Perspex cc measuring rings

[Murt]

Hi Chaps
Can anyone help me with a quick question ?
I was going to buy a cc measuring kit, the 3 circles and the syringe. and I don't intend to pay £65 ($81)!!!!! for it, and would rather buy some ready cut Perspex circles over here in the UK.
Can anyone here who has a set, (Guessing 80.5/90.5/94 ??) tell me the exact diameters of the discs please
TIA
Dave
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1966 VW Beetle ‘Jules’
1967 Kombi Splitscreen ‘Barney’
2018 VW Caddy Maxi R Line
2017 Golf GTD saloon
2008 VW EOS 2.0 TFSi

[modok]

it needs to be larger than the piston but smaller than the counterbore so it fits in the head.
slightly smaller than the top of the cylinder would be a good bet.
exact size?, not sure what an exact size is...., (I guess it's an imaginary concept.,.....?)
Didn't know who makes kits of these
But I have heard of perspex, we call it plexi-glass, but it's more generally known as clear acrylic plastic sheet
but anyway
here are some popular sizes of cylinder bore and OD of cylinder, nominal sizes
77-89.8
83-93.8
85.5-93.8
88-95.4
90.5-97 (early thinwall)
90.5-98 (most 90.5)
92-98
92-101 (AA thickwall 92)
94-101

I prefer having the hole near the edge, but if you go with a hole in the center then it's easy to mount on your lathe and trim round

[richparker]

This kit is $40 US.

https://www.jbugs.com/product/16-9603.html
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[Glenn]

$37.50

https://www.geneberg.com/product_info.php?products_id=1290
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[Millionmph]

You can get the syringes for like $5 on amazon and for the disc I used a plastic lid and cut to size, cost $0

[glutamodo]

You want cheap?

I used to make my own CC Kit by salvaging computer related stuff. Repurposing the clear plastic spacer disks that were included in sleeves of blank CD-R and DVD-Rs, cutting them down to fit. And repurposing the syringes that came in InkJet Printer Cartridge Refill Kits. Stuff I had just lying around, zero cost except time. http://members.trainorders.com/android/VW12up/PoorMansCCKit-CDInsertDisksPlusInketSyringes.jpg
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Andy T.


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[garym999]

If you know someone with a 3D printer should be easy to make, just a thought
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1975 South African Fleetline

[lner JP]

If you look on coolairvw website you can hire the discs for £5.50, that's what I planned to do when I get round to my build.

JP

[jpaull]

Because our poster is in England, that CC kit that is $37 turns into $80 real fast once all the shipping/fees are paid. Its really not hard to make something that gets the job done perfectly.
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[Zed999]

Being also in the UK I found I could peel the colour layer off an old licence plate leaving clear perspex.
99p for a syringe from the local chemist was every bit as accurate as the fancy burette I bought to check the syringe. lol

[Murt]

Thanks Chaps for the responses
I'm not a cheapskate by any means but as said earlier if I order one here it's $80 bucks, or as also said, I can hire it for ~$7 but the site below, will make them for peanuts, and as @modok said, I can even have the hole made where I want.

I have just ordered a set of the AA 88's machine in, and wanted to be able do deck height and to CC my heads as well for when I put it all together. The heads will need to be opened up to take 90.5, but I wanted to know the size of the discs that come in the kit if that makes sense ? anyway at the price of the discs, I may make up a couple of sets syringes on Amazon are dirt cheap as well


https://www.perspexsheet.uk/perspex-disc/
_________________
1966 VW Beetle ‘Jules’
1967 Kombi Splitscreen ‘Barney’
2018 VW Caddy Maxi R Line
2017 Golf GTD saloon
2008 VW EOS 2.0 TFSi

[Zed999]

Bargain!
I think your best bet is to get the heads in your hands and measure yourself.