[Healeys] Vernier timing gears

[Chris Dimmock]

I don't think it's a lot of money. 
Our Club sells the Rollmaster double row timing gears (crank and cam gears); Vernier adjustable, with the best Iwis pro series German chain, for $AU265
That's about $200 USD. 
If you're happy to get it right within a tooth, then you probably still need to replace your 50 - 60 year old timing gears and timing chain. Which I think will cost you about the same if they aren't Chinese or Indian. 
As John said, once it's bolted up, it's the same. 
Best
Chris


Sent from my iPhone

> On 8 Jul. 2017, at 8:15 am, David Porter <frogeye at porterscustom.com> wrote:
> 
> 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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