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#1
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Cometic gaskets
Have a question about Cometic head gaskets on my Engine . I’ve been doing a little reading and supposedly these gaskets can be re-used. I’m into an investigative tear down currently . Has anyone re-used a set of these without issues /concerns .
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#2
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They are reusable. I put mine on in ‘08, but haven’t had the heads off since to verify that for myself.
Remember, You have to make sure heads have the correct RA on the surface to use them though.
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71' GTO -original 400/4-speed/3.23 posi 13.95 @ 102.1 on street tires @ 4055lbs. ‘63 LeMans- ‘69 400 w/ original transaxle. 2.69 gears. |
The Following User Says Thank You to 67drake For This Useful Post: | ||
#3
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We reuse them all the time. Procedure used to be install "as is" then Copper Coat with second use then retire.... Since their price increases we'll run them for a third time if they look good.
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The Following User Says Thank You to PAUL K For This Useful Post: | ||
#4
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I have even reused even the Fel Pro 1016 gaskets with just a film of sealer around the water passages.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
#5
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I have reused my Cometics without issue and I have reused Felpro 1016 without issue.
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1967 Firechicken, 499", Edl heads, 262/266@0.050" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. 10.01@134.3 mph with a 1.45 60'. Still WAY under the rollbar rule. |
#6
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I was fighting an old set of Wenzler heads that someone got too aggressive grinding in the pushrod bulge.. had them off several times, reused the gaskets 2 or 3 X’s . Gave them a quick dusting of copper spray, no issues.
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LIFT HEAVY, LIFE IS TOO SHORT TO BE SMALL! |
#7
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Thanks for the reply’s . Engine builder wanted to get at it . So this morn some disassembly. He wants me to order a new set . Currently 4.175 , wants me to go 005 larger. Told him why didn’t he spec out 4:180 when this went together in 2018?. We will have a discussion tomorrow on this. If need be then guess a deal will need to made.
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