engine model year
05-04-2008, 11:15 AM
#3
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Join Date: Feb 2005
Location: Kissimmee FL.
Posts: 1,579
no, only GSL-SE 1st gens came with a 13b. the 12a still came in all the other models.
you can tell if you look at the rotor housings. the older ones, 79-80 will have a square petruding out from the top. the others 81-85 will have a H shape in the same spot.
you can tell if you look at the rotor housings. the older ones, 79-80 will have a square petruding out from the top. the others 81-85 will have a H shape in the same spot.
05-06-2008, 01:07 PM
#6
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Join Date: May 2002
Location: California
Posts: 22,465
also a couple dumb things ive noticed.
79-80: has the square top rotor housings, also a couple of extra ribs in the casting
80 california only: has an egr valve on the top of the center iron
81 has the H top rotor housings
82 the heater hose nipple on the rear iron goes from a screw in to a pressed in fitting (actually sometime in 81), also gets the shorter oil filter pedestal
83-85: gets the "beehive" oil cooler, heater hose fitting becomes a "T"
79-80: has the square top rotor housings, also a couple of extra ribs in the casting
80 california only: has an egr valve on the top of the center iron
81 has the H top rotor housings
82 the heater hose nipple on the rear iron goes from a screw in to a pressed in fitting (actually sometime in 81), also gets the shorter oil filter pedestal
83-85: gets the "beehive" oil cooler, heater hose fitting becomes a "T"
05-13-2008, 11:52 AM
#7
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Join Date: Nov 2002
Location: Davis
Posts: 217
And Mike knows his nipples! 
Originally Posted by j9fd3s' post='899950' date='May 6 2008, 11:07 AM
also a couple dumb things ive noticed.
79-80: has the square top rotor housings, also a couple of extra ribs in the casting
80 california only: has an egr valve on the top of the center iron
81 has the H top rotor housings
82 the heater hose nipple on the rear iron goes from a screw in to a pressed in fitting (actually sometime in 81), also gets the shorter oil filter pedestal
83-85: gets the "beehive" oil cooler, heater hose fitting becomes a "T"
79-80: has the square top rotor housings, also a couple of extra ribs in the casting
80 california only: has an egr valve on the top of the center iron
81 has the H top rotor housings
82 the heater hose nipple on the rear iron goes from a screw in to a pressed in fitting (actually sometime in 81), also gets the shorter oil filter pedestal
83-85: gets the "beehive" oil cooler, heater hose fitting becomes a "T"
05-13-2008, 11:56 AM
#8
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Thread Starter
Join Date: Apr 2005
Location: North Vernon, IN
Posts: 57
the engine I have has the beehive oil cooler with the T fitting so it must be atleast a 83? Are the engine transmission specific or can I just swap the flywheel to make it a 5speed verses the auto trans it had
05-13-2008, 02:14 PM
#9
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Join Date: May 2002
Location: California
Posts: 22,465
Originally Posted by nicholas_earl' post='900322' date='May 13 2008, 09:56 AM
the engine I have has the beehive oil cooler with the T fitting so it must be atleast a 83? Are the engine transmission specific or can I just swap the flywheel to make it a 5speed verses the auto trans it had
you can swap flywheels, but why? get a lighter one and it bolts right on. you need a pilot bearing and seal too
05-20-2008, 06:40 PM
#10
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Join Date: Oct 2005
Location: North America
Posts: 38
Originally Posted by j9fd3s' post='899950' date='May 6 2008, 11:07 AM
also a couple dumb things ive noticed.
79-80: has the square top rotor housings, also a couple of extra ribs in the casting
80 california only: has an egr valve on the top of the center iron
81 has the H top rotor housings
82 the heater hose nipple on the rear iron goes from a screw in to a pressed in fitting (actually sometime in 81), also gets the shorter oil filter pedestal
83-85: gets the "beehive" oil cooler, heater hose fitting becomes a "T"
79-80: has the square top rotor housings, also a couple of extra ribs in the casting
80 california only: has an egr valve on the top of the center iron
81 has the H top rotor housings
82 the heater hose nipple on the rear iron goes from a screw in to a pressed in fitting (actually sometime in 81), also gets the shorter oil filter pedestal
83-85: gets the "beehive" oil cooler, heater hose fitting becomes a "T"
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