[Healeys] PCV installation BJ8

[Michael Salter]

The road draft tube has an aluminium plug with an "O" ring on it pushed is
and secured with a small screw from the back.
Yes there has been a significant decrease in oil consumption, there is no
longer a stale oil smell in the car and oil drips are now only 1 or 2 each
time I stop.

M

On Tue., Mar. 22, 2022, 12:32 p.m. Bob Spidell, <bspidell at comcast.net>
wrote:

> Looks like a clean install to me (I like the 'aftermarket' heat shield; I
> have one made for a 100M on the shelf if I do get around to installing PCV
> on my BN2). How did you seal up the road draft tube? Any noticeable effect
> on oil consumption/drips?).
>
>
> On 3/22/2022 9:24 AM, Michael Salter wrote:
>
> Well the system that I installed on my BN1 using a Toyota Pathfinder valve
> was somewhat effective but certainly not perfect. Not easy to see in the
> attached pic.
> I found that at normal cruise the ccp ranged between +2" and -3".
> Lifting off the throttle momentarily would establish the -3" pressure
> which would hold until the engine was taken back to idle. After that the
> pressure would fluctuate as one accelerated through the gears then
> establish at around 0 in at steady speed until the throttle was closed,
> then back to -3".
> I'm fairly sure that these figures are a consequence of the type of PCV
> valve used but it is impossible to get specific information about various
> valves.
> M
>
> On Tue., Mar. 22, 2022, 12:00 p.m. Bob Spidell, <bspidell at comcast.net>
> wrote:
>
>> Hmmmmm ... looks like the hard plastic tube you get with oil suction
>> pumps. So, what does it reveal?
>> bs
>>
>> On 3/22/2022 8:52 AM, Michael Salter wrote:
>>
>> It's actually quite easy to test on the highway.
>> I made this very basic manometer and plugged the end of the tube into the
>> dipstick hole.
>> Drive around with a passenger watching the displacement of the water in
>> the tube ...  very revealing.
>>
>> M
>>
>> On Tue., Mar. 22, 2022, 11:15 a.m. Bob Spidell, <bspidell at comcast.net>
>> wrote:
>>
>>> I started with the BCS kit, so I have the sealing washer on the
>>> dipstick, and I put a screw in the hole in the oil filler cap (I didn't
>>> think solder would stick on the oily cap, and I wanted 'reversible' at the
>>> time). At idle, you can feel a vacuum if you put the palm of your hand over
>>> the oil filler hole (haven't tried it on the highway).
>>>
>>>
>>> On 3/21/2022 10:43 PM, i erbs wrote:
>>>
>>> Did you do anything else? Just ran the pvc to the manifold? That's it?
>>> What about the hole in the oil cap? I have a bj8 manifold on my bt7 engine.
>>> I get a lot of blowby into my rear air filter. Had Rocker arm checked...all
>>> good.
>>>
>>> Ira Erbs
>>> 1959 AH 100-6
>>> 1967 MGB
>>> Milwaukie, Or
>>>
>>> On Mon, Mar 21, 2022, 5:31 PM Bob Spidell <bspidell at comcast.net> wrote:
>>>
>>>> Here's how my mechanic did it. Best to balance both carbs, but using
>>>> the
>>>> unused port on the manifold works OK too.  I ran that way for many
>>>> years; the thread is some sort of Brit thread, I drilled and tapped it
>>>> for an American one.
>>>>
>>>> On 3/21/2022 10:51 AM, Michael DiVito via Healeys wrote:
>>>> > Planning to install a PCV on my BJ8 and having trouble finding the
>>>> right hardware to connect to the manifold. The plug in the manifold where I
>>>> will connect the PCV is 3/8” with a fine thread pattern. Does anyone know
>>>> where I might purchase a suitable connector which has the correct 3/8”
>>>> threaded end for the manifold connection and a 1/2” barbed end for
>>>> connection to the PCV?  Also if anyone has already done a PCV install
>>>> advice appreciated.
>>>> >
>>>> > Michael P. DiVito
>>>>
>>>
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>>
>
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