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Head Identification

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Head Identification
Steve Bryant Offline
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Joined: Aug 2017 Posts: 431 Threads: 92
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Location: CALGARY AB CANADA
#15
16-09-2018, 09:29 PM
I dug out my spare head and looked at the production date? - 30.7.5 part number 1A 684

Would the compression ratio of this head be any higher than that of the earlier 1929 head with the brass plugs where the priming taps used to be?

Cheers,
Stephen
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Messages In This Thread
Head Identification - by bob46320 - 14-09-2018, 08:14 PM
RE: Head Identification - by Tony Press - 14-09-2018, 11:26 PM
RE: Head Identification - by bob46320 - 15-09-2018, 06:19 AM
RE: Head Identification - by Tony Press - 15-09-2018, 07:38 AM
RE: Head Identification - by Ian McGowan - 15-09-2018, 08:16 PM
RE: Head Identification - by Tony Press - 16-09-2018, 01:51 AM
RE: Head Identification - by Bob Culver - 15-09-2018, 08:02 AM
RE: Head Identification - by Mike Costigan - 15-09-2018, 08:20 AM
RE: Head Identification - by Ruairidh Dunford - 15-09-2018, 09:26 AM
RE: Head Identification - by Ruairidh Dunford - 15-09-2018, 08:54 PM
RE: Head Identification - by AustinWood - 15-09-2018, 10:04 PM
RE: Head Identification - by bob46320 - 16-09-2018, 12:06 PM
RE: Head Identification - by AustinWood - 16-09-2018, 12:42 PM
RE: Head Identification - by Viteran - 16-09-2018, 02:51 PM
RE: Head Identification - by Steve Bryant - 16-09-2018, 09:29 PM
RE: Head Identification - by Ruairidh Dunford - 16-09-2018, 09:32 PM
RE: Head Identification - by Steve Bryant - 30-09-2018, 06:25 PM
RE: Head Identification - by Tony Press - 01-10-2018, 12:39 AM
RE: Head Identification - by Bob Culver - 30-09-2018, 07:37 PM
RE: Head Identification - by Ian Williams - 30-09-2018, 08:47 PM
RE: Head Identification - by Steve Bryant - 01-10-2018, 12:51 AM

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