kingrudy Posted November 7, 2021 Share Posted November 7, 2021 (edited) Can any one tell me what year this spark plug cover is appropriate for? I purchased this for my car, but I believe it is for an earlier year. Thank you for the input. Mike Edited November 7, 2021 by kingrudy Clarity (see edit history) Link to comment Share on other sites More sharing options...
EmTee Posted November 8, 2021 Share Posted November 8, 2021 Looks a lot like the one on my '38... Is it for a 248 or 320? 1 Link to comment Share on other sites More sharing options...
MCHinson Posted November 8, 2021 Share Posted November 8, 2021 With a quick glance, that one looks like the ones I have seen on 1937 and 1938 Buicks. The parts manual indicates the one that is used for 1936, 1937, 1938 & 1939 series 40 also fits 1940 series 40 and 50. If it is the correct length for your car, I think it should be correct for your car. 2 1 Link to comment Share on other sites More sharing options...
Buick35 Posted November 8, 2021 Share Posted November 8, 2021 Looks like the one on my 35 40 series. Link to comment Share on other sites More sharing options...
kingrudy Posted November 9, 2021 Author Share Posted November 9, 2021 30" long, so I'm sure that it's correct for the 248, but I wasn't sure if they changed the design on the face of it. Link to comment Share on other sites More sharing options...
neil morse Posted November 9, 2021 Share Posted November 9, 2021 It may fit on your '40 248, but I'm pretty sure it's from an earlier year. Here's what the one on my '41 looks like. Link to comment Share on other sites More sharing options...
2carb40 Posted November 9, 2021 Share Posted November 9, 2021 (edited) 1941 was the first year for the spark plug cover with the flat surface. 40 and back had the curved face, but I believe the correct one for our cars went from '36-'40 and for both Specials and '40 Supers. The flat faced covers fit '41 up& finished out the straight 8 application with only lengths different between large 320" and small (248"&263") If feeble old memory serves!? I'm not that familiar with pre-'36 as I can't get my Buicks done that don't have extensive wood to repair/,Replace and Cudos to those who can and do. PS I've never actually measured them, but I've seen early ones and they look wider across the curved surface. Edited November 9, 2021 by 2carb40 (see edit history) 2 1 Link to comment Share on other sites More sharing options...
Victor W Posted November 9, 2021 Share Posted November 9, 2021 Yup my '40 Special has a curved face one that I believe to be original. 1 Link to comment Share on other sites More sharing options...
MCHinson Posted November 9, 2021 Share Posted November 9, 2021 7 hours ago, neil morse said: It may fit on your '40 248, but I'm pretty sure it's from an earlier year. Here's what the one on my '41 looks like. No, The parts manual indicates the one that is used for 1936, 1937, 1938 & 1939 series 40 was also used on 1940 series 40 and 50. That is the correct design for his 1940 Buick 50 Series. 2 2 Link to comment Share on other sites More sharing options...
neil morse Posted November 9, 2021 Share Posted November 9, 2021 Okay, thanks for the corrections. I mistakenly assumed that '40 and '41 would be the same. 1 Link to comment Share on other sites More sharing options...
kingrudy Posted November 10, 2021 Author Share Posted November 10, 2021 I purchased this cover because the previous owner chromed the valve cover and spark plug cover and I wish to get back to something that looks appropriate. Link to comment Share on other sites More sharing options...
EmTee Posted November 10, 2021 Share Posted November 10, 2021 On 11/8/2021 at 11:15 PM, kingrudy said: 30" long, so I'm sure that it's correct for the 248, I had the cover off my '38 Century yesterday, so I confirmed the 320 cover is about 33 inches long. 1 1 Link to comment Share on other sites More sharing options...
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