Johnny Buick Posted May 9, 2022 Share Posted May 9, 2022 Hello Everyone I recently purchased a 1985 Buick Riviera Convertible with the V6 Turbo engine. It is white and drives well. It did not come with any hand books and I was wondering what would be the recommended engine oil viscosity to use and should it be conventional or a full synthetic oil? Your comments would be appreciated. Thank you John 2 Link to comment Share on other sites More sharing options...
dship Posted May 9, 2022 Share Posted May 9, 2022 Great looking Riviera. V6 turbo is less common as most had the Olds V8 307ci. I believe 10w-30 would have been the oil of choice during the time this riviera was manufactured. Link to comment Share on other sites More sharing options...
Johnny Buick Posted May 9, 2022 Author Share Posted May 9, 2022 Hello Dave, Thank you for your comments. Will you be heading to Branson in a few weeks time? Take care John Link to comment Share on other sites More sharing options...
Seafoam65 Posted May 9, 2022 Share Posted May 9, 2022 Use Mobil 1 10W30 oil. 1 Link to comment Share on other sites More sharing options...
Johnny Buick Posted May 10, 2022 Author Share Posted May 10, 2022 Hello Seafoam. Thank you for your comments and I will use the oil you and Dave suggested. Thank you John Link to comment Share on other sites More sharing options...
EmTee Posted May 10, 2022 Share Posted May 10, 2022 I'd definitely use a full-synthetic oil with the turbocharged engine. Also good to let the engine idle 15 or 20 seconds to allow the turbo to slow down with oil still flowing to the bearings rather than simply throwing it in 'Park' and immediately killing the engine... 2 Link to comment Share on other sites More sharing options...
dship Posted May 10, 2022 Share Posted May 10, 2022 21 hours ago, Johnny Buick said: Hello Dave, Thank you for your comments. Will you be heading to Branson in a few weeks time? Take care John Not this year. Link to comment Share on other sites More sharing options...
Johnny Buick Posted May 17, 2022 Author Share Posted May 17, 2022 Hello EmTee Thank you for your advice and comments they are appreciated. I note that you also have a 1967 Riviera and I also one and I am on the look our for a rear quarter panel, which had been damaged on mine. Take care Regards John 1 Link to comment Share on other sites More sharing options...
EmTee Posted May 18, 2022 Share Posted May 18, 2022 10 hours ago, Johnny Buick said: ...I am on the look our for a rear quarter panel, which had been damaged on mine. I suggest placing your request here: https://forums.aaca.org/forum/12-buick-buysell/ Link to comment Share on other sites More sharing options...
RivNut Posted May 18, 2022 Share Posted May 18, 2022 10 hours ago, Johnny Buick said: Hello EmTee Thank you for your advice and comments they are appreciated. I note that you also have a 1967 Riviera and I also one and I am on the look our for a rear quarter panel, which had been damaged on mine. Take care Regards John John, check with the CTC Auto Ranch in Denton TX. Most cars are from the desert SW. Here’s a 67 on thir website. 1 Link to comment Share on other sites More sharing options...
Johnny Buick Posted May 19, 2022 Author Share Posted May 19, 2022 Hello Ed Thank you for the information. It is appreciated. Are you going to be in Branson this year? Take care John Link to comment Share on other sites More sharing options...
RivNut Posted May 19, 2022 Share Posted May 19, 2022 2 hours ago, Johnny Buick said: Hello Ed Thank you for the information. It is appreciated. Are you going to be in Branson this year? Take care John Yes sir. Linda’s ‘90 will be in the winner’s circle for Best in Class from 2018. What about you and your lovely wife? Link to comment Share on other sites More sharing options...
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