[Healeys] Vernier timing gears

[David Porter]

oh, so it was a factory bean counter thing... ;~)


On 7/7/2017 11:40 AM, Henry Morrison wrote:
>
> You can set your cam timing to an exact point. Within a degree or 
> two.  with the stock stuff it's more like five degrees.  It makes a 
> difference..........................Henry Morrison
>
> Sent from Outlook <http://aka.ms/weboutlook>
>
>
>
> ------------------------------------------------------------------------
> *From:* Healeys <healeys-bounces at autox.team.net> on behalf of David 
> Porter <frogeye at porterscustom.com>
> *Sent:* Friday, July 7, 2017 8:39 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/ 
> <http://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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