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08-01-2005, 09:09 PM
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#1 |
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Senior Member
 
Join Date: Jan 2005
Location: Claremore, OK 74017
Posts: 2,640
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Engine and axle decoding
I have looked at FAQ and went to sites, but cannot make heads nor tails of what I have.
ENGINE markings passenger side front lip of block 10925WA on one engine (1968) 131161826 K02 12 CKL (1971 but think truck was originally 6 cyl) AXLE HA1026 W2 on top on the pasenger side of pumpkin - 70 Longbed
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68 Short Stepside C-10 69 SWB C-10 70 Flatbed C-20 70 LWB C-20 BB402 70 LWB C-10 CST 70 LWB C-10 CST 71 Short Stepside Cheyenne C-10 72 LWB C-10 72 Blazer 4x4 4spd 95 Jeep Cherokee 4x4 Last edited by RicksTrucks; 08-01-2005 at 09:19 PM. |
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08-01-2005, 09:13 PM
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#2 |
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Senior Member
Join Date: Aug 2003
Location: Conyers,Ga.
Posts: 7,288
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Code WA
If it's a 68 it could be a 307, but probably a 283.HA is a 373 single track if it's a 67-72.
Last edited by uncle; 08-01-2005 at 09:14 PM. |
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08-01-2005, 09:15 PM
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#3 |
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Senior Member
 
Join Date: Dec 1999
Location: Darrington, Washington
Posts: 3,963
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i think WA is a 283 in '67 and 307 in '68
HA 3.73's some one correct me if I am wrong. Last edited by Desert Rat; 08-01-2005 at 09:17 PM. |
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08-01-2005, 09:18 PM
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#4 |
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Senior Member
Join Date: Dec 1999
Location: Darrington, Washington
Posts: 3,963
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LOL beat me to it!
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08-01-2005, 09:21 PM
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#5 |
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Senior Member
Join Date: Jan 2005
Location: Claremore, OK 74017
Posts: 2,640
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Where, on the engine, that would should the actual year since you cannot count on just the truck's year?
And I know 3.73 is better than 4.10 or 4.11, but should a person find something closer to 3.07 to get better gas mileage?
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68 Short Stepside C-10 69 SWB C-10 70 Flatbed C-20 70 LWB C-20 BB402 70 LWB C-10 CST 70 LWB C-10 CST 71 Short Stepside Cheyenne C-10 72 LWB C-10 72 Blazer 4x4 4spd 95 Jeep Cherokee 4x4 |
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08-01-2005, 09:44 PM
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#6 |
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Cantankerous Geezer
Join Date: Aug 2002
Location: Bel Aire, KS
Posts: 6,264
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Go here for locations
http://www.mortec.com/location.htm
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Fred There is no such thing as too much cam...just not enough engine. 
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08-01-2005, 09:44 PM
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#7 |
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Senior Member
Join Date: Aug 2003
Location: Conyers,Ga.
Posts: 7,288
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Codes
On the intake or check on the back of the block for the block casting.
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