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Old 12-21-2018, 07:27 AM
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Jeff Hamlin Jeff Hamlin is offline
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Wink CHECKING HIS LIST

Cleaning up the OHC part and casting number list and thought I would post it for input.
To the best of my knowledge all numbers are correct. This covers both Factory and Aftermarket parts.
IF however you see any discrepancies PLEASE let me know so I can make corrections as needed.
Also add in any numbers they you know are correct and not on this list.

CHEERS.

PAGE 1.
Camshafts; Casting#
9782012 ’66-‘67 (E) 1BC. ENGINE CODE; ZF, ZG, ZK, ZM, ZN & ZS.
(DURATION @ ADV; 228. OVERLAP; 14. LSA; 107. LOBE LIFT; .267 VALVE LIFT AS INSTALLED .401)

9782218 ’66-‘67 4BC. ENGINE CODE; ZD, ZR.
(DURATION @ ADV; 244 OVERLAP; 26. LSA 109. LOBE LIFT; .292 VALVE LIFT AS INSTALLED; .438)

9792538 ‘66-‘67 (E-D) 4BC

9790826 ‘68 (C) 1BC. GM# 546670, 546671 Gr# 0.519. ENGINE CODE; ZK, ZN.
(DURATION @ ADV; 228. OVERLAP; 14. LSA; 107. LOBE LIFT; .267 VALVE LIFT AS INSTALLED .401)

9792539 ‘68-‘69 (E) 4BC. ENGINE CODE; 1968 ZD, ZE. 1969 ZE, ZL.
(DURATION @ ADV; 244 OVERLAP; 26. LSA 109. LOBE LIFT; .292 VALVE LIFT AS INSTALLED; .438)

9796327 ‘69 (H) 4BC. w/MT. GM# 546673. ENGINE CODE; ZD, ZH.
(DURATION @ ADV; 260 OVERLAP; 42. LSA 109. LOBE LIFT; .292 VALVE LIFT AS INSTALLED; .438)
--------------------------------------------------------------------------------------------------------------------------------------
Camshaft Sprocket; 9796277 GM 69’ F/6 & T/6. 9796278 ‘69

Camshaft Seal; 9782209 GM

Lash Adjusters; 5232520/HL56 (w/Metering Valve) GM, ALL OHC 66-69’
213-1680 NAPPA / Perfect Circle
VL-60 NAPA

Rocker Arms; 9782017 GM, All 66-69’

Valve Springs; 9779008 GM 66’-’67 all 4BC.

Overhaul Gasket Set; FS8196PT-2 FELPRO FULL SET.

Head Gasket; HS8196PT-2 FELPRO HEAD SET.

Cam Housing Gasket; VS-29699 VITOR-REINZ. (Disc) 27027 BEST GASKETS.

PAGE 2.
Timing Belts;
(AMA Specs; 98 Teeth. 1.032 - .954 Width. .500 Pitch.)
( length 48”) MEASURED 49” (+-)
9782217 GM / UNIROYAL (OEM)
222-11 SEALED POWER
TB-011 DYNAGEAR & WOLVERINE
B-011 MELLING
BO 11 CLOYES
LB11 TRW
R 011 REPUBLIC
TB11 CLEVITE

Cylinder Heads- Casting #
9782005 66’ 1BC. 9782229 66’ 4BC

(METERING VALVE SIZE; .078 /.080) USE 5/64 BIT TO CK DIA;

9778692 67’ 1BC. 9778693 67’ 4BC

9791194 68’ 1BC. 9791195 68’ 4BC

9795456 69’ 1BC. 9795457 69’ 4BC

ARP HEAD STUDS; (REPLACEMENT FOR STOCK OE BOLTS)
SHORT STUD, # AR 4.750.
LONG STUD, # AR 6.120
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  #2  
Old 12-26-2018, 05:31 PM
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Default Pg 3.

Valves;

9786805 (Ex) GM ‘66 4BC.

9786806 (Ex) GM ’66-‘67 4BC.
(.001 Oversized) (Head Dia 1.60, Stem Length 4.985, Stem Dia .341)

9785030 (Ex) GM ’66 4BC
(Head Dia 1.60, Stem Length 4.985 Stem Dia .340)

S2581 TRW, A1659 MANLEY, V1781 SEALED POWER ‘66-‘67 4BC

9782472 (In) (546368) GM ‘66-‘67 4BC

V-2175 (Ex) McQuay –Norris ‘66-‘67- 1BC

V-2174N (In) McQuay –Norris ‘66-‘67- 1BC

9785025 (Ex) GM, V1779 SEALED POWER ’66-’67 1BC & ’68-’69 4BC
(Head Dia 1-19/32, Stem Length 4-53/64, Stem Dia .3406, Seat Angle 45 Degrees, 2 Grooves)

9792324 (Ex) GM ‘66?

V2634 (In) TRW ’68-‘69 1BC
(Head Dia 1-59/64, Stem Length 4-23/32, Stem Dia .341, Type Single Groove with Seal Groove, Seat Angle 29)

9791026 (546376) (In) GM ‘68-‘69 1BC (Seat Angle 30 Degree)

9791036 (Ex) GM ‘68-‘69 1BC

9787330 (In) GM ‘69 1BC (Seat Angle 45 Degree)

V2848 (In) TRW ’68-’69 1BC
(Head Dia 1.57/64, Stem Length 4.23/32, Stem Dia .3415, 2-Groove, Seat Angle 45 Degree)

S1703 MANLEY (Ex) ’68-’68 1BC
(Head Dia 1.600, Stem length 4.734, Stem Dia .341, Seat Angle 44 Degree)

S1704 MANLEY (In) ’68-’69 1BC
(Head Dia 1.920, Stem length 4.718, Stem Dia .3415, Seat Angle 29 Degree)

9794218 (In) GM ‘69 4BC (Seat Angle 30 Degree)

9796651 (In) GM ‘69 4BC (Seat angle 45 Degree)

V2295N (Ex) McQuay Norris ’69 4BC
(Head Dia 1.920, Valve Length 4.907, Stem Dia .3420, 2 Groove, Seat Angle 44 Degree) (4BC ZH & ZI 250 W/ 45 Degree seats)

9791041 (Ex) GM ‘68-‘69 4BC
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Not screaming like the passengers in his car.
  #3  
Old 01-16-2019, 06:23 AM
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Default BLOCK CASTING #s

Blocks-Casting#
9782, 9783, 9784. 66

9785, 9786, 9787, 9788, 9789. 67

9790, 9791, 9792, 9793. 68

9794, 9795, 9796, 9797, 9798. 69

A-Body Engine Codes;
ZK, ZF, ZS w/MT. ZN, ZG, ZM w/AT 66 1BC

ZD w/MT. ZE w/AT 66 4BC

ZK, ZS w/MT. ZN, ZM w/AT 67 1BC

ZD, ZR w/MT. ZE, ZL w/AT 67 4BC

ZK w/MT. ZN w/AT 68 1BC

ZD w/MT. ZE w/AT 68 4BC

ZC, ZK w/MT. ZF, ZN w/AT 69 1BC

ZD, ZH w/MT. ZE, ZL w/AT 69 4BC

F-Body Engine Codes;
ZK,ZF,ZS w/MT. ZN,ZG,ZM w/AT 67 1BC. ZD,ZR w/MT. ZE,ZL w/AT 67 4BC

ZK w/MT. ZN w/AT 68 1BC. ZD w/MT. ZE w/AT 68 4BC

ZC, ZK w/MT. ZF, ZN w/AT 69 1BC. ZD, ZH w/MT. ZE, ZL w/AT 69 4BC

FREEZE PLUG SIZES;
Cylinder head
Two Large: 1-61/64"
Four small: 15/16"

Block
One Large: 1-61/64"
Three small: 1-5/8"
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When I die, I want to go peacefully like my grandfather did, in his sleep.
Not screaming like the passengers in his car.
  #4  
Old 02-03-2019, 09:26 AM
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Default ROTATING ASSEMBLY

Crankshafts/ Casting#
9782279 66-67
9790154 68-69
3876802 69 250 4BC

Connecting Rod;
9782994 GM '66 (230 1 & 4 BC)
9788924 GM '67 T/6 & F/6
9793328 GM '68-'69 T/6 & F/6

Pistons;
9782329 GM 66 STANDARD BORE.
9783246 GM 66 .005 O.S.
9777723 GM 67 F/6 & T/6 (#is for Piston & Pin, Stock Bore)

Crank Seal;
9782183 GM

Crank Sprocket;
Small crank snout is a 230 (1-1/4)
Big crank snout is a 250 (1-5/16)
9793477 GM 68-69

Crankshaft Damper;
9783089 GM. 66-67 1BC
9782289 GM 66 4BC
9778553 GM 67 1BC
9778557 XR 66-67 1BC HB/DAMPER PULLEY
9778551 GM 67 4BC
9792484/9792478 GM 68-69 4BC
9792538 (250) 4BC
9791717 GM 68-69 1BC
9791723 GM 69 1BC
9792984 GM 68-69 4BC
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Last edited by Jeff Hamlin; 02-03-2019 at 09:47 AM.
  #5  
Old 02-03-2019, 01:29 PM
Bill's 68 Bill's 68 is offline
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Default

Great info to have. Thanks!
  #6  
Old 02-23-2019, 08:06 AM
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Default PG, 6. ENGINE CODES;

A-Body Engine Codes;
ZK, ZF, ZS w/MT. ZN, ZG, ZM w/AT 66 1BC
ZD w/MT. ZE w/AT 66 4BC

ZK, ZS w/MT. ZN, ZM w/AT 67 1BC
ZD, ZR w/MT. ZE, ZL w/AT 67 4BC

ZK w/MT. ZN w/AT 68 1BC
ZD w/MT. ZE w/AT 68 4BC

ZC, ZK w/MT. ZF, ZN w/AT 69 1BC
ZD, ZH w/MT. ZE, ZL w/AT 69 4BC

F-Body Engine Codes;
ZK,ZF,ZS w/MT. ZN,ZG,ZM w/AT 67 1BC.
ZD,ZR w/MT. ZE,ZL w/AT 67 4BC

ZK w/MT. ZN w/AT 68 1BC.
ZD w/MT. ZE w/AT 68 4BC

ZC, ZK w/MT. ZF, ZN w/AT 69 1BC.
ZD, ZH w/MT. ZE, ZL w/AT 69 4BC
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When I die, I want to go peacefully like my grandfather did, in his sleep.
Not screaming like the passengers in his car.
  #7  
Old 03-01-2019, 02:48 PM
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Default

Made this page with data I'll be adding to my Engine Codes page.

Do you know which block codes went with which engine?


66-69 6 Cyl Codes


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  #8  
Old 03-01-2019, 08:48 PM
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Default

WOW I just realized I double posted the Block Codes.
Sorry about that.
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Not screaming like the passengers in his car.
  #9  
Old 03-01-2019, 08:53 PM
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John,
If your referring to CASTING number IIRC I don't think it mattered as the short blocks were the same year to year 1BC and 4BC.
Once a block was pulled and a designation was assigned it would get "Stamped/Coded" and built from there.
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When I die, I want to go peacefully like my grandfather did, in his sleep.
Not screaming like the passengers in his car.
  #10  
Old 03-10-2019, 05:35 PM
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Default #7

Manifolds;
9794231(In) 9782252(Ex) 66-'69 1BC.
9783266(In) 9782280(Ex) 9782615(Ex) 66 4BC.
9784231(In) 9782252(Ex) 67 1BC (Intake Sup# 9782098 & 9791787)
9787541(In) 9786239 & 9786240(Ex) 67 4BC.
9794231(In) 9782252(Ex) 68 1BC. (Intake sup# 9782098 & 9791787).
9791909(In) 9790443(Ex) 68 4BC.
9794231(In) 9797689(Ex) 69 1BC.
(Intake sup# 9782098 & 9791787) (Exhaust sup#9794106).
9794232(In) 9790443(Ex) 69 4BC.
9790137 (Ex) 69 4BC.

Exhaust Manifold Heat Control Thermostat (SPRING)
9782260 GM 66-68 TEMPEST / 67-68 FIREBIRD 1BC
9782617 GM 66-68 TEMPEST / 67-68 FIREBIRD 4BC
IDLE SPEED CONTROL SOLIENOID: 1114420 GM 68-69 ALL.
Throttle return check; 7026093 GM. 66-67. 4BC W/AT & W.O. AC.

Thermal Coil; (choke)
9783047 66-67 1BC
9792129 68 1BC
7036190 66 4BC MT
7036191 66 4BC AT [191 STAMP]
7037090 67 4BC MT
7037091 67 4BC AT
7029264 68 4BC MT
7029778 68 4BC AT
7029090 69 4BC MT
7029091 69 4BC AT
9779331 66-68 ?

Choke; 7036109 GM ? Choke Lever; (ROD) 7031231 GM/DELCO 66. 4BC
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When I die, I want to go peacefully like my grandfather did, in his sleep.
Not screaming like the passengers in his car.
  #11  
Old 06-21-2019, 07:29 PM
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Exhaust Manifold Heat Control Thermostat (SPRING)
9782260 GM 66-68 TEMPEST / 67-68 FIREBIRD 1BC
9782617 GM 66-68 TEMPEST / 67-68 FIREBIRD 4BC

IDLE SPEED CONTROL SOLENOID: 1114420 GM 68-69 ALL.
Throttle return check; 7026093 GM. 66-67. 4BC W/AT & W.O. AC.

Thermal Coil; (choke)
9783047 66-67 1BC
9792129 68 1BC
7036190 66 4BC MT
7036191 66 4BC AT [191 STAMP]
7037090 67 4BC MT
7037091 67 4BC AT
7029264 68 4BC MT
7029778 68 4BC AT
7029090 69 4BC MT
7029091 69 4BC AT
9779331 66-68 ?

Choke; 7036109 GM ? Choke Lever; (ROD) 7031231 GM/DELCO 66. 4BC
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When I die, I want to go peacefully like my grandfather did, in his sleep.
Not screaming like the passengers in his car.
  #12  
Old 07-17-2019, 05:34 AM
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Default

Before I forget let me correct my mistake above;
The 4BC '68 Thermal Coil listed above should be 7029624 not 9264.

Thx Bill for catching that!
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When I die, I want to go peacefully like my grandfather did, in his sleep.
Not screaming like the passengers in his car.
  #13  
Old 07-17-2019, 05:37 AM
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Default ACCESSORY HOUSING

Since I just finished bringing one back to life here are some related part numbers.

Sprocket shaft Bearing; Torrington J-108 / B1012
Sprocket shaft Seal; Chicago rawhide CRI-6310 [.625X.937X.18] /
Federal Mogul 343105

Oil Pressure Sensor Switches;
S320Z BWD-ADVANCE AUTO w/light.
S769 BWD-ADVANCE AUTO W/GAUGE.
OP6636 ECHLIN-NAPA w/Gauge.
PS157 STANDARD MOTOR PRODUCTS W/GAUGE.
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When I die, I want to go peacefully like my grandfather did, in his sleep.
Not screaming like the passengers in his car.
  #14  
Old 09-10-2019, 06:27 AM
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Default CARBURETORS

Carburetors; A-BODY;

7026260 AT. 7026261 MT. 66 4BC.
7041314 AT. (7041315) MT. 66 4BC
7026168 AT. 7026167 MT. 66 1BC W/O A.I.R.
7036168 AT. 7036167 MT. 66 1BC A.I.R.
7027260 AT. 7027261 MT. 67 4BC W/O/ A.IR. (EARLY)
7037260 AT. 7037261 MT. 67 4BC A.I.R. (EARLY).
7027268 AT. 7027269 MT. 67 4BC W/O A.I.R. (LATE).
7037268 AT. 7037269 MT. 67 4BC A.I.R. (LATE).
7027186 AT. 7027167 MT. 67 1BC W/O A.I.R.
7037168 AT. 7037167 MT. 67 1BC A.I.R.
7028260 AT. 7028261 MT. 68 4BC (TEMPEST & FIREBIRD).
7028168 AT. 68 1BC.
7028067 MT. 68 1BC W/AC.
7028065 MT. 68 1BC (EARLY STANDARD).
7028075 MT. 68 1BC (LATE STANDARD).
7029260 AT. 7029261 MT. 69 4BC (TEMPEST & FIREBIRD).
7029168 AT. 7029167 MT. 69 1BC W/AC.
7029166 AT. 7029165 MT. 69 1BC STANDARD.
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Not screaming like the passengers in his car.
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