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| head gasket https://www.slantsix.org/forum/viewtopic.php?t=2764 |
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| Author: | andrew wagner [ Sun Oct 14, 2001 5:11 am ] |
| Post subject: | head gasket |
After doing some testing last nite the boost shoot up to 15lbs and now I have water in the oil. So what would be a good head gasket to get that would be stronger? andrew wagner mrdartgt@earthlink.net |
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| Author: | Doctor Dodge (Doug Dutra) [ Sun Oct 14, 2001 8:25 am ] |
| Post subject: | Re: SL6 head gasket can't that 15 lbs of Boost?!? |
Quote:
: After doing some testing last nite the boost : shoot up to 15lbs and now I have water in : the oil. So what would be a good head gasket : to get that would be stronger? : andrew wagner Wow 15 lbs, through an intercooler, this thing is going to rock. (errr, what type of pistons are in this engine?? ;-0 There are 3 types of gaskets available for the SL6: 1) The basic composite, metal core with a fiber skin. There are a few different types. All are .040 to .050 thick. The "cheap" ones (without any "slick / glossy" coatings) seem to seal the best but are a real pain to clean-off surfaces during tear-downs. 2) The stamped steel shim gasket was the standard deal from the factory for many years. These are .020 thick and work well on freashly machined surfaces. I find that using a shim gasket along with a light coat of sealer (Copper-Coat or Hylomar) on a resurfaced block / head makes a great seal. 3) Copper Head Gasket with an "O"-ringed block. This is what you should do but do it during your next engine re-build. A "dead-soft" copper gasket combined with copper wire "O"-rings will hold the super high cylinder pressure of a blower or turbo. Are you currently running head studs?? DD |
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| Author: | andrew wagner [ Sun Oct 14, 2001 9:08 am ] |
| Post subject: | Re: SL6 head gasket can't that 15 lbs of Boost?!? |
The engine is stock with who knows how many miles on it. The 15 lbs of boost was now what I was going for, but I am having trouble regulating the boost with this turbo. It just wants to shoot up and the waste gate spring to to strong or just old. I want to run about 7 or 8 and slowly increase from there. I just want too take the stock /6 as far as it will go which is about mid 14s (hopfully) andrew wagner Quote:
: : Wow 15 lbs, through an intercooler, this thing : is going to rock. (errr, what type of : pistons are in this engine?? ;-0 : : There are 3 types of gaskets available for the : SL6: 1) The basic composite, metal core with : a fiber skin. There are a few different : types. All are .040 to .050 thick. The : "cheap" ones (without any : "slick / glossy" coatings) seem to : seal the best but are a real pain to : clean-off surfaces during tear-downs. : : 2) The stamped steel shim gasket was the : standard deal from the factory for many : years. These are .020 thick and work well on : freashly machined surfaces. I find that : using a shim gasket along with a light coat : of sealer (Copper-Coat or Hylomar) on a : resurfaced block / head makes a great seal. : : 3) Copper Head Gasket with an : "O"-ringed block. This is what you : should do but do it during your next engine : re-build. A "dead-soft" copper : gasket combined with copper wire : "O"-rings will hold the super high : cylinder pressure of a blower or turbo. : : Are you currently running head studs?? : DD mrdartgt@earthlink.net |
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| Author: | Dave M [ Sun Oct 14, 2001 9:21 am ] |
| Post subject: | Re: SL6 head gasket can't that 15 lbs of Boost?!? |
Quote:
: Wow 15 lbs, through an intercooler, this thing : is going to rock. (errr, what type of : pistons are in this engine?? ;-0 : : There are 3 types of gaskets available for the : SL6: 1) The basic composite, metal core with : a fiber skin. There are a few different : types. All are .040 to .050 thick. The : "cheap" ones (without any : "slick / glossy" coatings) seem to : seal the best but are a real pain to : clean-off surfaces during tear-downs. : : 2) The stamped steel shim gasket was the : standard deal from the factory for many : years. These are .020 thick and work well on : freashly machined surfaces. I find that : using a shim gasket along with a light coat : of sealer (Copper-Coat or Hylomar) on a : resurfaced block / head makes a great seal. : : 3) Copper Head Gasket with an : "O"-ringed block. This is what you : should do but do it during your next engine : re-build. A "dead-soft" copper : gasket combined with copper wire : "O"-rings will hold the super high : cylinder pressure of a blower or turbo. : : Are you currently running head studs?? : DD Doug Can you still by the stamped steel head gaskets? Some one said they were discontinued? How much could you over bore the engine with this gasket? damuel@kalama.com |
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| Author: | Doctor Dodge (Doug Dutra) [ Sun Oct 14, 2001 10:03 am ] |
| Post subject: | Re: SL6 head gasket can't that 15 lbs of Boost?!? |
Quote:
: Doug Can you still by the stamped steel head : gaskets? Some one said they were : discontinued? How much could you over bore : the engine with this gasket? You are right Dave, the shim steel gasket is no longer offered OTS from the manufacturers. I have good success finding them in the "secondary market" so it take more work then a trip to Auto Zone. These are out there, even a Stainless Steel version used for marine applications. DD |
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| Author: | Scott Woebcke [ Sun Oct 14, 2001 1:21 pm ] |
| Post subject: | question about Fel-Pro for Doug |
I read a post on the other slant forum about the newer Fel-Pro gaskets missing a whole for the water passage on heads. He says its in the center of the block between pistons 3&4. He says to use the block as a template and drill a whole. He got the tip from /6 news. Do you know of this causing problems? I happened to have a fel-pro gasket and that might explain some unecessary overheating. Or is that whole supposed to be plugged. Boy will I be postal if I have to take the head off and fix that problem. |
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| Author: | Scott Woebcke [ Sun Oct 14, 2001 1:24 pm ] |
| Post subject: | LOL sorry about that typo |
I was typing out of curious rage, thinking if that bloody gasket is causing the problem I will have at it with the parts store for not telling me, or maybe raise a fuss to fel-pro. |
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| Author: | Doctor Dodge (Doug Dutra) [ Sun Oct 14, 2001 2:21 pm ] |
| Post subject: | Re: LOL sorry about that typo |
Quote:
: I was typing out of curious rage, thinking if : that bloody gasket is causing the problem I : will have at it with the parts store for not : telling me, or maybe raise a fuss to : fel-pro. The front and the center "core holes" are typically covered by the head gasket. If you are having an overheating problem, it is most likely caused by something else. DD |
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