T O P I C R E V I E W
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SSF 50
Member # 7219
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posted
its on a 89 mustang 5.0 5spd i thought a A9L was a 5spd computer what is a A9S computer
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modular
Member # 6599
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posted
It is an auto computer but will work perfect on the manual trans.
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street_illegal_stang
Member # 1554
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posted
I had a a9s cpu in my original owner 89 gt with 5spd and 112k miles..I Never changed the tranny. the a9l and a9s are pretty much the same.just slightly differnt emission program
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SSF 50
Member # 7219
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posted
so there isnt no differents
and what is the slightly differnt emission program
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street_illegal_stang
Member # 1554
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posted
yes, the're really not that different. the a9s cpu was exclusivly for California emissions 5.0h's.The a9l has more timing in the mid to wot range and does'nt reduce timing duing shifts from what I heard,but i may be wrong . There both very good tuning cpu.
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