[Healeys] engine identification
Bruce Steele
healeybruce at roadrunner.com
Mon Dec 24 23:50:52 MST 2018
I’m perplexed by the references to the “U” in the engine number in the documents which Scott attached. The first attachment states that 3000 Mk I commenced with engine number 29D-U-H101 and ended with 29D-U-H26212. The second document states that “U” indicated a center shift gear box. We know that all Mark I Healeys were side shift; the center shift was not introduced until near the end of the Mark II BN7/BT7 run in November, 1961 at engine number 29E/2246, chassis number BT7/15881 and BN7/16039, per Clausager’s book. Hence, the 2 documents conflict and my confusion over the statement that the “U” refers to a center shift box.
Clausager states: “However, the engine prefix was later changed, possibly coinciding with the introduction of the six-port engine in 1957. These engines had the prefix 26D, followed by U on non-overdrive cars, and R (or RU) on overdrive cars, finishing with the letter H for High compression” (Original Austin Healey, Clausager, 1990, pg. 87).
Case in point, my BN7, produced 26-28 September, 1960 is chassis number 12656 and engine number 29D-U-H/22855 (my car was originally a non-OD car), verified by the BMIHT certificate. The gearbox is a correct side shift unit. This is in agreement with Clausager’s description.
So, the assertion that U denotes center shift is quite confusing. Anyone else able to weigh in?
Bruce Steele
Brea, CA
1960 BN7
From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of J. Scott Morris
Sent: Monday, December 24, 2018 8:18 AM
To: mitch <dayton21 at comcast.net>; healeys at autox.team.net
Subject: Re: [Healeys] engine identification
Hello Mitch and Seasons Greetings.
The attached files may help a little but the casting numbers are not related to sequential engine production.
--Scott Morris; Simcoe, Ontario, Canada - Keep Smiling, Murphy Lives
On Monday, December 24, 2018 7:39 AM, mitch <dayton21 at comcast.net <mailto:dayton21 at comcast.net> > wrote:
Hello
How do you ID an engine block/or head……that does not have an ID tag?
Do the engine block casting numbers mean anything?
Mitchell
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