Putting 6.5 heads on a 6.2 but what thickness gasket??? - Diesel Place : Chevrolet and GMC Diesel Truck Forums
 
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6.5/6.2 High Performance Engine Modifications High Performance Turbocharger and Engine Related Modifications Discussion Forum - Specific To The GM 6.2 & 6.5 Diesel Engine.

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Old 02-20-2019, 03:34 PM   #1 (permalink)
DICAST
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Putting 6.5 heads on a 6.2 but what thickness gasket???

My truck is currently in the shop due to blown headgaskets which turned into needing new heads. I ordered 2 new heads from XDP https://www.xtremediesel.com/promaxx...-cylinder-head along with ARP studs and MLS gaskets https://www.xtremediesel.com/cometic...iant_id=116475 and rebuilt injectors https://www.xtremediesel.com/dtech-d...-fuel-injector. Now I've done lots of research and everything says I can use these heads on a 82 6.2l block with no problems or mods. Just that the injector lines need to be bent a bit to fit. My question is, if the block has never been decked and im using new heads; what thickness MLS gaskets should I get??? I've read anywhere from .035 to .051. Does anyone have a correct number? Even Autozone and the Chevy dealer don't know. Thank all!

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Old 02-20-2019, 06:49 PM   #2 (permalink)
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Non-turbo 6.2? I'd use the standard 0.035" gaskets. If it's turboed (or if you are going to turbo it) then at least 0.045" gaskets and 0.051 would be better.

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Old 02-21-2019, 02:59 AM   #3 (permalink)
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Ok I got .051 thickness just in the anticipation that im going to turbo it in the future. Thank you!
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