Fanatic

United Kingdom
249 Posts

Posted - 25 Apr 2017 :  17:47:26 Show Profile Reply with Quote
Thanks Woody but my problem is that I only seem to have pillars which look like item 17 not 18 which appears to have a different top and I don't have any of item 22. This applies to the heads I'm working on off the car which is running and the spares I have.
I must admit the rockers didn't exactly look well oiled and I wasn't either but I will take another look after a visit to Specsavers

Dynorog
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Woody
V4 Guru

United Kingdom
2758 Posts

Posted - 25 Apr 2017 :  17:56:43 Show Profile Reply with Quote
Yes then you have later rocker arms assys. Will have a look in the garage for examples.
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Dynorog
V4 Fanatic

United Kingdom
249 Posts

Posted - 25 Apr 2017 :  17:56:44 Show Profile Reply with Quote
Sorry Woody didn't seem to have the second part of your reply, which does explain it.
Cheers

Dynorog
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Derek
V4 Guru

United Kingdom
2187 Posts

Posted - 25 Apr 2017 :  23:16:19 Show Profile Reply with Quote
Do I remember that there is a hole or slot in the shaft that has to align with the oil way? Can be fitted 180º out? Might well be wrong but I seem to remember a thread about this.
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Dynorog
V4 Fanatic

United Kingdom
249 Posts

Posted - 26 Apr 2017 :  05:19:30 Show Profile Reply with Quote
You are right Derek, a small grinding mark on the the end of the end of the shaft to indicate the lower side of the shaft.

Dynorog

Edited by - Dynorog on 26 Apr 2017 05:38:25
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