86mm Cometic HG - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

timtiminy · 03-13-2008, 01:40 AM

anybody have any experience with the newest cometic head gaskets for the sr20det, they now have a 86mm size which was not available a while ago. I know there was problems with them sealing in the past, but iirc they only had 88.5mm and it may have been associated with using the 88.5mm HG and having the stock 86mm bore. Cometic is also advertising that they are Viton coated, not sure if the older 88.5mm ones were... i just wanted to see if anyone has had any experience with the newest ones.

03-13-2008, 01:40 AM	#1
timtiminy Zilvia Addict Join Date: Feb 2006 Location: Socal Posts: 624 Trader Rating: (0) Feedback Score: 0 reviews	86mm Cometic HG anybody have any experience with the newest cometic head gaskets for the sr20det, they now have a 86mm size which was not available a while ago. I know there was problems with them sealing in the past, but iirc they only had 88.5mm and it may have been associated with using the 88.5mm HG and having the stock 86mm bore. Cometic is also advertising that they are Viton coated, not sure if the older 88.5mm ones were... i just wanted to see if anyone has had any experience with the newest ones.

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