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moditup
United Kingdom
83 Posts |
 Posted - 19 Jun 2011 : 15:10:47
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| How do i identify an H120 engine, picked one up this morning for £20.00 its got an alloy finned sump, the head is stamped B528 DSF ? |
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JPSH120
United Kingdom
1180 Posts |
Posted - 19 Jun 2011 : 15:22:24
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Holbay engine will have flat topped pistons, head has heart shaped combustion chambers. There are a couple of other identifiers but that's a start!
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janmarine3
South Africa
286 Posts |
Posted - 19 Jun 2011 : 15:47:05
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wow ! Lucky guy...20 dollars... |
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JPSH120
United Kingdom
1180 Posts |
Posted - 19 Jun 2011 : 17:04:08
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quote:
Originally posted by janmarine3
wow ! Lucky guy...20 dollars...
If it is one 
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moditup
United Kingdom
83 Posts |
Posted - 21 Jun 2011 : 18:26:47
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| Yes it has flat top pistons and the head has kidney shaped combustion chambers. Cheers guys |
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bigt80
United Kingdom
1052 Posts |
Posted - 22 Jun 2011 : 13:37:19
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quote:
Originally posted by moditup
Yes it has flat top pistons and the head has kidney shaped combustion chambers. Cheers guys
Obviously you have it stripped down, but a reasonable external identifcation is H3 or later H4 stamped on the side of the head. Standard heads tended to have H2. Don't know if you can validate yours shows H3. Cheers. Glen. |
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moditup
United Kingdom
83 Posts |
Posted - 23 Jun 2011 : 18:29:12
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| Which side of the head is it stamped its got AM3 stamped on one side but thats all ? |
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bigt80
United Kingdom
1052 Posts |
Posted - 26 Jun 2011 : 14:39:11
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Yes, that's it AM not H! brain gone . Yes, AM2 standard, AM3 or 4 (on plug side I think!) means it's Holbay as a general rule.
Cheers. Glen. |
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JPSH120
United Kingdom
1180 Posts |
Posted - 01 Sep 2014 : 14:28:15
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Time to resurrect this thread! I was at a show yesterday and got talking to a couple of guys who both had series 5 alpines. Both had AM3 cylinder heads and yet (according to the owners) neither were holbay heads.
So, is this a less sure way of identifying than we thought?
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Sunbeam-mike
United Kingdom
165 Posts |
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bigt80
United Kingdom
1052 Posts |
Posted - 04 Oct 2014 : 20:07:35
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Yes, late standard cars did use AM4, but I've not heard of AM3 being used? Good old Rootes/Chrysler, nothing is hard and fast!
Good suggestion Mike re link to chassis no's, yes they do match to engine no. when new, but heads don't have such no's and can be interchanged of course. G |
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Topic |
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H120 engine id
