MGB Register Forum

Hi Ian, yes, would be interesting to see what head numbers are actually found on later cars.

Many thanks for your help and advice.

Cheers Andrew

[attachment=0]image.png[/attachment] Thanks for the link to Flowspeed, very helpful! So, I took the valve cover off as suggested and found the head number 12H4736 AF2H 08 which the Flowspeed website recognises, hooray! and the Pat No agrees although it should be internal on this head. The date casti...

Hi Ian, many thanks for all this, much appreciated! Yes all the numbers I mention are external (you can just see the Pat No to the side of the thermostat housing in the pic). I'll take off the valve cover rocker box and see what's inside.
Cheers!

[attachment=0]image.png[/attachment][attachment=1]image.png[/attachment]
Here's a couple of pix (I hope!).

Cheers
Andrew

Hi thanks for the research! The engine number is on an aluminium strip riveted to the block between plugs 2&3, it may be that the 'previous' engine number prior to recon is cast into the block under this, but I'm a bit reluctant to go tearing it off just yet. The head has "Pat No 56539"...

Hi. New member here, hello! Just joined at the NEC Resto show in March, met some very NI ce helpful people on the MGCC stand! I have just acquired a 1979 MGB roadster which has been stored for many years. The engine appears to be a replacement unit with engine number DBL230 108314 fitted in February...

Hi, new member here, hello! I have just acquired a 1979 MGB roadster which has been stored for many years. The engine appears to be a replacement unit with engine number DBL230 108314 fitted in February 1987 by Mobile Auto Services in Pershore Worcs. I have a warranty booklet by Delta Remanufactured...