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#1 |
Junior Member
Join Date: Mar 2007
Location: Hideaway, TX
Posts: 4,950
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Best exhaust manifold gasket???
I can't wait to see how these look mounted. I had them blasted and dipped and thought they came out pretty good. I should have just bought headers but what the hell it is just a Goodwrench 260hp motor. Wondering what everyone is using for gaskets??
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 |
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#2 |
Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,254
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Re: Best exhaust manifold gasket???
I've never used an exhaust manifold gasket on a small block Chevy.
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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#3 |
425hp409
![]() Join Date: Oct 2008
Location: Prosper Texas
Posts: 841
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Re: Best exhaust manifold gasket???
Chevrolet never used gaskets when they built the engine and I never use them either. Gaskets are to try to make up for some warpage in the manifolds, but to me are really a leak waiting to happen. I run a large flat file over the manifold mating surface to make sure it is flat and clean and then bolt them on with never a leak. I also run the file over the cylinder head mounting surface.
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Charles 68 SWB, Dad bought new, now 396 & factory ac 64 Impala SS, 409 425HP, 4 speed AC 64 Bel Air Wagon, 400 Small Block 57 Bel Air all original 283 w/Factory Air 77 GMC Sprint, 454/425HP 67 Olds 442, all original 90 ZR1 Corvette |
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#4 | |
Cruzin
Join Date: Dec 2009
Location: on the road
Posts: 2,835
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Lime Wife's 67https://www.google.com/url?sa=t&rct=...wZEMODaS2d94u8 Back to the Fifties 59 https://www.google.com/url?sa=t&rct=...NAeStpydfrcj_U Proverbs 3:5,6 "Thanks to the Interstate Highway System, it is now possible to travel across the country from coast to coast without seeing anything."Charles Kuralt In memory of our first baby daughter, daddy and mommy love you. Danica Grace 6/26/14
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#5 |
Junior Member
Join Date: Mar 2007
Location: Hideaway, TX
Posts: 4,950
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Re: Best exhaust manifold gasket???
ok I will try them with no gasket, it is getting closer, have new valve finned valve covers and the rest of the fuel system on the way and hope to button everything else up this week
PS How much torque do you apply?
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 Last edited by BB72CHEVKT; 03-12-2012 at 04:23 PM. Reason: add info |
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#6 |
Registered User
![]() Join Date: Dec 2009
Location: Durham,NC
Posts: 636
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Re: Best exhaust manifold gasket???
Did you get the bolt from a local hrdware store? If so will you measure them and let me kno length etc please. Thanks!
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#7 |
Confirmed Truckaholic
![]() Join Date: Oct 2000
Location: Sarver,PA 16055
Posts: 732
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Re: Best exhaust manifold gasket???
Those are going to look great. You can't beat the engine.
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1968 50th STEP SIDE SHORTY, 350/350, a/c, ps, p,b Daily Driver, 1970 Cst short fleet, all black, 350/350, 1970 2wd Blazer, 2wd, 6 cyl. 3 spd, original, now a 454, 350turbo, 3.73 posi, on the road 1971 2wd fleet shorty, 454, 700r4, 3.73 posi, SOLD to 67OLDSTYLE72 "My rig's a little old but that don't mean she's slow" - SAWYER BROWN's Six Days On The Road SEMPER FI "I use to be a lean mean fighting machine, but now I'm a huffin, puffin, over stuffin love muffin" |
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#8 |
Junior Member
Join Date: Mar 2007
Location: Hideaway, TX
Posts: 4,950
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Re: Best exhaust manifold gasket???
I hope. This one supposedly has 60K on it. It did appear to be true by how clean it was but I did not look at the bottom end. I think this one had set up for 6 years. I am waiting on a new gas tank and odds and ends.
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 |
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#9 |
Junior Member
Join Date: Mar 2007
Location: Hideaway, TX
Posts: 4,950
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Re: Best exhaust manifold gasket???
I got them at Fastenal and did not see your post until they were already installed. They are stainless 3/18-16.
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 |
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