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Hello I have 49 Super and it sounds like the same setup, the two bolts under the cross member are the worst,found that it is easier to drop the steering drag link , and as mentioned crank will need rotated to clear pan. Good idea to drop and clean it had a 41 Packard the the pan probably was never dropped since new , the screen on oil pump was collapsed and sucking unfiltered oil into the engine.

I have a 49 Super convertible and worked from the center out , making sure the rubber was under pressure but not collapsed. Certainly a lot of bolts in them,but car is nice and tight on the road very little “cowl shake “even on rough roads.You may also have to shim some of the mounts for door gaps and leveling the body. Good luck.

Hello again, I marked the timing mark on mine with white paint also, it is hard to find the mark is actually more of a slot about 1/16 th wide .As you mentioned get it to top dead center and you may be able to see it . They were originally marked from the factory but that was 1949 , amazed you still had the cover on your car, most were discarded long ago,to the point most owners don’t know they existed.

Hello,there may be a metal cover over the flywheel window,most are missing.On the flywheel itself there is a marking that is supposed to be painted,get number 1 cylinder at top dead center and you should see the marking,believe it is 4 degrees from tdc it is like a grid mark on flywheel.If that doesn’t work pull off the lower flywheel cover and turn engine over until you can find .There are two marks on flywheel also used for setting valves timing mark and bottom dead center.

This is a picture of a 49 Buick firewall may be similar to yours . Hope it helps.

Hello ,I not sure how they would fit. I have seen stamp steel replacement aftermarket grills but they were similar to the originals , a complete left and right side and mounted to car like the die cast ones.

Hello again, I had a 39 Roadmaster the signals were only on the deck lid BUICK EIGHT emblem and control was mounted on the gear shift lever .Getting back to the add on signal would probably be the best option as it could be removed if wish to go back to the original.

Hello, never heard of anyone changing it over either, it’s part of the Buick that makes it a 49 Buick. You could put an add on type of turn signal but as previous post says you get used to it.It makes sense that they were on right side with column standard shift , left hand is always on the wheel, Buick are like that from 1939 .

Hello on my 49 if full to 3/4 full it would read ok after that it would bounce up to half full then down to empty,I did add a ground wire but didn’t help,also on sender the first repo didn’t work correctly,didn’t have high enough resistance, ohm rate was low. this was as car was driving, stopped it would still bounce.

Hello I have a 49 and it did the same thing, apparently the arm in the sender wasn’t contacting the small wire windings due to wear . I replaced the sender, fortunately it has a access plate so tank didn’t have to be dropped.

Hello, I have a 49 Super with Dynaflow with the same gearing,The Dynaflow is some want slow on acceration so it has the lowest gearing they made, rpms are high at highway speeds .At the time they were built 50 mph was top speed limit except on the Pennsylvania turnpike where it was 70 mph. Some people have equipped an overdrive in the older cars to cruise at higher speeds, or as you mention replace the differential,If you can replace it with the whole carrier, it will be a bolt in operation that way , A shop manual will help the 1948 49 manual covers rear axle repair quite well . I had to replace the differential in mine with a used one as it was bad .

Hello if it is the correct engine it should have hydraulic lifters,the 1948 49 shop manual shows how to adjust.They have you set the lash on 8 sets of lifters, then rotate the crankshaft 180 and set the other eight as flywheel is at correct location.

Hello again, I believe the interior moldings and dash were unbuffed lacquer. I reduced the amount of gloss when refinishing the dash on my 49 .Being a convertible, it matches body color.

Yes 49 s are a year of there own and probably the best looking of all postwar Buick’s Good luck on your project.

From Buick Master Parts book paint code 1 is Carlsbad black,trim no 70 gray heather Bedford cord I think all of the closed cars were the two tone interior moldings but I don’t have the color codes for them.