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25 Stud Head water jacket ?

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25 Stud Head water jacket ?
stevenm Offline
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Car type: Ashley 750 Special
#1
15-02-2020, 06:17 PM (This post was last modified: 15-02-2020, 06:19 PM by stevenm.)
Does anyone know if the 25 stud head had a water jacket or was just a big dirty blanking plate of a a cylinder head ?

[Image: 5350251744-e62bb1b11d-o.jpg]
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Mike Costigan Offline
former 'Grey Mag' editor
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#2
15-02-2020, 08:43 PM (This post was last modified: 15-02-2020, 08:50 PM by Mike Costigan.)
That's a Jamieson 32-stud engine; both 25-stud and 32-stud engines still had conventional water jacketing (note the standard block side-manifold and the top manifold on the side of the head, above inlet & exhaust manifolds, which connects to the bottle header tank).

Edit: 25-stud head gasket:

   
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stevenm Offline
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Car type: Ashley 750 Special
#3
16-02-2020, 02:00 PM
Thank you !

Incredible bit of work.
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