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Inlet Manifold gaskets woes
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k@rlos
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PostPosted: Sun Apr 18, 2021 10:05 am    Post subject: Re: Inlet Manifold gaskets woes Reply with quote

Image may have been reduced in size. Click image to view fullscreen.


These are my heads: CB 044 ultra mag plus, only really thin bit is like I say between the 2 ports. Will check surfaces for flat ness then if ok try that loctite stuff
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GARRICK.CLARK
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PostPosted: Sun Apr 18, 2021 10:12 am    Post subject: Re: Inlet Manifold gaskets woes Reply with quote

Is it splitting the gasket in the middle
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GARRICK.CLARK
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PostPosted: Sun Apr 18, 2021 10:21 am    Post subject: Re: Inlet Manifold gaskets woes Reply with quote

To check if the thin middle is low, bolt the manifold to head with out the gasket, then shine a torch into the manifold throat and see if light shines into the next port
You'll need a pencil torch for this and do it in a dark ish place
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k@rlos
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PostPosted: Sun Apr 18, 2021 10:41 am    Post subject: Re: Inlet Manifold gaskets woes Reply with quote

GARRICK.CLARK wrote:
Is it splitting the gasket in the middle


50/50.. sometimes it’s the middle, sometimes it’s not. It’s it’s in the back of a 1970 bus so pretty dark lol. The manifolds are a few years old (only used part of the build) so am wondering if they are a bit warped.

It’s annoying as when it’s running sweet it’s an amazing motor, pushes my bus along very well. Done 3200 miles without a since overhauling motor but this has become a thing in the last 1000 or so. Had a to do gaskets 4-5 times in that time frame
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67rustavenger Premium Member
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PostPosted: Sun Apr 18, 2021 10:43 am    Post subject: Re: Inlet Manifold gaskets woes Reply with quote

k@rlos wrote:
Image may have been reduced in size. Click image to view fullscreen.


These are my heads: CB 044 ultra mag plus, only really thin bit is like I say between the 2 ports. Will check surfaces for flat ness then if ok try that loctite stuff

If everything checks out flat and true.
Use the Locktite 518 sparingly. Don't goop it on, or you'll have sealant squoosh out into the intake ports.
518 is anaerobic (cures in the lack of atmosphere) in nature. So if it's in the air stream. It will not cure.
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GARRICK.CLARK
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PostPosted: Sun Apr 18, 2021 10:44 am    Post subject: Re: Inlet Manifold gaskets woes Reply with quote

I'm confident you'll fix it now
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k@rlos
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PostPosted: Sun Apr 18, 2021 11:13 am    Post subject: Re: Inlet Manifold gaskets woes Reply with quote

GARRICK.CLARK wrote:
I'm confident you'll fix it now


Hopefully, nice weather is here now Shocked Laughing

Thanks for your help mate
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k@rlos
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PostPosted: Sun Apr 18, 2021 11:14 am    Post subject: Re: Inlet Manifold gaskets woes Reply with quote

67rustavenger wrote:
k@rlos wrote:
Image may have been reduced in size. Click image to view fullscreen.


These are my heads: CB 044 ultra mag plus, only really thin bit is like I say between the 2 ports. Will check surfaces for flat ness then if ok try that loctite stuff

If everything checks out flat and true.
Use the Locktite 518 sparingly. Don't goop it on, or you'll have sealant squoosh out into the intake ports.
518 is anaerobic (cures in the lack of atmosphere) in nature. So if it's in the air stream. It will not cure.


Will do

Thanks
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