H22A ENGINE and PULLEY QUESTION

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hey guys i saw p13 all over the block of my engine (molded in the block from the factory)
Does this mean the engine is obd1?

2nd question: THIS MIGHT BE A DUMB QUESTION :(
I have a obx underdrive crank pulley and alternator and power steering overdrive pulley set
are they able to work together or are they contradicting parts to use together?
how do you order belts to fit everything? ( the belts that came for the PS and ALT pulley is too big right)
or should i sell the crank or ps & alt pulley and keep the other??

i would love some expert advice :worthy: :worthy: :worthy:
 
hey man i'm not sure but all i know is that a p13 is what the lude runs as an ecu cause i have a p13 ecu in my car for my lude motor
 
i know p13 is obd1 for ecu but i also saw it on the engine block too ( a couple of times) so i was trying to get an expert advise on why its there...
Does it mean the engine is obd1 too???
 
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