[Healeys] BJ7 vs BJ8 engine block

[Patrick and Caroline Quinn]

Hello

The first BJ8 was released in Oct 1963 with engine number 29KF/101 which was essentially the same casting as the BJ7. In November 1963 the fourth iteration of the C-Series casting was introduced with engine 29K/279. Externally the main difference was that the dipstick was higher up the block, however some blocks also had a small plate covering the mechanical fuel pump opening below the generator that was used in BMC sedans.

Hoo Roo

Patrick Quinn
Blue Mountains, Australia

From: Healeys <healeys-bounces at autox.team.net> On Behalf Of Richard Mayor
Sent: Tuesday, June 25, 2024 10:57 AM
To: Jonathan Einhorn <einhornlawoffice at gmail.com>
Cc: healey list <healeys at autox.team.net>
Subject: Re: [Healeys] BJ7 vs BJ8 engine block

Hi Jon,

 The blocks are essentially the same.  I believe the BJ7 block has the dipstick in the same location as all of the previous 6 cylinder engines. The BJ8 blocks have the dipstick in a slightly different location but other than that they are the same. Also the BJ8 engines don’t use a mechanical tack drive.


Richard Mayor
boyracer466 at gmail.com<mailto:boyracer466 at gmail.com>

On Jun 24, 2024, at 3:43 PM, Jonathan Einhorn <einhornlawoffice at gmail.com<mailto:einhornlawoffice at gmail.com>> wrote:

I’m building a new engine for my BJ8 racecar and I have a rebuilt BJ7 block in my garage. Does anyone know the BJ8 block and the BJ7 block are the same? I don’t know yet if I’ll use a stock head or a Denis Welch aluminum head, which was in the racecar previously .
Thanks
Jon

Jonathan J. Einhorn, Esq.
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