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When I removed the exhaust manifolds from the 307, I noticed it had gaskets installed. I did not think that Olds installed gaskets on the cast iron manifolds, so I figure someone installed them. I have been getting conflicting information on whether it is necessary (or wise) to install a set. I've read that they should be installed if the manifolds are warped. Have you installed exhaust gaskets when you changed manifolds?
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'76 Cutlass S 350 (1981-83)
'79 Cutlass Supreme 260 (1983-85)
'79 Cutlass Supreme 350 Chevy (1989-1993)
'77 Cutlass Salon 350 (1996-present)
'98 Bravada - green - (2005) RIP
'98 Bravada - black - (2005-2011) sold
'87 442 (May 2010) undergoing restoration -
They didn't have any from the factory, but it sure doesn't hurt to use them.1985 Cutlass : Gbody Hurst/Olds Tribute Car: 350 SBO, TH-350, 84-87 Dual Snorkel air cleaner, '79 H/O dual gate set up, 84 H/O wheels...84 H/O hood, spoiler, & badges: COMING SOON -
I have always used gaskets on manifolds that did not mate up to their orignial respective mating surface.
When installing them start with the two inners then the two outers and do not torque down the center bolt until last and do not torque it down too much.Lightning Rods repair service:CLICK HERE
Seller Feedback:CLICK HERE
1988 H/OCA Advisor
88 H/O #1 of 4
88 CSC White/Claret - T-tops
88 H/O Triple Black
87 442 Black/Gray - T-tops
85 442 White/Blue - T-tops
85 442 White/Blue - T-tops
85 442 White/Claret - T-tops
85 442 White/Sage
84 H/O Aero Commemorative #2199 - Sunroof
83 H/O #2400 Sand Gray - Sunroof
83 H/O #1607 Sand Gray - T-tops
83 H/O #727 Maple
"Keep them Rockets lit!"Comment
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Ok, thanks for the info, guys. Much appreciated.
BTW, do you happen to have a good set of manifolds for the '87 VIN 9, with the place for the oxygen sensor? Mine are in need of replacement.'76 Cutlass S 350 (1981-83)
'79 Cutlass Supreme 260 (1983-85)
'79 Cutlass Supreme 350 Chevy (1989-1993)
'77 Cutlass Salon 350 (1996-present)
'98 Bravada - green - (2005) RIP
'98 Bravada - black - (2005-2011) sold
'87 442 (May 2010) undergoing restorationComment
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Yes I have a set somewhere, I need to look for them though.Lightning Rods repair service:CLICK HERE
Seller Feedback:CLICK HERE
1988 H/OCA Advisor
88 H/O #1 of 4
88 CSC White/Claret - T-tops
88 H/O Triple Black
87 442 Black/Gray - T-tops
85 442 White/Blue - T-tops
85 442 White/Blue - T-tops
85 442 White/Claret - T-tops
85 442 White/Sage
84 H/O Aero Commemorative #2199 - Sunroof
83 H/O #2400 Sand Gray - Sunroof
83 H/O #1607 Sand Gray - T-tops
83 H/O #727 Maple
"Keep them Rockets lit!"Comment
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How much would you be asking for them?'76 Cutlass S 350 (1981-83)
'79 Cutlass Supreme 260 (1983-85)
'79 Cutlass Supreme 350 Chevy (1989-1993)
'77 Cutlass Salon 350 (1996-present)
'98 Bravada - green - (2005) RIP
'98 Bravada - black - (2005-2011) sold
'87 442 (May 2010) undergoing restorationComment
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