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    Muncie and T-10 Specialist    Chev1.gif (526 bytes)
Huge inventory of new and used parts, let us know what you need !
Call  360-735-0753 or Toll Free 1-877-493-0753  or Email to  scott@garagemotorsports.com
Tired of buying them like this ? We sell quality remanufactured transmissions
Ugly, do not buy them like this..
"click" on any picture to see a larger, clearer view
Quality rebuilds! Quality inside and out!
Large assortment of Muncie and T-10 transmissions on the shelf ready to be shipped
We stock one of the largest inventories on the West Coast !
In shop rebuilds of all Muncie , T-10, AMC T-10 & Saginaw transmissions. All cases are cleaned to return them to their original appearance. They are inspected and repaired if neccessary.  Countershafts are pin fitted and thrusts redone as needed. All speed gears, inputs, counters and sliders are inspected and upgraded as needed.  The end result is a quality transmission that comes with a Full One Year warranty under normal driving conditions, that you will be proud to display and will enjoy using.  We can also rebuild your 3 Speed, 4 Speed and your 5 & 6 Speed Manual transmissions, Foreign & Domestic.  We are also a dealer for the complete  line of Tremec  TKO 500 & 600 - 5 speed overdrive Transmissions & the Tremec T-56 6 speed Transmissions.

For your convenience this site is set up to use Pay Pal for all purchases or if you prefer you can call us and place an order over the phone.   Call 360-735-0753   or   Toll Free 1-877-493-0753.  We accept :  Visa -  Mastercard -  Paypal - Money Orders - Checks & Cash 
Please contact us by email or phone if you are an international buyer, so we can give you the correct shipping cost for an item.  Transmissions shipped to Canada run about $210.00
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Complete Rebuilt Transmissions 
Muncie & Borg Warner T10 Transmissions
Description Cost
     
Muncie 325 Case 7/8" Wide or Close Ratio                                        $1,350 
Muncie 325 Case 1" Wide or Close Ratio - Late Model Syncros and Hubs
                                                                                                         
$1,350 or $1,000.00 Exchange
Muncie 010 M20 Wide Ratio                                                              $1,350.00 or $1,000.00 Exchange

Muncie 010  M21 Close Ratio $1,350.00 or $1,000.00
w/exchange
Muncie 010 M22 Close Ratio  - New Forward Gear Set

$1,700.00 Outright
Muncie 660 M20 Wide Ratio $1,350.00 or $1,000.00
w/exchange
Muncie 660 M21 Close Ratio $1,350.00 or $1,000.00 w/exchange
Muncie 660 M22 Close Ratio / Small Output - New Forward Gear Set

$1,700.00 Outright
Muncie 661 M20 Wide Ratio / Large Output $1,350.00 or $1,000.00 w/exchange
Muncie 661 M21 Close Ratio / Large Output $1,350.00 or $1,000.00 w/exchange
Muncie 661 M22 Close Ratio / Large Output - New Forward Gear Set

$1,950.00  Outright
1960-1962  Borg Warner  T10  4  Speed Full Size Fords Cars 10 x 28      
    
$1,350.00 
Outright
Call
1963-1965  Borg Warner  T10  4  Speed  Ford  Falcon 10 x 25

$1,350.00 
Outright
Call
Super T10   Borg Warner Wide Ratio   2.43 GM  Application  26 x 32      

$1,350.00 
Outright
Call 
Super T10   Borg Warner  Wide Ratio   2.64 GM  Application  Iron Case
     
$1,550.00 
Outright
Call
Super T10   Borg Warner   Wide Ratio    2.88     26 x 32  $1,550.00
Outright
Call
Super T10  Borg Warner   GM Application   3.42     26 x 32  $1,350.00
Outright 
Call
AMC Super T10  4 Speed   2.20   Close Ratio  10 X  28 $1,550.00
Outright
Call
If you have a like tranny core to exchange when you purchase another one, we pay up to $350.00 for Muncie and T10 transmissions cores, depending on the condition.  Must have a usable Case, mainshaft, Input & cluster gear for a full core refund  

   
Performance Upgrades  Auto Gear
 
Super Case Upgrade     7/8" or  1"  Pin  Auto Gear $310.00
Iron Bearing Midplate    Upgrade        Auto Gear   
                                             
$125.00
833 Hemi 4 Speed Gear Set Dodge Mopar  2.65 Gear Ratio & 18 Spline:  Includes:  Cluster, Input  and the 3  Speed Gears.  Will fit the 1966 - 1970 Hemis & 440's
1st Gear - 33 Tooth -  2nd Gear - 30 Tooth - 3rd Gear 26 Tooth - Cluster Gear Tooth Count: 27 24 20 17 16 - Input is a 21 Tooth 18 Spline


Call For Availability & Price
Brand New Transmissions    
     
Muncie M20 or M21 w/ Autogear Super Case - Tail  & Iron Mid Plate -  Brand New Top To Bottom  10/27 or 26/32 Spline Count     $1,900.00
Muncie M22  w/ Super Case & Iron Mid Plate - Brand New Top To Bottom - 10/27 or 26/32 Spline Count      $2,150.00
Tremec  TKO  500, 5 Speed Transmission      GM   Or   Ford $2,310.00     
Tremec   TKO 600, 5 Speed Transmission      GM    Or  Ford $2,310.00
Tremec  T-56  6 Speed  High Performance Transmission - Call For Availability or More Information On This Tranny $2,695.00     
Tremec  T-5                  Discontinuted and no longer available     
More T10 Rebuilt Transmissions
 
Early T10's -   All Ratios

       Call
Early Super T10's  -     All Ratios

       Call
Late  Super T10's   -    2.64 Ratio $1,350.00 or $1,000.00 w/exchange
Late  Super T10's   -    2.88 Ratio $1,350.00 or $1,000.00 w/exchange
Late  Super T10's -      2.88 Ratio - ALL New Gears $1,650.00 Outright
Transmission Labor    
     
Machine Counter Shaft Hole To Fit One Inch Pin  in a   325 or  704 Case $ 75.00   Each  
Machine The Case and Install Hat Bushing To Renew One Inch Pin Hole $150.00  Each  
Machine Cost Will Lower If You Have Multiple Repairs     -    Call For Pricing    
Rebuild Your Transmission -  Labor Cost  -  Plus  All Replacement Parts Cost
$500.00 Labor  
Repair Broken Ear - Labor Cost Is :   Whatever Time and Materials Are Needed To Do This Job T & M  
Crating - All Transmissions are crated up in a solid handmade wooden box for a $25.00 charge -  To ensure safe delivery from our place to yours. 
 
Core Cost - Exchange core cost of  up to $350.00.  Send your old core in the original shipping crate back to us and after an assessment of core value we will refund appropriate amount up to $350.00, depending on condition of core. The core must have a usable case, usable mainshaft, input and cluster to receive the full core refund.  If you have any questions, call for more information.
   
Warranty  PLEASE READ BEFORE INSTALLATION

Garage Motorsports warranty is 1 year from the date of purchase to the original purchaser. We take pride in the new and rebuilt units we sell and take every precaution to ensure that every unit we sell is trouble free.

Should there be a problem with a unit, Garagemotorsports will send a replacement transmission or repair the defective one, whichever we choose.

All units are shipped dry. Please refer to owner's manual or dealer specification for proper lube. Warranty is void if incorrect lube is used. If you have any questions, please call.  We recommend using 70-90 or 80-90 GL4 or GL5 lube for Muncie and T10 Transmissions.

Warranty on rebuilt units will be void if the unit is returned “burned up”. It is the customers' responsibility to be aware of leaks and get them taken care of before melt down occurs. Leaks are covered under warranty, burned up transmissions are not.

Rebuilt units with broken gears are covered under warranty if it looks as though they were defective in some way, or if the unit was assembled improperly. Units with broken gears due to abuse are not covered under warranty.

Warranty unit must be returned with prior approval and inspected before claim will be paid.   A 20% restock fee may be inposed on all retuned items.
.
Shipping charges are non refundable on special order transmissions.
.
 

 Just need PARTS ?     Click here for our  Parts Price List.
Need more information ??? 
Call Us  1-360-735-0753
Toll Free  1-877-493-0753
Or E-mail us  scott@garagemotorsports.com
We also buy Muncie, T-10, AMC T10 & some 3 speed OD transmissions, parts or whole.
If you have a broken tranny lying on your garage floor or if you have a pile of parts, we are interested.
Contact us and let us know what you have.
Whatever your manual transmission needs are, we can handle it  !


Exploded parts view Price List How to read serial and VIN numbers

 

 

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Price List

Muncie M20&M21   Item Description   Auto Gear Cost
If You Don't See The Part you are looking for, Just Ask !        
         
Part  # Chart  #       
         
18-410-001 6 7/8" pin Super Case     Auto Gear $310.00
18-410-002 6 1" pin Super Case         Auto Gear $310.00
18-410-022  54  Muncie Tailhousing, For 32 Spline Shaft   Auto Gear $219.00
18-410-021  54  Muncie Tailhousing, For 27 Spline Shaft  (Passenger side speedo)  $219.00
18-410-023  66  Muncie Side Cover Kit, 3/8" Internal Threads  Kit Includes: Side Cover, Pivot Pin, Interlock Scissors, Retaining Clip, Shift Shafts, 4 Bearings and 2 Shift Shaft Seals      Auto Gear $239.95
18-410-0231X
66
Muncie Side Cover Kit, 3/8" External Threads  Kit Includes: Side Cover, Pivot Pin, Interlock Scissors, Retaining Clip, Shift Shafts, 4 Bearings and 2 Shift Shaft Seals - Auto Gear $239.95
 
18-672-001 52 Muncie Iron Support Plate             Auto Gear $ 125.00
WT297-2A  15 Muncie Mainshaft  27 Spline       $179.50 
 
WT297-2G  15 Muncie Mainshaft  32 Spline  $189.95 
 
Muncie Brass & Bearing  Rebuild Kit    Muncie Brass & Bearing Kit  ( Includes The Following Items)  Gaskets, Front & Rear Bearings, (4)Syncro Rings, Shift Shaft Seals, Snap Rings, Roller Bearings, Slinger, Input Nut, Springs & Keys, Thrust Washers, Tailhousing Rear Oil Seal, Bushing & speedo seal $125.00 
Gear Kits
GK-M20 M20 Gear Kit   7/8"  C/Shaft,  10 Spline, Wide Ratio 2.56 1st Gear $475.00
GK-M20A M20 Gear Kit   1" C/Shaft,    10 Spline,  Wide Ratio 2.52 1st Gear $475.00
GK-M20B M20 Gear Kit   1"  C/Shaft,   26 Spline,  Wide Ratio 2.52 1st Gear $475.00
GK-M21 M21 Gear Kit   7/8"  C/Shaft,  10 Spline, Close Ratio 2.20 1st Gear $475.00
GK-M21A M21 Gear Kit    1"  C/Shaft,   10 Spline,  Close Ratio 2.20 1st Gear $475.00
GK-M21B M21 Gear Kit    1"  C/Shaft,   26 Spline,  Close Ratio 2.20 1st Gear $475.00
GK-M22    
WIDE RATIO
M22 Gear Kit To Convert a M21  (10 Spline Input, Wide )  THIS GEAR SET IS NOT AVAILABLE AT THIS TIME   N/A  
GK-M22A M22 Gear Kit To Convert a M21  (26 Spline Input, Close ) $575.00
Individual Gears
WT297-12A 24 M20 & M21 1st  Speed Gear   36 Tooth $80.95
WT297-21 16 M20 & M21 2nd Speed Gear   30 Tooth $89.95
WT297-11 14 M20 & M21 3rd  Speed Gear   27 Tooth $74.95
WT297-36 30 Muncie Main Shaft Reverse Gear  35 Tooth $78.75
WT297-36 30 Good Used Muncie Mainshaft Reverse Gear 35T
(   Call For Availability  )
$45.00
Inputs
AWT297-16 8 Muncie Input Shaft, 26T  10 Spline   Close $145.95
AWT297-16A  Muncie Input Shaft, 24T  10 Spline  Wide $159.95 
AWT297-16B  Muncie Input Shaft, 21T  10 Spline  Wide $149.95 
AWT297-16C  Muncie Input Shaft  21T  26 Spline  Wide $154.95 
AWT297-16D 8 Muncie Input Shaft  26T  26 Spline  Close $159.95
Cluster Gears
WT297-8 57 M20 Cluster Gear   R27-22-19-17  Small Pin  Close $155.00
WT297-8A 57 M20 Cluster Gear   R29-22-19-17  Small Pin  Wide $170.00
AWT297-8C  57  M21 Cluster Gear,  R25-22-19-17  Big Pin  Wide  $161.00 
AWT297-8D  57  M21 Cluster Gear,  R27-22-19-17  Big Pin  Close $163.00 
AWT297-8E            57 M22 Cluster Gear,  R27-22-19-17  M22 Close Ratio               $198.00 
 
More Muncie Parts         
WT304-55              Muncie 4 Speed Truck  SM465  Trans Gasket Set    $7.95 
 
WT250-55         Muncie 4 Speed Truck  SM420  Trans Gasket Set      $7.95 
 
WT297-3 64 Muncie Cluster Pin  7/8"  M20  $21.95
WT297-3A       64  Muncie Cluster Pin   1"    M21  $21.95
 
WT297-6  Muncie Front Bearing Retainer  $27.95 
 
3849937 & 3849938 Muncie Bearing Retainer Lock Tabs  (French Locks) $13.95 
 
WT297-K 94 M20-21-22  Syncro Key Spring Kit $7.95
WT297-14    12 Muncie Syncro Ring  Early, No Step  $11.00 
 
WT297-14A 12  Muncie Syncro Ring  Late, With Step $11.00 
 
18-103-001  98 Muncie 1st Gear Bushing  $39.95 
WT297-80A 80 M20 & M21   1-2 Syncro Assembly  Complete With Rings $94.95
WT297-80 80  M20 & M21   3-4 Syncro Assembly  Complete With Rings $94.95 
 
WT297-77 96 M20 & M21 & M22   Syncro Key - Sold As Singles  Each $2.75
SP297-50 Muncie  7/8"  Small Parts Kit $29.95
SP297-50A Muncie   1"    Small Parts Kit $29.95
N307LOE 5 Muncie Front Input Bearing - Standard $28.95
N1307L 5 Muncie Front Input Bearing - Heavy Duty $59.00
JV441419 85  Muncie Pocket Bearing With Cage  $11.95 
 
PR707A 3 Input Bearing Retaining Nut $8.95
AWT297-10A 38 Reverse Idler Gear $54.95
WT297-35 40 Reverse Idler Shaft    $25.95
6308-N 27 Muncie Rear Output Bearing   M20 - M21- M22  -  Standard $17.95
1308-N 27 Muncie Rear Output Bearing   M20 - M21- M22  -  Heavy Duty $41.95
WT297-62 34 Muncie Rear Bushing -  Large  32 Spline $8.95
WT266-62 34 Muncie Rear Bushing -  Small   27 Spine $7.95
15041 35 Rear Oil Seal -  Small -   27 Spline $4.95
18992 35 Rear Oil Seal -  Large  -  32 spline $4.95
18-598-006  59  Muncie Reverse Lever, Internal Threads  $45.00 
 
18-598-002-1X  59  Muncie Reverse Lever, External Threads  $47.00 
 
MM-1209 48 Muncie Gasket Set $6.95
T10-15 15 Muncie Slider - Torque Lock Style $38.95
WT297-23 67 Muncie Shift Forks    (Fits All Muncies) $32.00
WT297-23A  44 Muncie Reverse Shift Fork  $29.95 
 
OX112-558-0  62  Muncie Tapered Roll Pin  $3.95 
 
7410 72 Muncie Shift Shaft Seal $2.50
WT297-W Heavy Duty Input Nut Wrench   $44.95
3708144  105  Muncie Drive Speedo Gear, 8 T  1.18"  ID  1.84" OD  Passenger Side $31.95  
3708145  105  Muncie Drive Speedo Gear, 8 T  1.18"  ID  1.76" OD  Drivers Side $31.95  
3978758  105  Muncie Drive Speedo Gear, 8 T  1.41"  ID  1.84" OD
32 splined
$34.95   
3869910    Muncie Metal Clad Speedometer  Seal, .575 OD  $3.00 
3912195 109  Muncie   Counter Shaft  Spacer,  1"  $8.95
Muncie 22
Part # Chart # Description for Muncie 22 Cost
         
18-410-002 6 1"  Super Case Kit C/S      1966-1974 $310.00
18-672-001 28 M20 - M21 -  M22    Iron Support Plate $125.00
WT297-8E 8 M22    Cluster 27-22-19-17     HD Close Ratio $199.00
WT297-16F 8 M22    Input Shaft 26T 26 Spline Close $181.95
AWT297-16U 8 M22    Input Shaft 26T 10 Spline Close $181.95
WT297-3A 64 M22   1"    Cluster Pin $21.95
GK-M22 Gear Kit to Convert to M22 $675.00
WT297-23 67 Muncie Shift Fork    M20 - M21 - M22 $31.00
WT297-35 40 Muncie Reverse Idler Shaft  $21.95
WT297-12B 24 M22 1st Speed Gear   36  Tooth $132.95
WT297-21A 16 M22 2nd Speed Gear  30  Tooth $149.95
WT297-11A 14 M22 3rd Speed Gear   27  Tooth $137.25
WT297-10B 116 M22 Front Idler Gear  18  Tooth $77.10
SP835    Muncie Input Bearing Slinger  $4.95 
 
T10 Parts
Part # Chart  Descriptions for T-10 Cost
   #      
Specialty In House Part    AMC Super T-10 Speedo Drive Gear - Not Driven Gear $29.95 
 
1304-065-903 6 Super T-10 Case,  2nd Design,    Aluminium Call
1304-066-903 33 Super T10 Tail Housing, For Large 32 Spline Shaft Call
T89C-6A 1 T-10 & Super T10  Front Bearing Retainer With Seal Late Style $31.95
T10W-2 15 T-10 Mainshaft    32 Spline  21 3/4"  Long $191.00
T10W-2A           15  T-10 Mainshaft    27 Spline  21"  Long $203.95 
 
T10-15 T-10  Torque Lock Slider, Also Fits  Muncie M20, M31 & M22 $38.95
T10S-15 T-10  Slider,      * Super T10 Only * $45.00
6307-N 27 T-10  Standard  Input Bearing    (Input & Output Are The Same) $18.95
6307-N  27  T-10  Standard Output Bearing  (Input & Output Are The Same) $18.95 
 
1307L 27  T-10   Heavy Duty Input  &  OutPut Bearing  Are The Same $38.95 
35TM06    T-10  Output Bearing   ( Nash O/D ) $34.95 
 
T10-55 T-10  & Super T10  Paper Gasket Set $6.95
T85B-3 64 T-10 Counter Shaft Pin, Early,    7/8" Diameter      $22.95
T10W-3 64 T-10 Counter Shaft Pin,     1"  Diameter $21.95
T10-23 67 T-10 Shift Forks $31.00
T10U-16B 8 T-10 Input Shaft, 17 T      3.42 Ratio
T10W-16CH 8 T-10 Input Shaft, 21 T      2.43 Ratio
T10W-16G 8 T-10 Input Shaft, 20 T      2.64 Ratio
T10Y-16B 8 T-10 Input Shaft, 19 T      2.88 Ratio
T10W-46 30 T-10  Reverse Gear  39T,  32 Spline $72.50
12363 5 T-10  Front Bearing Retainer Seal $4.95
3709315    T-10  Interlocking Pin  $4.95 
 
6692012    T-10 1-2     Shift Cam  $51.95   
T10-122    T-10 3-4     Shift Cam $133.95   
T10W-14A T-10  1-4   Synchronizing Ring $12.00
AT10P-80 T-10  1-2  Synchro Assembly $95.75
1304090008    T-10  1-2   Syncro Hub  $48.95  
1304090007        T-10  3-4   Syncro Hub  $48.95   
T10-85A    T-10  Reverse Idler Bushing $8.95   
AT16-2.5 T-10  3-4    Synchro Assembly $95.90
T10-K T-10  Syncro Key/Spring Kit      Small Hump $7.95
T10-KS T-10  Syncro Key/Spring Kit      Big Hump $7.95
T10W-12 24 T-10  1st Gear   34 Tooth $119.00
T10H-12  24  T-10  1st Gear   36 Tooth $145.25 
 
T10U-12 24 T-10  1st Gear   30 Tooth $141.95
T10-31  16  T-10   2nd Gear , 32T  Early  GM       $123.95 
 
T10H-31 16 T-10   2nd Speed Gear      30T $145.00
         
T10S-31A 16 T-10   2nd Speed Gear      25T $116.95
         
T10U-11A 14 T-10   3rd Speed Gear       20T $149.95
         
T10X-11 14 T-10   3rd Speed Gear       21T $129.95
         
T10P-11  14  T-10   3rd Speed Gear       24 T    1st Design Super  $139.50 
 
         
T10H-11A 14 T-10   3rd Speed Gear       28T $139.00
         
T10J-11 14 T-10   3rd Speed Gear       29T $131.85
         
T10U-16B   T10 Input Shaft 17 Tooth   3.42  Call For Availability           $350.00  
         
T10W16-CH   T10 Input Shaft  21 Tooth   2.43  Call For Availability            $165.00   
         
T10W16-G    T10 Input Shaft  20 Tooth   2.64  Call For Availability $165.00   
         
T10Y16-B    T10 Input Shaft 19  Tooth   2.88  Call For Availability  $350.00   
         
AT10-34C T-10  Reverse  Gear  Bushed $78.25
         
SP10-50 T-10  Small Parts Kit       1957-1966 $36.00
         
SP10P-50 T-10  Small Parts Kit       1966-1973 $36.00
         
SP10W-50 T-10  Small Parts Kit       1974 - Later On $36.00
         
WT266-62 34 T-10  Tailhouse Bushing,   Common  27 Spline $7.95
         
WT297-62 34 Super  T-10  Tailhouse Bushing   32 Spline $8.95
         
35TM06 27 T-10  Output Bearing   (Nash O/D) $42.50
         
2655 35 T-10  Rear Seal,       Ford Small $4.95
         
15041 35 T-10  Rear Seal,       Common $3.95
         
18658 35 Super T-10  Rear Seal,     Large $6.95
         
TC1427 Super T-10  Reverse Idler Needle Bearing $5.98
         
TWA1427 Super T-10  Reverse Idler Thrust Washer $3.95
         
T10-35 T-10  Reverse Idler Shaft $36.50
         
6130 43 T-10  Shift Linkage Seal $1.95
         
AS111 T-10  Linkage O-Ring $1.00
Saginaw Tranny Parts         
Call Toll Free
1-877-493-0753
Saginaw 3 & 4 Speed Transmission Rebuild kit ( Kit includes front & rear main bearings, syncro rings, oil seal, rear bushing, O rings and shift shaft seals, gasket set, bearing retainer seal, small parts kit ( which includes needle bearings, various thrust washers, snap rings & more  (2)  key & spring kits    $99.95
 
 
Part #         
301-55 Saginaw   3 & 4 Speed Transmission Gasket Set $6.95 
 
 
  Saginaw   3 & 4 Speed  Seal Kit     ( Gaskets, Oil & Shifter Seals )  $17.95     
  Saginaw   3 & 4 Speed  Seal Kit     ( Gaskets, Oil , Shifter Seals & Bushing )  $24.00    
6207-N  Saginaw   3 & 4 Speed  Transmission Input Bearing      $18.95 
 
 
6306-N  Saginaw   3 & 4  Speed  Transmission Output Bearing  $16.95 
 
 
Saginaw  Shift Forks  ( New ) 3-4 in 4 speeds & R-1 & 2-3 in 3 speeds  Pair Of Forks $105.00  Call For Availability  
SP301-50  Saginaw   Small Parts Kit   -  3 & 4 Speed  $29.95 
 
 
  Saginaw   Mainshaft 3 & 4 Speed    ( Good Used  Only ) $35.00 
 
 
3741458  Saginaw  3 Speed Front Bearing Retainer   GM      Good Used $25.00 
 
 
AWT301-6  Saginaw Car Bearing Retainer  With Seal   4 5/8" Diameter $33.00 
 
 
AWT301-6A  Saginaw Truck Bearing Retainer With Seal  5 1/8" Diameter $35.00    
12363  Saginaw Front Seal   ( Bearing Retainer Seal )
 
$4.95 
 
 
7410       Saginaw 4 Speed Shift Shaft Seal    ( Metal Clad )       $2.50 
 
 
WT266-62 Saginaw Tailhousing Bushing 27 Spline $7.95     
WT301-83  Saginaw 1-4   Syncro Ring $11.00 
 
 
WT301-K            Saginaw Syncro Key/Spring Kit       $8.95       
WT301-3  Saginaw  Countershaft  Pin   3 & 4 Speeds  $21.95     
         
         

 

 

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Reading Serial and VIN Numbers

Muncie 4 speed serial numbers begin with the letter "P". The serial number is a date code. The code will tell you which particular year the transmission was built for.
Serial numbers from 1963 to 1966 included only the month and day. P0101 would indicate January 1st.
In 1967 and 1968 the serial number got a year designator and a letter designator for the month such as P8A01, meaning January 1st 1968.
If you have a Muncie dated with a December build date it was actually built the prior year. An example would be the date code P8T13. The T stands for December and 13 is the day. This is for a 1968 production car. This means the Muncie was assembled December 13, 1967 for the 1968 model year. To confirm this simply look at the VIN number. It will usually begin with a 18S101350 or a 28N12950.  The VIN number will usually be a low number.
1969 to 1974 Muncies got a ratio designator at the end of the serial number. An example would be P4D23B. This equates to April 23, 1974, M21 ratio.

Month Code Chart Ratio Code Chart
Month Letter Month Letter Ratio Letter
January A July K M20 A
February B August M M21 B
March C September P M22 C
April D October R
May E November S
June H December T back to top

 

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