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[Healeys] Vernier timing gears

Subject: [Healeys] Vernier timing gears
From: frogeye at porterscustom.com (David Porter)
Date: Fri, 7 Jul 2017 16:15:11 -0600
References: <b21e79a3-11d2-a82f-7dd4-198adb84a423@gmail.com> <740005DD-1204-4B96-950A-356353935009@gmail.com> <c3fed300-45a3-216e-9f13-c6eed117e578@porterscustom.com> <002401d2f768$bcd9b750$368d25f0$@com.au>
I guess my point is that it is a lot of money for 2-3 degrees of valve 
timing.


On 7/7/2017 3:33 PM, John Rowe wrote:
> It allows you to get the cam timing correct when assembling. After that it
> is no different to normal timing wheel
> John Rowe
> Qld Ausralia
>
> -----Original Message-----
> From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of David
> Porter
> Sent: Saturday, 8 July 2017 12:39 AM
> To: healeys at autox.team.net
> Subject: Re: [Healeys] Vernier timing gears
>
> ...assuming that the gears and chain and tensioner are up to snuff, exactly
> what is the big benefit for vernier adjuster when there is a single cam
> acting on the valves.. dp
>
>
> On 7/7/2017 4:05 AM, Chris Dimmock wrote:
>> Hi Wayne,
>> >From a quick internet search on the head markings of your "aviation
> bolts" they are at best approx grade 5 (120 KSI) equivalent, cad plated
> steel bolts. Nothing special.
>> The Rollmaster bolts you have shown look to me like grade 8 (150 KSI)
> unbrako style cap head bolts.
>> The Rollmaster Vernier timing kit tells you at least 3 times (on the
> packaging, and in the instructions) to Locktite these bolts.
>> If I was going to change these bolts, I'd go up to 180 KSI ARP bolts, not
> down to grade 5 120 KSI bolts.
>> Our Healey Club (AHOC NSW) sells the  Rollmaster Vernier kits and we have
> had no issues reported.
>> Bob Spidell has recently had this timing set installed in his newly
> rebuilt engine.
>> Best
>> Chris
>>
>>
>>
>> Sent from my iPhone
>>> On 6 Jul. 2017, at 1:43 am, Wayne <waschu2 at gmail.com> wrote:
>>>
>>> Hello,
>>>
>>>            I am getting back to my Healey 3000 engine rebuild after two
> years.  I bought the Roller master vernier timing gear set from Moss at that
> time.  I have previously used the Roller Master gear set with multiple key
> ways to adjust the cam timing with no problems on other rebuilds. What I
> don't like about this set is that the cap screws used to clamp the vernier
> gear to the hub are not very robust. Working in aviation I have AN-4 bolts
> that I can replace the cap screws with and safety wire them to prevent
> slippage.  Has anyone using this kit had problems?  I could keep the cap
> screws and Loctite them. This is a street car, not a race car. Pictures are
> one bolt installed and the hardware side by side.
>>> Wayne
>>>
>>>
>>> <IMG_2537.jpg>
>>> <IMG_2540.jpg>
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>>
>>
>>
> --
> Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM
> 87107 505-352-1378 Go HERE: my world www.porterbikes.com/
> _______________________________________________
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>
>

-- 
Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM 
87107 505-352-1378 Go HERE: my world www.porterbikes.com/

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