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Hello again. Perhaps someone will be able to tell me how much vacuum is available at the dist. vacuum connection. According to my shop manual, from 0 vac. advance to full advance will give approx. 10 degrees of advance when you apply 10in. vac. My'39 (248) will only pull approx. 6 in. of vac...

This time I have a question regarding the ID of what I think to be a small block straight eight. Right now, this engine is in a salvage yard (probably for the last 40 years. The manifolds are missing, and plenty of rust. Pushing thru the weeds and branches, I found that the valve cover and...

I know many of us have researched this before, but I can not seem to find where a 248 engine with the number 4 4438740 fits in the roster of numbers. I have been told that it is a 1941, but I do not find that number in the identification tables. Any info is appreciated. Gary

I have just taken apart a valve rocker assembly, and after removing the oil restrictor screwed into the head, I noticed that the hole appeared smaller than the 1/16in. hole in my 248 engine. After cleaning, I measured the hole, and it is only .048 in. Considerably smaller than the .062 in my...

Good afternoon, Just wondering if any of you folks with a 248 engine have ever heard a noise that sounds much like loose valves, but actually turned out to be worn wrist pins? I have found people on Google who have had this problem, but none on a Buick 248. I may have a problem in this area, and...

Hello. As most of you know, in 1939 Buick used a roller bearing for the pilot bearing in the end of the crankshaft. I would like to know the diameter of the hole in the end of the crank where the pilot bearing goes. All '39s had the same bearing, so if anyone has '39 of any series apart, I would...

Hello everyone. I have a question regarding the flywheel housing for a '39 series40. One the face of the housing where the transmission bolts on, there are the 4 holes for the retaining bolts, and the large center opening for the transmission front shaft. So, that leaves us with one more hole...

Good morning all, I have had my '39 for eleven years now, and this is the first trans. trouble that I have had. The trans. was completely rebuilt about 15000 miles ago. Everything that went in was NOS, or new current make bearings. Now, after the car warms up, 6 to 8 miles, I am getting a lot of...

Hello. I have a Stromberg AAV-167 (Bendix #380225) carb. I need a starter switch for it. Several on Ebay, but I do not know which part number is correct. Any info will be appreciated. Gary

Hello All, I have a '39 special with the standard 248 cu.in engine. Could anyone tell me what the manifold vaccum should be? I am getting around 18 in. Thanks in advance. Gary

Does anyone know of a link to get to an area where I might be able to find a wiring for a '49 Buick special? I am mostly interested in under dash area, especially the headlight switch area. Thanks for any help. Gary Morse

Hi all, just wondering if any of you have had a problem with the 3 speed standard trans. as used in the '39 up thru 55 series 40. Even after rebuilding, in hot weather when the gear oil gets good and hot, the synchro on 3rd gear almost always clashes. Until it warms up it works OK. Using heavier...

Hello. I have just registered and am interested in pre-1950 Buick info, particularly 1939 Special (248 engine). I have a model 48 2 door sedan that is nearly completed. I have owned it for abour 6 years, and have been working on it while keeping it roadable as much as possible. The engine was...