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by Simon.Gardiner
Fri Oct 05, 2012 10:04 pm
Forum: Ariel Talk
Topic: Fitting a stronger big end to a 350
Replies: 19
Views: 3983

My not massively accurate calipers say 1.940. A 350 rod can be machined out to take it (if I get your drift!) I know of one that's been done like this, although not for racing. I heard of this years ago as the mod that all the 'racers' used but I expect someone out there will know a bit more about t...
by Simon.Gardiner
Thu Oct 04, 2012 10:10 pm
Forum: Four stroke
Topic: VH 500 1949 Head gasket
Replies: 8
Views: 4654

I think the 51-53 models used a copper head gasket and if I remember rightly the VH spigots are the same size and it fits the earlier ones as well.

(I seem to have acquired one of those copper ring gaskets somewhere along the way, Mr Collings might just have pointed me to its origins!)
by Simon.Gardiner
Thu Oct 04, 2012 9:55 pm
Forum: Ariel Talk
Topic: Fitting a stronger big end to a 350
Replies: 19
Views: 3983

Re: Fitting a stronger big end to a 350

This will be done and extra web will be welded in to suport it. I had some extra welding done in the timing chest, the welders had a lot of difficulty as some of the castings were seemingly quite porous and had absorbed an amount of oil. Two of my three timing-side crankcase halves ended up as scra...
by Simon.Gardiner
Wed Oct 03, 2012 10:11 pm
Forum: Ariel Talk
Topic: To hone or not to hone?
Replies: 13
Views: 2345

I've had several 350 barrels and a 500 barrel (all iron-head type) sleeved and had no problems. It might depend on the OD of the sleeves - I doubt if any of the ones used for me were 'factory spec', probably the closest of what was available at the time. I don't find they wear particularly badly, I ...
by Simon.Gardiner
Tue Oct 02, 2012 11:13 pm
Forum: Ariel Talk
Topic: Huntmaster -V- VB
Replies: 15
Views: 2428

Re: Huntmaster -V- VB

john.nash wrote:.
The 500's are harsher, vibrate more...


Nothing like as vibratey as a 650 though :)
by Simon.Gardiner
Mon Oct 01, 2012 11:43 pm
Forum: Ariel Talk
Topic: Huntmaster -V- VB
Replies: 15
Views: 2428

A10 engine won't fit directly - crankcases are different, as are all the external parts in one way or another. A10 top end will fit on FH bottom end but later 'big fin' A10 barrels/heads have a diferent exhaust port angle (earliy A10 barrels/heads are similer to FH but I'm not sure about the exhaust...
by Simon.Gardiner
Thu Sep 27, 2012 12:27 am
Forum: Four stroke
Topic: What model?
Replies: 5
Views: 1502

No 3 looks a ringer for what I've got from a 55 Huntmaster. (Can't measure its length because it's currently on my VH - so used to try to lock up the mainshaft in the main bearings properly and stop that infernal bearing creep that has worn every single-cylinder mainshaft that I've ever seen that ha...
by Simon.Gardiner
Sat Jun 02, 2012 1:11 am
Forum: Four stroke
Topic: Magneto Not Providing Spark
Replies: 6
Views: 1691

Looks like this little beastie has decided to be difficult. -while the HT pickup is off clean/degrease it thoroughly -make sure the HT pickup brush can move freely and see if you can work out if there's enough 'push' in the spring to get it in contact with the slip ring -do the same with the earth b...
by Simon.Gardiner
Mon May 14, 2012 10:19 pm
Forum: Main Chat Forum
Topic: Welding Sq Four Petrol Tank
Replies: 21
Views: 5378

I think the original tank bolts only have a short threaded length and the end of the thread tightens before the end of the bolt gets near the bottom of the tank. Still needs locking wire though!
by Simon.Gardiner
Thu May 03, 2012 11:11 pm
Forum: Ariel Talk
Topic: sacrilige !
Replies: 13
Views: 2536

It's not the speed limit that matters, Nev, it's the way you get there :lol:

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