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Re: superperformance valve cover gaskets [Re: fast68plymouth] #2367497
09/08/17 03:33 PM
09/08/17 03:33 PM
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Thumperdart Offline
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Yep and w/silicone no issues as long as you put em on EXACTLY in the same impregnation they leave, they seal fine or at least mine do....... beer


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.....
Re: superperformance valve cover gaskets [Re: fast68plymouth] #2367526
09/08/17 04:38 PM
09/08/17 04:38 PM
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AndyF Offline
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The big problem with MP covers is that they are wider than the mating surface on the head. So they twist the gasket rather than squish the gasket. You can quickly check it with a set of calipers or a machinist rule. The MP covers do not sit squarely on the valve cover rail, they sit slightly to the outside edge and the more you tighten down the bolts the more they twist the gasket.

Re: superperformance valve cover gaskets [Re: hemi-itis] #2367562
09/08/17 06:28 PM
09/08/17 06:28 PM
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Posts: 554
Sth.IL
dare_dude Offline
mopar
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Got the .047 for my SRS working fine! been taking covers off and on to check valve cleareance doing ok.

Last edited by dare_dude; 09/08/17 06:29 PM.
Re: superperformance valve cover gaskets [Re: mopar dave] #2367568
09/08/17 06:51 PM
09/08/17 06:51 PM
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robin hood country
deaks Offline
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I used Greg's pink gaskets with the mopar cast covers and my eddy heads, i sanded all the casting flash off the covers before using them put the gaskets on dry and they sealed fine. I tried the moroso gaskets with the steel band inside and they were a complete disaster.
Mick


69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
Re: superperformance valve cover gaskets [Re: roadhazard] #2367934
09/09/17 03:38 PM
09/09/17 03:38 PM
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Val-haul-ass... eventually
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BradH Offline
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Originally Posted By roadhazard
Originally Posted By BradH
Originally Posted By roadhazard
So what you are telling me is the gasket does not cover the whole flange on the cylinder head and there is exposed sealing area area?

Yep.

Originally Posted By roadhazard
Can you set the gasket on the head, throw in some bolts for alignment and snap a pic or two of the flange area?

Yep.


Thank you! look forward to the pics scope

Pics taken, but I need to resize them before I can post them. Should be later today. FWIW, the sealing area is reduced to .200" on the top rail due to the differences in gasket railing spacing.

Re: superperformance valve cover gaskets [Re: BradH] #2373844
09/20/17 11:55 AM
09/20/17 11:55 AM
Joined: Apr 2006
Posts: 3,675
Akron, Ohio U.S.A.
roadhazard Offline
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Originally Posted By BradH
Originally Posted By roadhazard
Originally Posted By BradH
Originally Posted By roadhazard
So what you are telling me is the gasket does not cover the whole flange on the cylinder head and there is exposed sealing area area?

Yep.

Originally Posted By roadhazard
Can you set the gasket on the head, throw in some bolts for alignment and snap a pic or two of the flange area?

Yep.


Thank you! look forward to the pics scope

Pics taken, but I need to resize them before I can post them. Should be later today. FWIW, the sealing area is reduced to .200" on the top rail due to the differences in gasket railing spacing.


scope scope scope

Re: superperformance valve cover gaskets [Re: roadhazard] #2373874
09/20/17 01:05 PM
09/20/17 01:05 PM
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Val-haul-ass... eventually
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BradH Offline
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Yeah, I need to post those pics for you... possibly tonight.

Re: superperformance valve cover gaskets [Re: BradH] #2374229
09/20/17 11:51 PM
09/20/17 11:51 PM
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Val-haul-ass... eventually
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BradH Offline
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OK, pics... hopefully self-explanatory.

VC_1.JPGVC_2.JPGVC_3.JPGVC_4.JPG
Re: superperformance valve cover gaskets [Re: BradH] #2374234
09/20/17 11:53 PM
09/20/17 11:53 PM
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BradH Offline
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I dykem'd the rail and scribed the gasket line to show how much area was actually in contact w/ the intake-side valve cover rail... right about .200". Then I bolted the valve cover w/ the gasket onto the head.


VC_5.JPGVC_6.JPGVC_7.JPG
Re: superperformance valve cover gaskets [Re: BradH] #2374237
09/20/17 11:55 PM
09/20/17 11:55 PM
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Last two showing gasket & valve cover from the bottom view along the intake rail and at the corner.

VC_8.JPGVC_9.JPG
Re: superperformance valve cover gaskets [Re: mopar dave] #2374298
09/21/17 01:03 AM
09/21/17 01:03 AM
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Yeah that is what my Victor heads looked like too. It appears that the designer at Edelbrock just used the wrong dimensions on the Victor valve cover rail. I would assume that whoever designed the Victor head would just re-use the dimensions from the RPM head but evidently he decided to create a new design which doesn't fit any known gaskets or valve cover. Beats the heck out of me! That was one of the reasons why I decided not to run the Victor heads on my engine.

Re: superperformance valve cover gaskets [Re: mopar dave] #2374320
09/21/17 01:35 AM
09/21/17 01:35 AM
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indy
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eds dart Offline
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the pink gaskets didn,t work on my victors either. plus they tore after I took the covers off the first time after first passes to redo lash. went back to mr gasket black cork type, rtv.d to cylinder head side. worked for years on stock heads and cast valve covers. will see longevity on this set up. don't think pink gaskets are the problem, the identified mismatch at the cylinder head is the source off the problems. why eldebrock built the victors this way????

Re: superperformance valve cover gaskets [Re: mopar dave] #2374331
09/21/17 02:25 AM
09/21/17 02:25 AM
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Great Neck,LI,new york
hemi-itis Offline
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I also had a bad cover leak.There is a very sophisticated method to true the VC rails.

https://www.youtube.com/watch?v=5YKFy82_X8c

sawzall

9.19.17 059.jpg9.19.17 060.jpg

HEMI-ITIS has no cure.
My condition is fully BLOWN!!
Re: superperformance valve cover gaskets [Re: BradH] #2374339
09/21/17 02:59 AM
09/21/17 02:59 AM
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fresno ca
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mikeysmopars Offline
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Originally Posted By BradH
Last two showing gasket & valve cover from the bottom view along the intake rail and at the corner.


This is the same thing I have going on with the same gaskets, I brought this up to Greg which he took a lot of time to try to help including offering new gaskets but which gaskets work best on Indy big block heads and valve covers? Indy's leaked out of the gate. Superformance lasted the longest but still leak when I ran the valves a couple times.


Founder and CEO of the Central Valley Mopar Drag Pack
Re: superperformance valve cover gaskets [Re: mopar dave] #2374386
09/21/17 10:15 AM
09/21/17 10:15 AM
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Mass.
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80fbody Offline
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Wow, glad I went with ported RPM's for my setup. Hate leaks like that.

Re: superperformance valve cover gaskets [Re: roadhazard] #2374452
09/21/17 12:18 PM
09/21/17 12:18 PM
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Great Neck,LI,new york
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You would be amazed at the amount of oil that slings off the cam and hits the bottom of the valley plate/ bathtub gasket!

Maybe the valve cover gaskets were not leaking after all but as we discussed over the phone, would be good to get them surfaced flat over the winter, put the original gaskets back on and roll with it.

Nice chatting with you Dave wave [/quote]
This where this shows its value.Splash shield! Also keep oil from slinging on the bottom of the intake or valley gasket.

9.19.17 030.jpg

HEMI-ITIS has no cure.
My condition is fully BLOWN!!
Re: superperformance valve cover gaskets [Re: mikeysmopars] #2374494
09/21/17 01:38 PM
09/21/17 01:38 PM
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Originally Posted By mikeysmopars
Originally Posted By BradH
Last two showing gasket & valve cover from the bottom view along the intake rail and at the corner.


This is the same thing I have going on with the same gaskets, I brought this up to Greg which he took a lot of time to try to help including offering new gaskets but which gaskets work best on Indy big block heads and valve covers? Indy's leaked out of the gate. Superformance lasted the longest but still leak when I ran the valves a couple times.

I've never expected valve cover gaskets to be reusable, for the most part. I hate leaks... If they'll seal the first time on, but need to be replaced every time the covers come off, then it'll just be another consumable item to keep extras on hand.

Re: superperformance valve cover gaskets [Re: mopar dave] #2374500
09/21/17 01:44 PM
09/21/17 01:44 PM
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AndyF Offline
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I can solve that valve cover gasket issue for you Brad but it will cost a bunch of money! Once I made billet valve covers for my stuff the leaks went away. Your issue would be even harder to solve since custom valve covers would also require custom gaskets. Might be easier to have a good shop add a bead of weld on the valve cover rail so the gasket if fully supported on the intake side.

Re: superperformance valve cover gaskets [Re: AndyF] #2374504
09/21/17 01:48 PM
09/21/17 01:48 PM
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BradH Offline
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Originally Posted By AndyF
I can solve that valve cover gasket issue for you Brad but it will cost a bunch of money! Once I made billet valve covers for my stuff the leaks went away. Your issue would be even harder to solve since custom valve covers would also require custom gaskets. Might be easier to have a good shop add a bead of weld on the valve cover rail so the gasket if fully supported on the intake side.

I got me a tub o' Belzona... bondo

Re: superperformance valve cover gaskets [Re: mopar dave] #2376462
09/25/17 02:24 PM
09/25/17 02:24 PM
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Val-haul-ass... eventually
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BradH Offline
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Greg: I figured out over the weekend that I've been sold two different versions of Superformance VC gaskets. The ones pictured above are packaged as B1 gaskets, and the other set is the standard BB MP-15 gasket.

I've purchased your products from multiple vendors and don't remember who sold me which ones. Regardless, I'll add some additional pics to show both part #s with the same head & valve cover.

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