1972 LS3 Exhaust Manifold Date Codes

opschief3537

Member
Oct 3, 2005
54
Maysville, NC, USA
Good Morning Bowtie SME's!

I was recently blessed to find an original 1972 Camaro SS 396 in PA. Yes she a little rough, but all original, minus the exhaust manifolds and air cleaner (imagine that...). With that, I am searching for date code correct exhaust manifolds (I have a WTB thread started in the Swap Meet Section); 3989310 & 3989343. The LS3 VIN is 157318, so from what I have determined she was built between December 1971 and January 1972. My question is, given the Dec-Jan build, what date code ranges would be correct for this restoration? Any assistance is greatly appreciated! Happy Holidays!
 

Ricks72Z28

Veteran Member
Lifetime Gold Member
Jan 1, 2005
1,638
I would start with what the build date of the engine block is stamped with…also Expand your search to different models …more than likely used the same manifolds
 

THNDER

Veteran Member
Lifetime Gold Member
Mar 18, 2000
1,783
O'fallon, Mo
20221214_212817.jpg
20221214_212919.jpg
 

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