lonniemac
Expert Class
Posts: 225
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posted December 06, 2005 10:31 AM
head gasket sealing
hey guys anyone know the best meathod of sealing a spring steel head gasket on a 12.should i use a sealant or not? i want to spray on 13 -1 compression with less chance of blowing the gasket. thanks in advance.
  
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wilson1
Expert Class
Posts: 345
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posted December 06, 2005 10:56 AM
copper coat
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johnnycheese
Pro
Posts: 1008
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posted December 06, 2005 01:08 PM
nothing with a brand new gasket and make sure your block and head are true
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Builder and tuner of some of the fastest N.A. and P/A Hayabusas and ZX12 /14 in Texas
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dougmeyer
Needs a job
moderated
Posts: 2713
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posted December 06, 2005 10:30 PM
New stainless stock or Cometic layered gasket? Use nothing, ever.
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lonniemac
Expert Class
Posts: 225
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posted December 07, 2005 05:11 AM
 Edited By: lonniemac on 7 Dec 2005 05:17
doug thanks, the gasket came from muzzy with the bigblock. i am assuming it is cometic. and is there any surface prep that is best on the billet block and fresh milled head? like a certian grit sandpaper or scouring pad or should i leave it right froom the machining? none of the mating surfaces are the original. i notice factory surfaces are fairly smooth, thanks a lot.
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johnnycheese
Pro
Posts: 1008
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posted December 07, 2005 06:14 AM
quote:
nothing with a brand new gasket and make sure your block and head are true
did you quit reading
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Builder and tuner of some of the fastest N.A. and P/A Hayabusas and ZX12 /14 in Texas
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lonniemac
Expert Class
Posts: 225
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posted December 07, 2005 01:40 PM
hey jc i hear u man but i dont know where this oversize offset gasket came from. and i hear from people that are very well known that builds fast stuff in there shop, to use gasgacinch or cooper coat. even on the spring steel, thats why i i threw this out there cause i always thought not to use anything. since neither surface is original i figured u experienced guys could help me with the best method. and the head guy used a fairly rough belt on his table when he surfaced the head. so if u said use a 400 grit sandpaper or maybe a 600 then thats what i was asking. if rough is good like my girl say it is, then i do it rough. thanks man.
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johnnycheese
Pro
Posts: 1008
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posted December 07, 2005 07:52 PM
Fly cut head.
Block must be surfaced ground(or send to millieum.
And I have NEVER used any sealer on a OEM or cometic gasket. Bigblock or stock block
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Builder and tuner of some of the fastest N.A. and P/A Hayabusas and ZX12 /14 in Texas
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lonniemac
Expert Class
Posts: 225
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posted December 07, 2005 08:00 PM
thanks man.
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VincentHill
Needs a life
Posts: 6520
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posted December 08, 2005 09:50 AM
I use something when installing my Head Gaskets "DeChlorinated Brake Cleaner" and WHite Heavy Duty Paper towels. I clean the Head and Cylinder several times let dry then put the gasket and Head on. Follow the Torque sequence. I use 5 PSI to start and tighten it down twice then move up in force.
Remember then Head Gaskets already have a sealer on them which is that Black Stuff.
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Made History @ Daytona and still one fast old man!!
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