Casting #462606 153 Tooth Chevy (2 types)
General Motors Casting Number 462606 Clutch Housing
The Chevy "606" bellhousing is a 153 tooth (10.5") aluminum bell with a 4-5/8" center hole. It has
no provision for a z-bar stud. There are two styles of the "606".
One version is unique to the GM A&G body cars of the 1978-87 era with Chevrolet engines.
The other version is similar to the 3840383 and in fact has the #383 on the inside.
462606 462606 A&G Body
The exterior of the two clutch housings are identical, except for the transmission mounting face,
where the Fork Ball Stud is lowered 1/2".
Front View Front View A&G Body
The Clutch Fork Stud is 1/2" lower on the 78-88 A & G body bell housing and has 606 molded into
the stud boss. The other version has the stud in the "normal" position and 383 molded into the stud
NOTE: The G body version can only be used with the part # 462607 or 14007356 clutch release fork.
Ball Stud Boss A&G Body Ball Stud Boss
This picture shows the clutch fork ball stud locations, which are the only differences between the
two bells. The bell housing on the right has the lowered ball stud position and is for G Bodies.
The Clutch housing on the left is a replacement for a 3840383 or 3858403 bell.
0.683 HOUSING, Engine clutch
78-80 A (305) W/M.T. (Chevy Parts Books)
79 ALL (267) W/M.T. (Chevy Parts Books)
78-79 ALL (200) W/M.T. (Chevy Parts Books)
80-81 A (229) W/M.T. (Chevy Parts Books)
80 A (229) W/M.T. (Pontiac Parts Books)
78-79 A (305) W/M.T. (Olds Parts Books)
Note: The 200, 229, 267 and 305 cubic inch engines are Chevy engines this housing will not bolt up to B.O.P. engines.
Most parts that I describe and picture have identification on or with them, others I can identify from other sources and deduction (educated guess).
Factory correct applications are your responsibility. GM made part and part # changes with no rhyme but a reason (no production interruptions at any cost).
Applications are for replacement parts that were available at the time of parts book printing, and when possible model specific assembly manuals.
My observations come from the parts I have in my collection or other reliable sources your parts may differ.
If Factory correctness is your goal, do more research, join car clubs,
forums and buy an assembly manual if one is available for your Project Car (you wont be sorry).
This is a fun and interesting part of the hobby!
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