Cosmetic or composite head gasket with 11.5:1 comp? pics add
#2131269
08/12/16 05:07 PM
08/12/16 05:07 PM
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Joined: Jan 2007
Posts: 8,042 Mt Morris Michigan
mopar dave
OP
master
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OP
master
Joined: Jan 2007
Posts: 8,042
Mt Morris Michigan
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I'm not real impressed with the shop that machined my block. Didn't fit the cam, didn't install oil shaft bushing and I don't like how they decked it. I told them 0 deck, so they take .002 off one side and .010 off the other to get 0 deck, but they left what looks like rust in the deck. It's smooth to the touch, but not sure it will seal a cometic. Can I use a composite gasket with 11.5:1 on a 511? I'll get some pics later. pics added
Last edited by mopar dave; 08/13/16 02:14 PM.
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Re: Cosmetic or composite head gasket with 11.5:1 comp?
[Re: mopar dave]
#2131322
08/12/16 06:23 PM
08/12/16 06:23 PM
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Joined: Jan 2003
Posts: 14,506 So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
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IMO, 1009's are not even an option on a 400 block.
If I were putting together it would get cometics.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: Cosmetic or composite head gasket with 11.5:1 comp?
[Re: fast68plymouth]
#2131326
08/12/16 06:33 PM
08/12/16 06:33 PM
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Joined: Sep 2006
Posts: 4,628 Columbus, Ohio
wheelsup68dart
master
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master
Joined: Sep 2006
Posts: 4,628
Columbus, Ohio
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IMO, 1009's are not even an option on a 400 block.
If I were putting together it would get cometics. Sorry Small block guy here, I thought all BB RB stuff was the same.
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Re: Cosmetic or composite head gasket with 11.5:1 comp?
[Re: mopar dave]
#2131327
08/12/16 06:39 PM
08/12/16 06:39 PM
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Joined: Jan 2003
Posts: 14,506 So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
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In theory they would work, but they often have the fire ring land on the edge, or just off the edge of the bore chamfer. If they are like that, the wire gets pushed down into the bore, the combustion gasses get behind the fire ring and torch the gasket..... And then usually the head and block.
I have repaired several motors where this happened with 1009's.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: Cosmetic or composite head gasket with 11.5:1 comp?
[Re: mopar dave]
#2131341
08/12/16 07:05 PM
08/12/16 07:05 PM
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Joined: Feb 2003
Posts: 1,102 Massillon, Ohio
cudatom
super stock
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super stock
Joined: Feb 2003
Posts: 1,102
Massillon, Ohio
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I'm at 11:6:1 on my 512/400 block build w/Eddy heads. Its been running Mr Gasket MRG-3247G for 2 yrs now. No issues.
Ok
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Re: Cosmetic or composite head gasket with 11.5:1 comp?
[Re: mopar dave]
#2131358
08/12/16 07:19 PM
08/12/16 07:19 PM
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Joined: Feb 2005
Posts: 20,185 PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,185
PA.
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OK, cometics. Should I spray block side of gasket with copper? Here are some answers for you. Just click on the link. http://www.cometic.com/ft-2800-technical-support.html
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.42@138.27
Livin and lovin life one day at a time
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Re: Cosmetic or composite head gasket with 11.5:1 comp?
[Re: mopar dave]
#2131426
08/12/16 08:27 PM
08/12/16 08:27 PM
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Joined: Jul 2004
Posts: 19,318 State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,318
State of confusion
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I'm not real impressed with the shop that machined my block. Didn't fit the cam, didn't install oil shaft bushing and I don't like how they decked it. I told them 0 deck, so they take .002 off one side and .010 off the other to get 0 deck, but they left what looks like rust in the deck. It's smooth to the touch, but not sure it will seal a cosmetic. Can I use a cometic gasket with 11.5:1 on a 511? I'll get some pics later 17059 Marine gaskets............
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: Cosmetic or composite head gasket with 11.5:1 comp?
[Re: AndyF]
#2131575
08/12/16 10:52 PM
08/12/16 10:52 PM
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Joined: Feb 2005
Posts: 20,185 PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,185
PA.
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Plus they are re-usable. I finally installed my first set on my 422 after my 1009's blew into the intake valley. They are also going on the 512 and 572 I am building too
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.42@138.27
Livin and lovin life one day at a time
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Re: Cosmetic or composite head gasket with 11.5:1 comp?
[Re: mopar dave]
#2131641
08/13/16 12:00 AM
08/13/16 12:00 AM
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Joined: Dec 2013
Posts: 4,687 Wichita
GY3
master
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master
Joined: Dec 2013
Posts: 4,687
Wichita
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Fel-Pro's started to fail on my 505 shortly after I got it together. Not sure of the probelem, but went back with Cometic and trouble free since.
'63 Dodge 330 11.19 @ 121 mph Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs. 10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
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Re: Cosmetic or composite head gasket with 11.5:1 comp?
[Re: mopar dave]
#2131642
08/13/16 12:01 AM
08/13/16 12:01 AM
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Joined: Sep 2015
Posts: 1,096 Australia
ozymaxwedge
super stock
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super stock
Joined: Sep 2015
Posts: 1,096
Australia
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Dave, go for it, 1009's, spray em with copper and fit them wet. Will be fine unless you are going on the bottle.
1963 Plymouth Max Wedge 1971 Barracuda
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