Does anyone know what Cometic .040 head gasket to use with the Dart 205cc heads?
06-28-2007, 10:49 AM
#1
Does anyone know what Cometic .040 head gasket to use with the Dart 205cc heads? Does anyone know what Cometic .040 head gasket to use with the Dart 205cc heads? Dart says use a 4.100 bore. The cometics come in 4.060 or 4.160 as far as I can tell. Which one should I use? 
Thanks.
Bill
Thanks.
Bill
06-28-2007, 11:45 AM
#3
Originally Posted by PREDATOR-Z
This is from TR site:
119-C5475-040 Cometic MLS Cylinder Head Gasket, LS1 Engine, .040 thickness, 3.910 bore (sold individually) $84.99
119-C5475-040 Cometic MLS Cylinder Head Gasket, LS1 Engine, .040 thickness, 3.910 bore (sold individually) $84.99
06-28-2007, 12:44 PM
#4
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I posted this in another thread...
After calling Dart, and not getting much help, I called Cometic, and they specified one they make that is for a 4" bore. Part # H1295040S but keep in mind that is for a .040 gasket thickness. I layed a set of Cometics for a 3.901 bore on my Dart heads and they do overlap the chambers. I don't know if it matters any, but my heads have also been milled to 59cc's.
The only thing I could get out of Dart is that gaskets for a stock bore will not work correctly on Dart heads. I even layed down a set of GM MLS gaskets on my Dart heads, and even they overlap the chambers.
After calling Dart, and not getting much help, I called Cometic, and they specified one they make that is for a 4" bore. Part # H1295040S but keep in mind that is for a .040 gasket thickness. I layed a set of Cometics for a 3.901 bore on my Dart heads and they do overlap the chambers. I don't know if it matters any, but my heads have also been milled to 59cc's.
The only thing I could get out of Dart is that gaskets for a stock bore will not work correctly on Dart heads. I even layed down a set of GM MLS gaskets on my Dart heads, and even they overlap the chambers.
06-28-2007, 01:17 PM
#5
TECH Senior Member
Then use a gasket that is .030>.060 more than the biggest bore you have (whether block or heads)
If Dart are 3.970 so 4.00 or 4.030 will work
Why not use GM 6.0 MLS? they will work as well.
There ya go: From TR
119-H1295SP5040S Cometic MLS Cylinder Head Gasket, LS1 Engine, .040 thickness, 4.030 bore (sold individually) $84.99
If Dart are 3.970 so 4.00 or 4.030 will work
Why not use GM 6.0 MLS? they will work as well.
There ya go: From TR
119-H1295SP5040S Cometic MLS Cylinder Head Gasket, LS1 Engine, .040 thickness, 4.030 bore (sold individually) $84.99
Last edited by PREDATOR-Z; 06-28-2007 at 01:23 PM.
06-28-2007, 01:43 PM
#7
TECH Senior Member
Originally Posted by ILLINTENT
I have seen people make pig power with factory GM 6.0 MLS gaskets, they will have a perfect 4.0 bore.
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06-28-2007, 05:10 PM
#8
Originally Posted by PREDATOR-Z
Then use a gasket that is .030>.060 more than the biggest bore you have (whether block or heads)
If Dart are 3.970 so 4.00 or 4.030 will work
Why not use GM 6.0 MLS? they will work as well.
There ya go: From TR
119-H1295SP5040S Cometic MLS Cylinder Head Gasket, LS1 Engine, .040 thickness, 4.030 bore (sold individually) $84.99
If Dart are 3.970 so 4.00 or 4.030 will work
Why not use GM 6.0 MLS? they will work as well.
There ya go: From TR
119-H1295SP5040S Cometic MLS Cylinder Head Gasket, LS1 Engine, .040 thickness, 4.030 bore (sold individually) $84.99
Bill
06-28-2007, 05:17 PM
#10
We've got the Cometic in 4.030" for $72.99 each! Call me if I can help!
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Last edited by Scoggin Dickey; 06-28-2007 at 05:29 PM.
06-28-2007, 06:26 PM
#12
Originally Posted by Bill Bowling
I noticed you do not have that one on your web site listed.
I will give you a call.
Bill
I will give you a call.
Bill
Matt
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06-28-2007, 06:32 PM
#13
Originally Posted by Matt @ SDPC
Yea, not all of the Cometic part numbers are listed on the website....call me and we'll get you taken care of though!
Matt
Matt
Thanks,
Bill
06-29-2007, 08:14 AM
#15
Originally Posted by Bill Bowling
I called but you just left for the day. I will call you on Friday.
Thanks,
Bill
Thanks,
Bill
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06-29-2007, 04:30 PM
#17
Sorry we've been short handed and BUSY! I'm still here, and will be until 6:30pm Central. Or PM me your phone number and as soon as I get a clear line out, I can call you to help!
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07-02-2007, 04:31 PM
#19
Glad to help, Bill!
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