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#1 |
Registered User
Join Date: Feb 2000
Location: Vassar,Ks 66543
Posts: 375
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Best header gaskets????
sliding in the new 383 stroker this weekend and was wanting to know the header gasket you guys have had the best luck with??? i have a set of hooker comp ceramic headers with the 5/16" flanges, and the stage -8 locking header bolts. what do ya all recommend?????
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'72 C-10 Cheyenne Super, 402/TH400, Bucket Seats, tilt, tach, AM/FM & shoulder harnesses and a ground up restoration |
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#2 |
Resident Young Old Dude !
Join Date: Jul 2001
Location: Nevada
Posts: 1,948
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I have the ones with the replacable inserts, I could never get a set to seal for any length of time with the headers I'm running now (It's been so long ago I bought them I don't remember what they are) I think HEADMAN.. anyway I seen advertised these gaskets with replacable inserts, they really work It's been about 5 years since I changed them the last time, before that it was AT LEAST every year.
I also went to the soft aluminum header collecter gaskets and they made a big difference too. RON |
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#3 |
Registered User
Join Date: Jan 2002
Location: Allen, TX. USA
Posts: 210
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Header Gaskets
Go with Copper Gaskets they are more expensive. But they really last.......
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71 C10 LWB With Edelbrock 7101& 1406 Carb Accel HEI Blue Print Accel 8.8 Wires Soon to have possi & 186 Camel hump heads Dropped 2-1/2F&4R Dynomax Headers Duals Flowtech Aftburners Tonneau Cover Frm 89 F150 79 Monte C |
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#4 |
Registered User
Join Date: Aug 2002
Location: Sacramento California
Posts: 60
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headers gaskets
Summit sells Copper Embosed gaskets.They have them for either round or square port and they run about $32.00. 1-800-230-3030 or www.summitracing.com. Jeremy
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70 lwb 2wd 64 bug 00 silverado 4x4 00 Impala "SECOND PLACE IS JUST THE FIRST LOSER" |
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#5 |
Registered User
Join Date: Dec 1999
Location: BRADENTON FLA
Posts: 3,269
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A little tip for small block headers, cut your flange between your center 2 exhaust ports and the outer exhaust ports and they won't warp as bad and blow gaskets
.o. | .oo. | .o. cut and shape them and they look pretty trick too between the cyl's.
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Rest in Peace Ed. Thanks for all the good times. |
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#6 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Headers have never given me any trouble up top, I just slip in stockmanifold gaskets, and they hold fine, nevewr had to cut them or anything.
Now the collectors ALWAYS gave me trouble, till i bought the dead soft alluminum ones. I bought a set back in '98, and they have been on 3 sets of headers, and removed so many times, i can't even remember, and they STILL do not leak. Hooker makes a very good product. (I have a set of rust coated super comps on my GMC) I would hesitate on any cutting or copper gaskets. Try the manifold ones up top. Spend time and money on them only if you have to. Replacing upper gaskets is not a real tough job, so if I'm wron, you spend 1 1/2 hrs at te most o it. If I'm right, your headers will remain uncut, and sealed for about 5 bucks instead of 30 or 40. |
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#7 |
Registered User
Join Date: Jan 2002
Location: comox, british columbia
Posts: 110
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I'm the same as longhorn. I just doubled up on my stock manifold gaskets and have not had any problems.
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70 C-10 350 with weind intake,eldelbrock carb,HEI,305 heads,a mild cam. also a blazer tank w/bed fill,shaved stake pockets and tailgate |
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#8 |
Account Suspended
Join Date: May 2002
Location: Olathe, Kansas
Posts: 929
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I"ve found that nothing will make a cheap header seal lol. But since you have good ones, run the copper gaskets.
I used to run Mr. Gasket set, soaked in water then bolted on wet. Never had a leak unless the bolts backed out. Now I have a set of E-lock's on it ![]() |
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#9 |
Used to have a truck
Join Date: May 2002
Location: port orchard WA
Posts: 1,552
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Ive got copper gaskets on my Summit cheapy headers. I Torqued them down once and never touched them again and they have never leaked .
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No truck :-( |
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#10 |
Registered User
Join Date: May 2002
Location: Wingate NC
Posts: 456
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I have had good luck with dead soft aluminum and copper gaskets.
I have also used high temp copper gasket maker around a paper gasket with good luck.
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Life is good with a 6-71 supercharged 355 in a 72 camaro ![]() |
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#11 |
Registered User
Join Date: Dec 1999
Location: Surrey, B.C. , Canada
Posts: 874
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I have had good luck with just the MR gasket header gaskets. Last engine swap on the camaro I used just the stock manifold style gaskets on someone elses suggestion, bad mistake. They burned out within a few days.
The main thing is to tighten the bolts every week for the 1st few weeks. The reason you get leaks is not from poor seals usually. Its from the bolts coming loose, then you have a hole for the gasses to exit, those hot gasses roast the gaskets and thats why the bad leaks. The reason the soft metal gaskets work so well is only because when you start to get a leak you can just crank it tight and the gasket hasnt burned out already. CoryM
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1970 heavy duty C-10 fleetside sport truck. Vancouver B.C. Canada http://www.geocities.com/chevroletc1070 "Take up our quarrel with the foe: To you from failing hands we throw The torch; be yours to hold it high." Lieutenant Colonel John McCrae, Canadian Army |
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#12 |
Registered User
Join Date: Jan 2002
Location: Slippery Rock PA USA
Posts: 1,692
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im with longhorn on this one..stock manifold gaskets..as for the collectors i use the cheap gaskets with high temp copper silicone..seems to work fine for me
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Ken Lyons, Slippery rock pa 68 short step 327 t10 4 gear 72 2wd blazer project 70 lwb 305/700r driver 78 caprice project 02 cavalier D.D ( hate it!!) |
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#13 |
Senior Member
Join Date: Jul 2002
Location: Champaign, IL
Posts: 1,397
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Copper gaskets. No doubt about it. Although I have used straight ultra-copper sealant and had that last.
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Baby Blue's Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=652776 Project 68's Build Thread: http://67-72chevytrucks.com/vboard/s...17#post8442117 www.stonecolumnclassics.com Email: Josh@stonecolumnclassics.com |
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#14 |
Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,950
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i use the felpro header gaskets that look just like manifold gaskets but are made for headers which allows u to leave the two outside bolts in the headers when u install the gaskets.and u dont have to mess with header alignment and all that crap.
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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#15 |
Registered User
![]() Join Date: Dec 1999
Location: Modesto, CA
Posts: 565
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has anyone tried the Permatex Ultra black silicone that sanderson recommends on all its headers, instead of a gasket?
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Current owner of 2016 2500 Silverado Midnight Edition. Former owner of: 69 1/2 ton, change from long/fleet to short/fleet, shaved door handles, shaved tailgate, 4/6 drop, power windows, 700r4 72 blazer, 350 with Holley Commander 950 DFI, crane energizer cam, 350 tranny, dual sanderson blockhuggers/magnaflow exhaust |
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