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Re: Open chamber aluminum head
[Re: Stanton]
#2720290
11/29/19 05:13 PM
11/29/19 05:13 PM
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Joined: Jan 2003
Posts: 14,492
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,492
So. Burlington, Vt.
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Edelbrock 88cc rpm, or you can have Indy cnc it into one of their heads.
The Ede head open chamber quench pad area is .100 deep.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: Open chamber aluminum head
[Re: fast68plymouth]
#2720340
11/29/19 09:22 PM
11/29/19 09:22 PM
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Joined: Oct 2005
Posts: 8,860
Ontario, Canada
Stanton
OP
Don't question me!
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OP
Don't question me!
Joined: Oct 2005
Posts: 8,860
Ontario, Canada
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The Ede head open chamber quench pad area is .100 deep. Yikes !! I guess you don't want a piston that's down in the hole at TDC !!
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Re: Open chamber aluminum head
[Re: Stanton]
#2720357
11/29/19 10:56 PM
11/29/19 10:56 PM
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Joined: Aug 2003
Posts: 43,116
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,116
Bend,OR USA
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Does anyone make an open chamber BB aluminum head ?? Why do you want one of them? 
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Open chamber aluminum head
[Re: Stanton]
#2720372
11/29/19 11:58 PM
11/29/19 11:58 PM
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Joined: Aug 2011
Posts: 2,853
Pattison Texas
CSK
master
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master
Joined: Aug 2011
Posts: 2,853
Pattison Texas
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Not "one", two.
So here's the deal. I currently have Indy EZ1 max wedge heads and single 4 intake. My pistons sit .016 out of the hole and I have the thickest gasket I can find and still only have .035 quench. Close enough to be nervous. Now I've got a hankerin' to install efi using the Eddy Pro-flow intake BUT its made for standard ports so-o-o-o I'm thinking if I switch heads to a standard port at the same time I'd use an open chamber and solve my quench issue. But obviously with .100 its going to be far to much clearance even with a thin gasket. Yes, I suppose I could cut a brand new set of heads !! Cometic make gaskets any thickness , been running mine .016 out .051 gaskets for 9k miles no hitting the head They have .060 off the shelf
Last edited by csk; 11/30/19 12:07 AM.
1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5
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Re: Open chamber aluminum head
[Re: Stanton]
#2720402
11/30/19 10:11 AM
11/30/19 10:11 AM
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Joined: May 2003
Posts: 6,560
Downtown Roebuck Ont
Twostick
Still wishing...
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Still wishing...
Joined: May 2003
Posts: 6,560
Downtown Roebuck Ont
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Not "one", two.
So here's the deal. I currently have Indy EZ1 max wedge heads and single 4 intake. My pistons sit .016 out of the hole and I have the thickest gasket I can find and still only have .035 quench. Close enough to be nervous. Now I've got a hankerin' to install efi using the Eddy Pro-flow intake BUT its made for standard ports so-o-o-o I'm thinking if I switch heads to a standard port at the same time I'd use an open chamber and solve my quench issue. But obviously with .100 its going to be far to much clearance even with a thin gasket. Yes, I suppose I could cut a brand new set of heads !! The most cost effective solution to your problem which depending on how much piston to wall clearance you have, might not be a problem, is a Cometic head gasket and a trip to the machine shop with your intake to have injector bungs installed. Lots of change from that out of the price of cylinder heads and a new intake. Depending on where your top ring is located, shaving .004 off the piston shouldn't compromise its integrity but head gaskets are still cheaper and easier. That Proflo intake with the front mount throttle body does look cool... Your current combo has more power potential tho.  Kevin
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Re: Open chamber aluminum head
[Re: Twostick]
#2720413
11/30/19 11:06 AM
11/30/19 11:06 AM
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Joined: Jan 2003
Posts: 14,492
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,492
So. Burlington, Vt.
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Does SCE not offer their Titan series of gaskets in .060 thickness?
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: Open chamber aluminum head
[Re: fast68plymouth]
#2720459
11/30/19 02:51 PM
11/30/19 02:51 PM
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Joined: Aug 2003
Posts: 43,116
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,116
Bend,OR USA
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Does SCE not offer their Titan series of gaskets in .060 thickness? I'm sure they do but you won't find out without calling them now (661-728-9200 after being bought, moved and merged twice in the last 5 yrs  I've used their copper head gaskets a bunch of times with good results, blown or N/A 
Last edited by Cab_Burge; 11/30/19 02:52 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Open chamber aluminum head
[Re: Stanton]
#2720472
11/30/19 04:33 PM
11/30/19 04:33 PM
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Joined: May 2003
Posts: 6,560
Downtown Roebuck Ont
Twostick
Still wishing...
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Still wishing...
Joined: May 2003
Posts: 6,560
Downtown Roebuck Ont
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Cometics are MLS and require a specific finish on the block and heads. Mine does not have that finish and everyone I've talked to (Cometic and engine builders) say they won't work properly. Lots of people run them with the "wrong" finish as is with no problems and some do it by spraying them with Coppercote or some other sealant. Cometic doesn't recommend this but I'm sure it's more from a product liability view than reality. They have no idea how "wrong" the finish that a customer has might be so to eliminate any leaking complaints that aren't their fault, they dictate the installation procedure. Mopar used to run shim gaskets OEM and I don't recall any specific deck finish for those. That was a metal to metal seal as well. Kevin
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Re: Open chamber aluminum head
[Re: CSK]
#2720478
11/30/19 05:00 PM
11/30/19 05:00 PM
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Joined: Jan 2003
Posts: 4,270
Morrow, OH
markz528
master
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master
Joined: Jan 2003
Posts: 4,270
Morrow, OH
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Cometic make gaskets any thickness Yes - but my "custom" thick Cometic gaskets were $400 a set! This was over 5 years ago.
67 Coronet 500 9.610 @ 139.20 mph
67 Coronet 500 (street car) 14.82 @ 94 mph
69 GTX (clone) - build in progress......
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Re: Open chamber aluminum head
[Re: markz528]
#2720479
11/30/19 05:04 PM
11/30/19 05:04 PM
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Joined: Jan 2003
Posts: 14,492
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,492
So. Burlington, Vt.
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.060” thick by itself doesn’t require them to be “custom” from Cometic.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: Open chamber aluminum head
[Re: Twostick]
#2720480
11/30/19 05:05 PM
11/30/19 05:05 PM
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Joined: Oct 2005
Posts: 8,860
Ontario, Canada
Stanton
OP
Don't question me!
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OP
Don't question me!
Joined: Oct 2005
Posts: 8,860
Ontario, Canada
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Does SCE not offer their Titan series of gaskets in .060 thickness? The tight quench has been my dilemma for a few years now and I've posted on here numerous times about the issue. Cometic has often been the suggestion but this is the FIRST time anyone has suggested the SCE ones. I think these just may be the solution to my losing sleep at night! Thanks!
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Re: Open chamber aluminum head
[Re: calrobb2000]
#2720629
12/01/19 01:30 PM
12/01/19 01:30 PM
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Joined: May 2011
Posts: 625
Oakville, Wa
HOTMOPR
mopar
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mopar
Joined: May 2011
Posts: 625
Oakville, Wa
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67 Barracuda, 470" B, Glide, FuelTech FT600, Precision, Ptc, QA1, Calvert, Smith racecraft, Afco, Dana 60. 275 radials
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Re: Open chamber aluminum head
[Re: Stanton]
#2720656
12/01/19 03:24 PM
12/01/19 03:24 PM
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Joined: May 2011
Posts: 4,489
northern,Ohio,USA
Clanton
master
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master
Joined: May 2011
Posts: 4,489
northern,Ohio,USA
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I have been using copper for 20yrs and with studs I like to add some tq to the head stud around 5 to 10 ft lbs. Yep ... I'm liking that !!
Last edited by Clanton; 12/01/19 03:25 PM.
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