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Crankshafts
Crankshafts
General Interchange
Year Car / Transmission I #
'61 std trans 29B
auto trns 29A
'62-63 std trans 37B
auto trams 37A
'64 Jetstar 88, std trans 289B
auto trans 280A
others, std trans 37B
auto trans 37A
'65-67 Jetstar 88, std trans 280B
auto trans 280A
others, std trans 337B
auto trans 337A
'69-71 8-350 427
8-455 429
Toronado Interchange
Year Car / Transmission I #
'66-67 8-425 337A
'68-71 8-455 429
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F-85 Interchange
Year Car / Transmission I #
'61-63 std trans 187
auto trans 190
'64 6 cyl 275
8 cyl, std trans 280B
auto trans 280A
'65 V-6-225 275
8-330, std trans 280B
auto trans 280A
8-400 (442), std trans 337B
auto trans 337A
'65-67 6-250 343
8-330, std trans 280B
auto trans 280A
8-400, std trans 337B
auto trans 337A
'68-69 6-250 343
8-350 427
8-400 428
'70-71 6-250 343
8-350 427
8-455 429
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Interchange Number to Specific Crankshaft
I # Crankshaft Vehicle / Notes
29A 577438, Fg 577440 Note 1: B fits A by removing pilot bushing.
Note 2: A fits B by machining for pilot bushing.
A. Olds '61 AT.
Note: 37A fits by including main bearings.
29B B. Olds '61 std trans.
Note: 37B fits by including main bearings.
37A 582774, Fg 582746 Note 1: B fits A by removing pilot bearing.
Note 2: A fits B by maching for pilot bearing.
A. Olds '62-63 AT.
Olds '64 AT exc Jetstar 88.
Note: 29A fits by including main bearings.
37B B. Olds '62-63 std trans.
Olds '64 std trans exc Jetstar 88.
Note: 29B fits by including main bearings.
187 1193645, Fg # same Buick Special '61-63 8 cyl std trans.
Olds F-85 '61-63 std trans
Tempest '61-62 8 cyl std trans.
Note: 190 fits but check pilot brg hole & make
retainer for pilot brg if necessary.
190 1193645, Fg # same Buick Special '61-63 8 cyl AT.
Olds F-85 '61-63 AT.
Tempest '61-63 8 cyl AT.
Note: Fits 187. See note under 187.
275 (1) 992499 Jeep Buick Special '64-67 6 cyl.
(2) 1378354 Buick Jeep V-6 225 eng mdls CJ, DJ & Jeepster.
Fg 1357898 Olds F-85 '64-65 V-6 225.
280A 230330, Fg 381919 Note: B fits A.
& 388776 Note: It may be necessary to remove clutch
shaft pilot bushing or bearing.
A. Olds '64-67 Jetstar 88 AT.
Olds F-85 '64-67 8-330 AT.
280B B. Olds '64-67 Jetstar 88 std trans.
Olds F-85 '64-67 8-330 std trans.
337A 230331, Fg 384722 Note: B fits A, it may be necessary to remove
clutch shaft pilot bushing or brg.
A. Olds '65-67 AT exc Jetstar 88.
Olds F-85 '65-66 8-400 (442) AT.
Olds F-85 '67-68 8-400 AT.
Toronado '66-67.
337B B. Olds '65-67 std tans exc Jetstar 88.
Olds F-85 '65-66 8-400 (442) std trans.
Olds F-85 '67 8-400 std trans.
343
427 230905 Olds '68-71 8-350.
Olds F-85 '68-71 8-350.
428 230378 Olds F-85 '68-69 8-400.
429 230908 Olds '68-71 8-455.
Olds F-85 '70-71 8-455.
Toronado '68-71.
I guess this confirms that these cranks are fairly interchangable.
[ Thanks to Bill Culp for this information ]
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