Aluminum Rocker Gaskets

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Keith.owen
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Aluminum Rocker Gaskets

Postby Keith.owen » Thu Sep 21, 2017 5:06 pm

Hi,
Does anyone have nay experience of the aluminium rocker box gaskets that Drags now supply?

Are they better than the 'conventional' gaskets?

Keith
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Re: Aluminum Rocker Gaskets

Postby PeterW » Thu Sep 21, 2017 7:37 pm

Just fitted some to my 350NH. Too early to tell what they'll be like long term but certainly easy to fit.

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Re: Aluminum Rocker Gaskets

Postby Keith.owen » Fri Sep 22, 2017 9:56 am

Peter,
Did you just anneal them and fit or did you use sealant sealant or a combination of both?

BR,
Keith
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Re: Aluminum Rocker Gaskets

Postby PeterW » Sat Sep 23, 2017 4:46 pm

I used a thin smear of wellseal. Hadn't thought of annealing. I've only run the engine to try to tune the carb so far and have the rear brake & front fork seals to sort before taking it out on the road for a proper test.

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Re: Aluminum Rocker Gaskets

Postby robjameson » Sun Sep 24, 2017 9:19 am

I've had them on for a couple of years now, sandwiched between some decent rtv they seem to work well
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Re: Aluminum Rocker Gaskets

Postby john.whiting » Sun Sep 24, 2017 9:39 am

Post asbestos,gaskets aint much good.I just use silastic,as do most cars nowdays.I had to replace the head on my little diesel pickup,and the gasket is a thing called MLS,and that is what it is.Half a dozen layers of steel shim.I gather coolant leakage is a major issue now due to the poor sealing capacity of these gaskets.All the bits and pieces gaskets are not like 'Klingerite" but bits of pressed steel.Even the waterpump.I didnt bother with them,just used silastic.

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Re: Aluminum Rocker Gaskets

Postby Vincent.vanGinneke » Tue Sep 26, 2017 9:06 am


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Re: Aluminum Rocker Gaskets

Postby jj.palmer » Tue Sep 26, 2017 9:56 am

I have recently been using Hi Temp RTV Silocone,available from your local motor shop, either with or without a gasket and found it excellent. I even used it on the intermediate chain casing, without a gasket, whose faces were not flat and built up the silocone in layers until the hollow areas were sealing perfectly.
I now get the feeling that gaskets are a thing of the past.

Regards,
John P.

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Re: Aluminum Rocker Gaskets

Postby john.whiting » Tue Sep 26, 2017 11:59 am

The one thing to be careful of is called "accumulated dimension stack" or something like that.Basically it means that if you eliminate gaskets,you need to be aware and may need to make allowance for the thickness of the gaskets.In most cases its not of concern.


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