13b Versions?
#5
Originally Posted by GarageBoy' date='Jun 3 2003, 12:27 PM
What is the difference between them? (or are you working on it j9fd3s?)
mike
#7
ok the abbrivations are
nm = newton meters its metric torque
i used the mazda # for each engine so thats the far left #
nf01 = 20b
n3a1 = fd
n390 = 13b cosmo
n370 = 89-91 t2
n318 = 86-88 t2
n350 = 89-91 na
n326 = 86-88 na
n304 = 83-85 13b 6 port
1757 = 74-82 carby 4 port
hmm it wont let me upload the spread sheet
mike
nm = newton meters its metric torque
i used the mazda # for each engine so thats the far left #
nf01 = 20b
n3a1 = fd
n390 = 13b cosmo
n370 = 89-91 t2
n318 = 86-88 t2
n350 = 89-91 na
n326 = 86-88 na
n304 = 83-85 13b 6 port
1757 = 74-82 carby 4 port
hmm it wont let me upload the spread sheet
mike
#9
I know a little about the older styles. '74-'75 had different housings which were sort of a go-between from '71-'73 to the later style and say 13B up near the threaded things that stick up for emissions devices/rat's nests. '76 had more modern housings which resemble pretty much any later housings untill the GSL-SE. Then there are the later ones from possibly '78-'82 with carbs that have either three bits of aluminum, or a complete shroud which requires a thin walled socket or NGK BR8EQ-14 plugs. These also have a single tube in the exhaust ports that can be cut away fairly easily when porting. ('74-'76 are a little more involved when porting)