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Registered
Join Date: Sep 2000
Location: Bournemouth, England
Posts: 1,099
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98mm has arrived
Hi all,
Well my 98mm barrels and pistons have arrived!! Now all I am waiting for is my 79 SC motor to arrive, can't wait. Here are a few pics of one of the Mahle (Max Moritz) pistons. Alan.UK   
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03-17-2004, 01:40 AM
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Registered
Join Date: May 2003
Posts: 132
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Alan,
Can you post a picture of the top of the cylinder. I just purchased some 98 mm Mahle cylinders and they were cut for some type of seal ring. Do yours have this o-ring groove also? Vic
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Victor Toce 2000 Boxster S w/ Tequipment exhaust 1993 Spec Miata 87 911 turbo - sold 3.4 RUF pistons and cylinders Euro CIS head |
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03-17-2004, 03:13 AM
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Registered
Join Date: Sep 2000
Location: Bournemouth, England
Posts: 1,099
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Hi Vic,
I will take a picture but I am sure the tops of the cylinders are flat, i.e no sealing ring. Give me a day or 2 and I will take some more pics. Can't wait to build this motor now. Alan.UK
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-------------------- Always learning |
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03-17-2004, 05:42 AM
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Registered
Join Date: Sep 2000
Location: Bournemouth, England
Posts: 1,099
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Hi Vic,
Here is a pic as requested. Alan.UK 
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03-20-2004, 07:11 AM
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Registered
Join Date: May 2003
Posts: 132
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Thanks,
Mine have a sealing ring cut into the flat sealing surface. I do not know you did the machine work and I'm having a difficult time finding the rings.  ID = 4.045 in or 102.743 mm depth = .074 in or 1.880 mm width = .084 in or 2.134 mm OD = 4.213 in or 107.010 mm
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Victor Toce 2000 Boxster S w/ Tequipment exhaust 1993 Spec Miata 87 911 turbo - sold 3.4 RUF pistons and cylinders Euro CIS head |
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03-20-2004, 08:09 AM
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Registered
Join Date: Mar 2002
Posts: 3,563
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I think I told you in your original post Victor, Protomotive make/sell the aluminium rings for this setup. I think the process is called Ni-Resist, or "flame ringing".
See www.protomotive.com
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Merv '89 911 Turbo Cab Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition 
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03-28-2004, 09:45 PM
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