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chipping a p72

Old 08-21-2005, 12:25 PM
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Default chipping a p72

i just chipped a p28 for a guy with an ls/vtec, he wanted me to get rid of the knock sensor code, so i disabled it for him. he gave me in return a stock virgin p72 gsr ecu + boot. i've heard of people chipping these, but never attempted it myself. i'd like to use it, since it has the knock board built in, i thought hey it'd be pretty nice to try and implement a knock sensor into my engine. is there any different process to chipping a p72? i see it has the same slots for the eprom and 74hc373 chip, along with the jumper and cs1/cs2. however, this one doesnt have a resistor slot where r72 (i think...) usually goes, right under j1. does it not need a resistor here to regulate voltage?
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Old 08-21-2005, 02:18 PM
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Default Re: chipping a p72

No resistor needed on the P72/P75 ECUs

Chip the same way you would a P28
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Old 08-21-2005, 02:38 PM
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Default Re: chipping a p72

Originally Posted by xenocron
Chip the same way you would a P28
sweet, thats what i was hoping. can anybody tell me where the best place to get at29's is? local electronics store stopped carrying them, is there anywhere i can buy them in bulk for less than $5-6 ea?
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Old 08-21-2005, 05:10 PM
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Default Re: chipping a p72

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Old 08-22-2005, 12:01 PM
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Default Re: chipping a p72

Originally Posted by 2highpsi
Originally Posted by xenocron
Chip the same way you would a P28
sweet, thats what i was hoping. can anybody tell me where the best place to get at29's is? local electronics store stopped carrying them, is there anywhere i can buy them in bulk for less than $5-6 ea?
How many do you need? PM me...
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