David Brown 770 (livedrive) cylinder head

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Johnnyd
Posts: 4
Joined: Thu Jan 31, 2019 8:14 am
Location: Bedfordshire

David Brown 770 (livedrive) cylinder head

Post by Johnnyd » Sat Apr 20, 2019 10:23 am

Working on a top end engine rebuild of our DB770, engine no. AD3 49A 3972. Looking for advice on the possible fitting a 780/880 cylinder head onto our 770 block. Understand the the different valve head diameters 35mm 770 head and 38mm on a 780/880 head. Would appreciate any advice if it is practicable and if any modifications would be needed.

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cobbadog
Posts: 555
Joined: Tue Oct 11, 2011 6:18 am
Location: beautiful Coopernook NSW. near Taree. NSW. Australia

Re: David Brown 770 (livedrive) cylinder head

Post by cobbadog » Sun Apr 21, 2019 6:41 am

Is there a reason for the change over or that it is in better condition than the original?

SteveCollett
Posts: 562
Joined: Wed Sep 24, 2008 8:17 am
Location: Suffolk

Re: David Brown 770 (livedrive) cylinder head

Post by SteveCollett » Thu Apr 25, 2019 10:01 am

surely it is a very different engine, I don't think the head will fit at all, but otherwise may know far more

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