Chimera Posted December 11, 2019 Share Posted December 11, 2019 Does anyone have an NOS or comparable valve cover cap correct for a 66 Dual Quad to sell (as seen in the picture below)? Please PM. Thank you. Link to comment Share on other sites More sharing options...
Riviera63 Posted December 11, 2019 Share Posted December 11, 2019 50 minutes ago, Chimera said: Does anyone have an NOS or comparable valve cover cap correct for a 66 Dual Quad to sell (as seen in the picture below)? Please PM. Thank you. As always contact the vendors in the Riview. 1 Link to comment Share on other sites More sharing options...
RivNut Posted December 11, 2019 Share Posted December 11, 2019 (edited) Check with Speedway Motors (website) in Lincoln, NE. They have an assortment of vintage type stuff. Edited December 11, 2019 by RivNut (see edit history) 1 Link to comment Share on other sites More sharing options...
JZRIV Posted December 11, 2019 Share Posted December 11, 2019 (edited) I know you want NOS but even if you found one on ebay or elsewhere the Pontiac and Chevy A-Body guys would outbid you and pay insane money for it. This is the correct cap available from inline tube. https://www.inlinetube.com/products/inl11060 There is a VERY slight difference in the AC stamp from original but no one is going to know. You'd have to be in the highest level of concourse judging like the Vette crowd does to be concerned about it. Edited December 11, 2019 by JZRIV (see edit history) 1 2 Link to comment Share on other sites More sharing options...
Chimera Posted December 11, 2019 Author Share Posted December 11, 2019 49 minutes ago, JZRIV said: I know you want NOS but even if you found one on ebay or elsewhere the Pontiac and Chevy A-Body guys would outbid you and pay insane money for it. This is the correct cap available from inline tube. https://www.inlinetube.com/products/inl11060 There is a VERY slight difference in the AC stamp from original but no one is going to know. You'd have to be in the highest level of concourse judging like the Vette crowd does to be concerned about it. Thanks again Jason. I have it in my cart. I just thought I would look around before hitting the buy button. I don't like the idea of getting outbid by some Chev head, but you are probably right, hehehehe. Link to comment Share on other sites More sharing options...
PWB Posted December 11, 2019 Share Posted December 11, 2019 (edited) Wow - no center fastener. I have a GS air cleaner with A.I.R. (No breather cap as the snorkel vents to cleaner) Should a '67 be with out center fastener? The "AC" must be for Albert Champion before the '74 merger? I believe AC designed the '67 GS cleaner/silencer but that phase probably happened in '66? Thanks! Edited December 11, 2019 by PWB (see edit history) 1 Link to comment Share on other sites More sharing options...
JZRIV Posted December 11, 2019 Share Posted December 11, 2019 1 hour ago, PWB said: Wow - no center fastener. I have a GS air cleaner with A.I.R. (No breather cap as the snorkel vents to cleaner) Should a '67 be with out center fastener? The "AC" must be for Albert Champion before the '74 merger? I believe AC designed the '67 GS cleaner/silencer but that phase probably happened in '66? Thanks! Howdy Paul, The cap pictured would not have been used on the 67 430. Thinking you are correct; on AIR cars it would be the low profile cap with the center bump and painted engine color. 1 1 Link to comment Share on other sites More sharing options...
vintage1 Posted January 2, 2020 Share Posted January 2, 2020 Checkout the Buick page on https://www.vintagepartsource.com 1 Link to comment Share on other sites More sharing options...
65VerdeGS Posted January 2, 2020 Share Posted January 2, 2020 On 12/10/2019 at 4:11 PM, Chimera said: I'm confused - why does the '66 dual quad valve cover have a separate oil fill cap in the middle of the left valve cover? The '64/'65 dual quad motors only have the breather cap at the front. To add oil, you remove the breather cap and pour it in there. Why did Buick go to a separate oil fill opening on the '66 dual quad motor? Also, did ALL '66 dual quad left hand valve covers have that 'bump' or dip? This presumably to clear the A.I.R. pump. But I understand A.I.R. was only mandatory for cars sold new in California in '66 and '67. Did Buick use the bumped valve cover in all dual quad equipped cars, even those sold in states where AIR was not required? Link to comment Share on other sites More sharing options...
Chimera Posted January 2, 2020 Author Share Posted January 2, 2020 2 hours ago, 65VerdeGS said: I'm confused - why does the '66 dual quad valve cover have a separate oil fill cap in the middle of the left valve cover? The '64/'65 dual quad motors only have the breather cap at the front. To add oil, you remove the breather cap and pour it in there. Why did Buick go to a separate oil fill opening on the '66 dual quad motor? Also, did ALL '66 dual quad left hand valve covers have that 'bump' or dip? This presumably to clear the A.I.R. pump. But I understand A.I.R. was only mandatory for cars sold new in California in '66 and '67. Did Buick use the bumped valve cover in all dual quad equipped cars, even those sold in states where AIR was not required? All 66 GS had that dip, not just California vehicles. Link to comment Share on other sites More sharing options...
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