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Zax · 05-12-2004, 01:34 AM

Hi,

I'm new to this forum and this is my first post but I have been reading alot of the previous threads and I have to say there are some really amazing people here and I really appreciate the fact that they have shared their work and experience with others, keep it up please!
I have a couple of questions, I'm making my first block, Rotor style with a polycarbonate top. I have these fittings;

http://www.koolnquiet.co.uk/index.ph...=221&cat_id=53

My question is, which size tap do I need to tap the holes in the polycarbonate?
Also, I'm thinking of using "Instant gasket" to seal the block, it's an rtv silicone used in engines, is this stuff good enough, in some parts of my block the sealant will have about a 3mm wide contact zone between the copper and polcarbonate, however there will be 4 small bolts sealing the block aswell.

All advise would be much appreciated, thanks.

05-12-2004, 01:34 AM	#1
Zax Cooling Neophyte Join Date: May 2004 Location: UK Posts: 15	Which tap size? Hi, I'm new to this forum and this is my first post but I have been reading alot of the previous threads and I have to say there are some really amazing people here and I really appreciate the fact that they have shared their work and experience with others, keep it up please! I have a couple of questions, I'm making my first block, Rotor style with a polycarbonate top. I have these fittings; http://www.koolnquiet.co.uk/index.ph...=221&cat_id=53 My question is, which size tap do I need to tap the holes in the polycarbonate? Also, I'm thinking of using "Instant gasket" to seal the block, it's an rtv silicone used in engines, is this stuff good enough, in some parts of my block the sealant will have about a 3mm wide contact zone between the copper and polcarbonate, however there will be 4 small bolts sealing the block aswell. All advise would be much appreciated, thanks.