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| matts85vet | does the 165 computer need a different knock sensor? | ||
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Guru
 
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i upgraded the ecm to a 165 in my '85. i think i may be getting some false knock counts. i still have the '85 knock sensor in there. is the '89 ks less sensitive? if you have upgraded to the 165 ecm, do you use the later knock sensor?
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Posted on: 2011/11/4 3:23
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85 coupe, 383, TPIS Miniram, auto 700R4, 3.75 gears, afr 180 eliminator heads 58cc, 12:1 compression ratio, comp cams 280XFI hydraulic roller cam, 1.65 roller rockers, 52mm throttle body, c5 calipers, hedman elite longtube headers, pypes dual exhaust w/x- |
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| Woodstock | Re: does the 165 computer need a different knock sensor? | ||
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Senior Guru
 
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84-86 part# 10456287
87-89 part# 10456288 Actually you should be fine, since 86 also uses the 7165 ECM! I burned a couple of chips for 86 using the later 88 and 89 MAF bins, thus far no problems with knock retard. I know for sure, the 90-91 sensor is extremely sensitive!!! I do get 8-10° spark knock but never heard a thing to really confirm this data. I just learned to live with it in my 91. Don't want to give up on my low end torque.  |
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Posted on: 2011/11/4 14:51
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91 convertible |
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