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obd1 p75 and p28 difference?

Old 02-14-2007, 04:17 PM
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Default obd1 p75 and p28 difference?

whats the difference besides vtec , when chipped are they basicly the same? is a p06 basicly a p75 with a differnt map loaded?
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Old 02-14-2007, 04:24 PM
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Default Re: obd1 p75 and p28 difference?

SOHC won't have the IABs.

You can add support and juke things around with the rom editors out there though, so a P28 would take care of your needs on a B-series.
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Old 02-14-2007, 05:01 PM
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Default Re: obd1 p75 and p28 difference?

LS motors dont have IABs right?
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Old 02-15-2007, 04:22 AM
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Default Re: obd1 p75 and p28 difference?

Originally Posted by WTF
LS motors dont have IABs right?
gsr motors do
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Old 02-15-2007, 12:10 PM
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Default Re: obd1 p75 and p28 difference?

What about a knock board?
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Old 02-15-2007, 02:22 PM
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Default Re: obd1 p75 and p28 difference?

Originally Posted by slo_crx1
What about a knock board?
only DOHC VTEC motors... PR3, P30, P61, P72, P13...
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Old 02-15-2007, 06:25 PM
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Default Re: obd1 p75 and p28 difference?

would an f22 vtec crome bin (no IAB or knock sensor) from a p72 work on a p28?
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Old 02-15-2007, 08:05 PM
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Default Re: obd1 p75 and p28 difference?

P72 and P28 are the same.... (i know they arent, but they are) if it works on a P72 is gonna work on a P28...
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Old 02-15-2007, 09:04 PM
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Default Re: obd1 p75 and p28 difference?

Originally Posted by turbohf
only DOHC VTEC motors... PR3, P30, P61, P72, P13...
That's what I meant...for p72. I've never peeked inside a p72 personally (just p30's and pr3's for dohc ecu's), p28's and similar ones yes.
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Old 02-15-2007, 09:20 PM
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Default Re: obd1 p75 and p28 difference?

Originally Posted by turbohf
P72 and P28 are the same.... (i know they arent, but they are) if it works on a P72 is gonna work on a P28...
sweet. thanks!
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