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Exhaust Manifold ID #2809891 08/17/20 07:34 PM 08/17/20 07:34 PM
Joined: Jan 2003 Posts: 741 Citrus Heights, CA 6 69_Swinger OP super stock
69_Swinger OP super stock 6 Joined: Jan 2003 Posts: 741 Citrus Heights, CA	I bought this manifold a long time ago. I'm pretty sure it is for a big block A-body, but the part number doesn't show up in any reference materials I can find. Is it a factory replacement part? The part number is 2846729,casting date 2 5 71 Last edited by 69_Swinger; 08/17/20 08:40 PM. 67 Valiant /6 2-door (Father/Daughter project)

Re: Exhaust Manifold ID [Re: 69_Swinger] #2810015 08/18/20 01:06 AM 08/18/20 01:06 AM
Joined: Jan 2003 Posts: 17,516 Las Vegas, NV 6bblgt I Live Here
6bblgt I Live Here Joined: Jan 2003 Posts: 17,516 Las Vegas, NV	2946729 = 1968-'69 LH A-body 383HP not sure about a '71 casting date - got a better pic of the date?

Re: Exhaust Manifold ID [Re: 6bblgt] #2810091 08/18/20 09:42 AM 08/18/20 09:42 AM
Joined: Jan 2003 Posts: 43,544 Round Lake Beach, Illinoisy Rhinodart Rhinotruck
Rhinodart Rhinotruck Joined: Jan 2003 Posts: 43,544 Round Lake Beach, Illinoisy	I have had several 71 casting date big block A-Body manifolds, there was a bunch cast up on that date for replacements because of cracking in a couple of area and they had run out of replacement manifolds. The funny thing about science is that if you change one miniscule parameter you change the entire outcome to the way you want it. JB Rhinehart, Realist A-Body's RULE!

Re: Exhaust Manifold ID [Re: 6bblgt] #2810114 08/18/20 10:24 AM 08/18/20 10:24 AM
Joined: Jan 2003 Posts: 741 Citrus Heights, CA 6 69_Swinger OP super stock
69_Swinger OP super stock 6 Joined: Jan 2003 Posts: 741 Citrus Heights, CA	Thanks guys! Here is a closer picture of the date. Looks like i misread the PN the first time. Last edited by 69_Swinger; 08/18/20 10:25 AM. 67 Valiant /6 2-door (Father/Daughter project)

Re: Exhaust Manifold ID [Re: 69_Swinger] #2810224 08/18/20 03:10 PM 08/18/20 03:10 PM
Joined: Jan 2003 Posts: 17,516 Las Vegas, NV 6bblgt I Live Here
6bblgt I Live Here Joined: Jan 2003 Posts: 17,516 Las Vegas, NV	maybe some big block DEMONS were closer to production than thought ???

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