COBRA / WEDGE STEEL BELLHOUSING /SCATTERSHIELD IDENTIFICATION

1st Official Post

    COBRA WEDGE STEEL 6-BOLT BELLHOUSING, SCATTERSHIELD C5DA-6392-A IDENTIFICATION

    Over the years I have seen many discussions about how to tell if a 6-bolt Cobra Wedge bellhousing is original or reproduction. Well, here's the way you can tell immediately.

    Look at the part number inside the bellhousing. If there are no dashes between the letters/numbers, it's a reproduction. Authentic pieces will have dashes. Looking at the outside, the mounting holes in the reproduction are usually but not always drilled slightly off center and the casting voids are different. see photos. The reproduction is on the left in both photos. I have many examples if anybody is interested.

    With the exception of a few, most of the ones I've seen for sale on Ebay have been reproductions. I contacted the sellers and told them but they sold them as authentic anyway. The content cannot be displayed because you do not have authorisation to view this content.

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    Edited 4 times, last by guntrucker (March 6, 2021 at 5:28 PM).

    • Official Post

    It is sad that some people, even when given the proper information, put profit over integrity.

    -Fred-

    65 Koupe early San Jose Phoenician Yellow 4 speed
    66 GT Koupe Dearborn Blue 4 speed
    66 KGT San Jose fastback pony interior Silver Frost 4 speed
    64 Falcon sedan delivery 289 4 speed
    65 Ranchero 289 4 speed
    66 Corvette roadster 427/425 4 speed

    Do you have any idea what material the reproductions were made of? Originals were not cast iron. Originals were made in SAE 1030 steel.

    Ford wise there were several "COBRA" versions for Cobras (five bolt engines), Sunbeam Tigers marked "TIGER", six bolt 289 engines marked "COBRA", 427 Cobras marked "COBRA", a five bolt 260/289 "WEDGE" marked one for Cyclone's own markets, and a two piece "WEDGE M/T" marked assembly Mickey Thompson offered for five bolt 260/289 engines.

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    Dan

    Edited 2 times, last by Dan Case (February 21, 2021 at 8:45 PM).

    The repros were supposedly made of cast steel. Here's another example of a reproduction vs an original. The reproduction is on the left. I understand that originals were cast of 4135 chrome moly steel. I believe 1030 is mild steel.

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    By the way, the bellhousings made by R.C. Industries out of Medina, Ohio were made of some tough stuff called Manganese-Moly.

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    Edited once, last by guntrucker (October 7, 2021 at 2:41 AM).

    Here's the 6-bolt, 2-pc design from Wedge. It has the same part number with the dashes as an OEM Cobra bellhousing, C5DA-6392-A.

    4135 chrome moly steel also known as Chrome Moly (aka chromoly) (so named for 2 key elements of its composition, chromium and molybdenum).

    The “35” at the end of the grade number designates that it has approximately 0.35% carbon by weight. The added chromium and molybdenum help to give the steel different properties from its mild steel counterpart, AISI 1030, even though they have the same percentage of carbon.

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    Edited 2 times, last by guntrucker (October 7, 2021 at 2:41 AM).

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