Proposed changes
February 16th, 2009, 10:30 PM
#1
Seasoned beater pilot.
Thread Starter
Join Date: Jan 2007
Location: Chicago
Posts: 5,468
Proposed changes
? 398625 '70-?? 455 2V AT. SX. No EGR. Iron.
To the best of my knowledge this is a 69 delta 88 2 barrel intake manifold. I've personally had 2 of these motors with that manifold and have verified with the block vin derivative .
I still have 1 in my garage if you need an ID code as well.
Just tell me where to find it.
The 69 delta motor in my possession also came with a T exhaust manifold 398708 on the passenger side, and an A manifold 384785 on the driver's side.
The A manifold is listed in the wiki as a 425 manifold.
Unfortunately, I don't remember if the same exhaust manifold combo was on the other one, and cannot confirm or deny the original posting.
To the best of my knowledge this is a 69 delta 88 2 barrel intake manifold. I've personally had 2 of these motors with that manifold and have verified with the block vin derivative .
I still have 1 in my garage if you need an ID code as well.
Just tell me where to find it.
The 69 delta motor in my possession also came with a T exhaust manifold 398708 on the passenger side, and an A manifold 384785 on the driver's side.
The A manifold is listed in the wiki as a 425 manifold.
Unfortunately, I don't remember if the same exhaust manifold combo was on the other one, and cannot confirm or deny the original posting.
February 17th, 2009, 04:04 AM
#2
Old(s) Fart
Join Date: Mar 2007
Location: Northern VA
Posts: 47,258
? 398625 '70-?? 455 2V AT. SX. No EGR. Iron.
To the best of my knowledge this is a 69 delta 88 2 barrel intake manifold. I've personally had 2 of these motors with that manifold and have verified with the block vin derivative .
I still have 1 in my garage if you need an ID code as well.
Just tell me where to find it.
The 69 delta motor in my possession also came with a T exhaust manifold 398708 on the passenger side, and an A manifold 384785 on the driver's side.
The A manifold is listed in the wiki as a 425 manifold.
Unfortunately, I don't remember if the same exhaust manifold combo was on the other one, and cannot confirm or deny the original posting.
To the best of my knowledge this is a 69 delta 88 2 barrel intake manifold. I've personally had 2 of these motors with that manifold and have verified with the block vin derivative .
I still have 1 in my garage if you need an ID code as well.
Just tell me where to find it.
The 69 delta motor in my possession also came with a T exhaust manifold 398708 on the passenger side, and an A manifold 384785 on the driver's side.
The A manifold is listed in the wiki as a 425 manifold.
Unfortunately, I don't remember if the same exhaust manifold combo was on the other one, and cannot confirm or deny the original posting.
September 19th, 2011, 09:23 PM
#4
Registered User
Join Date: Aug 2009
Location: St. Louis, Missouri
Posts: 969
Yes, OEM intake mainfolds with casting number 398625 were also used on 1970 Cutlass SX's (71 SX's had 4 bbl intake and carb). See pic of manifold taken off my car. 1970 2bbl intake manifold - SX.JPG 1970 intake manifold - 398625.JPG
This same casting number was also referenced by another SX owner on the SX455.com site.
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