[Healeys] BN2 Incontinence

[warthodson at aol.com]

 Is the tach drive in a BN1 also on the driver's side (LHD car) on the side of the block under the exhaust?
    On Wednesday, May 14, 2025 at 04:39:33 AM CDT, Patrick and Caroline Quinn <p.cquinn at outlook.com> wrote:   

 
G’day
 
  
 
In a four-cylinder engine in the BN2 the tach drive is located on the driver’s side (LHD car) on the side of the block under the exhaust.
 
  
 
IN a six-cylinder it’s off the distributor drive on the other side.
 
  
 
Hoo Roo
 
  
 
Patrick Quinn
 
Blue Mountains, Australia
 
  
 
From: Healeys <healeys-bounces at autox.team.net>On Behalf Of Bob Spidell via Healeys
Sent: Wednesday, 14 May 2025 12:32 PM
To: Michael Salter <michaelsalter at gmail.com>
Cc: Healeys <healeys at autox.team.net>
Subject: Re: [Healeys] BN2 Incontinence
 
  
 
Ah, yeah, now I remember having to route the OP line across the scuttle. But, the tach drive is off the distributor, on the R/H side, no? I replaced the seal when we rebuilt the engine.

Tappet cover, IIRC, is on the L/H side; that was my first guess since the oil isn't contaminated (until it hits the pavement). I didn't learn until after the rebuild that one of the tappet cover screws has to be shorter, lest one of the tappets hit it; always wondered if I did that right or not. 

bs
 
On 5/13/2025 7:22 PM, Michael Salter wrote:
 

The oil pressure take off is on the right side of the engine Bob. My guess would be the tachometer drive, the seal on the shaft hardens and cracks ( probably only about 70 years old, they don't make them to last) or the tappet cover. I  have found that the tappet cover screws need to be gently retightened af a few hours of operation. On the 100S they were all lock wired which tells you something!!
 
  
 
M
 
  
 
On Tue., May 13, 2025, 9:46 p.m. Bob Spidell via Healeys, <healeys at autox.team.net> wrote:
 

Listers,

Just noticed, after a short local drive my BN2 was peeing oil out the 
driver (L/H) side of the engine. I won't get to a diagnosis and fix for 
a couple weeks; just wondering if anybody has a guess. My first thought 
was the OP gauge fitting came loose or the line broke, but the gauge was 
indicating fine as was the temp gauge.

Any guesses?

Bob
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