36Limited Posted November 7, 2011 Share Posted November 7, 2011 (edited) I am in the process of assembling my 1936 Buick 90. I have installed oil pan, Head, Bell housing, transmission. Engine has been installed. My problem is I have 4 different bolt for the remainder of the assembly. On the head of the 1st is "DX", second "H", Various sizes with "B 2" and "1" If any one can spare a few minutes to check bolts on the fan you will probably need a mirror and other areas to see if you recognize the bolts it would help me greatly. Also check the bolt for mounting fenders and horns. Front fender to body. Hood latching bolts on body. Front stabilizer bar bolts. I know I should have put them in marked containers. Thanks Edited November 7, 2011 by 36Limited addition to post (see edit history) Link to comment Share on other sites More sharing options...
Mark Shaw Posted November 8, 2011 Share Posted November 8, 2011 I cannot respond to the letter markings, but the numbers probably are grade marks. See the chart here:Hex Head Bolt Markings Link to comment Share on other sites More sharing options...
Grandpa Posted November 8, 2011 Share Posted November 8, 2011 Grade marks on bolt heads was not used in 1936. Some restorers remove the marks from replacement bolts during a restoration.Grandpa 1 Link to comment Share on other sites More sharing options...
eric_b_1937 Posted November 8, 2011 Share Posted November 8, 2011 Good Question. I have seen various B-2 Bolts on my 1937 Buick and they look original to the car. I don't know what the marking means and mine might have been placed in the wrong locations on reassembly. Link to comment Share on other sites More sharing options...
Grandpa Posted November 9, 2011 Share Posted November 9, 2011 A suggestion: The letters on the bolt heads indicate the manufacturer of the bolt. Grandpa Link to comment Share on other sites More sharing options...
JoelsBuicks Posted November 11, 2011 Share Posted November 11, 2011 On my '36 90, my fan has HC on the bolt heads. B2 is on the hood latch as well as the horns. On my '36 80, the fan and horn has B2 and the hood latch is HC. I try to check the fender bolts tomorrow.Joel 1 Link to comment Share on other sites More sharing options...
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