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VW Cylinder Head Machining
Posted: Mon Mar 28, 2022 3:13 pm
by arn3696
Good afternoon all
It looks like we may need to purchase new cylinder heads for our 1834cc VW. Does anyone know, or can recommend, a reputable machinist to add the second spark plug holes and bore out the heads to the required 92mm? It appears, going through the paperwork, that a previous owner had some trouble finding a company willing to do it given it's purpose and in any event the previous company that carried out the work (Ramsay in Coventry) is apparently no longer trading.
Any help would be greatly appreciated
Chris
Re: VW Cylinder Head Machining
Posted: Tue Mar 29, 2022 9:06 am
by mikehallam
Never ever discuss purpose with machine shops, tell them it's a beach buggy oy special bitsa car !
Try I'll who still do car re-bores if no- one else comes up with recommendations by
Re: VW Cylinder Head Machining
Posted: Tue Mar 29, 2022 9:08 am
by mikehallam
Never ever discuss purpose with machine shops, tell them it's a beach buggy oy special bitsa car !
Try people who still do car re-bores if no- one else comes up with recommendations by
Re: VW Cylinder Head Machining
Posted: Tue Mar 29, 2022 2:09 pm
by Sean McDonald
Someone in our owners WhatsApp group had some good work done at a very reasonable price by
https://www.chaseengines.co.uk/. They are based at Newcastle-under-Lyme.
Re: VW Cylinder Head Machining
Posted: Wed Mar 30, 2022 6:51 am
by arn3696
Great, thank you, I’ll give them a try!
Re: VW Cylinder Head Machining
Posted: Thu Mar 31, 2022 9:15 am
by peterg
Try John Maher Racing. He did the clearance work on my crankcase for stroker pistons, albeit a few years ago. He is a VW guru and modifies engines for everything from buggies to dragsters. You can google him or take a look at his website,
https://johnmaherracing.com/
Good luck, Peter
Re: VW Cylinder Head Machining
Posted: Thu Mar 31, 2022 1:31 pm
by Sean McDonald
arn3696 wrote: ↑Wed Mar 30, 2022 6:51 am
Great, thank you, I’ll give them a try!
Let us know how you get on with whoever you find. Useful info to have.
Re: VW Cylinder Head Machining
Posted: Wed Apr 06, 2022 8:23 pm
by TRAZZELL
As the VW is still used extensively at the grass roots end of the LAA Fleet, it strikes me that an online respository of related information (technical and suppliers) somewhere on the LAA website would be useful. Or does such a thing exist and I just haven't found it?
Tony
Re: VW Cylinder Head Machining
Posted: Thu Jul 28, 2022 11:32 am
by Rob Swain
TRAZZELL wrote: ↑Wed Apr 06, 2022 8:23 pm
As the VW is still used extensively at the grass roots end of the LAA Fleet, it strikes me that an online respository of related information (technical and suppliers) somewhere on the LAA website would be useful. Or does such a thing exist and I just haven't found it?
Tony
I never found one.
Re: VW Cylinder Head Machining
Posted: Sun Jul 31, 2022 9:57 am
by Bill McCarthy
I still think that it would be useful to have a LAA course on the VW ( as has been done for the Rotax) to catch up with mechanical aspects and setting up of the electronic ignition system and in the interests of affordable aviation !
Re: VW Cylinder Head Machining
Posted: Tue Sep 27, 2022 5:38 pm
by Rob Swain
I think it would be a good idea to have courses on the small Continentals (O-200 etc) and for the 4 cylinder (O-235 / 290 / 320 / 360 / 390) and 6 cylinder (O-540) Lycomings.
There's a heck of a lot more of them flying than VWs.
As an example of the need for a Lycoming course I am stunned by how few Lycoming owners know they should clean out the finger oil strainer at the bottom of the sump at each oil change. It's only the main inlet to the oil pump.
It is pretty coarse but it does collect quite a build up of carbon lumps that come off the underside of the pistons.
Re: VW Cylinder Head Machining
Posted: Thu Sep 29, 2022 4:36 pm
by Ian Melville
Same with small Continentals. However removing the sump, requites removal of the carb and associated cables every 25hrs. Clearly not practical, so advised to flush sump after draining with fuel.