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-   -   obd1 p75 and p28 difference? (https://www.homemadeturbo.com/engine-management-10/obd1-p75-p28-difference-73989/)

WTF 02-14-2007 04:17 PM

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?

Cray91 02-14-2007 04:24 PM

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.

WTF 02-14-2007 05:01 PM

Re: obd1 p75 and p28 difference?
 
LS motors dont have IABs right?

Guy-Fast 02-15-2007 04:22 AM

Re: obd1 p75 and p28 difference?
 

Originally Posted by WTF
LS motors dont have IABs right?

gsr motors do

Slo_crx1 02-15-2007 12:10 PM

Re: obd1 p75 and p28 difference?
 
What about a knock board?

turbohf 02-15-2007 02:22 PM

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...

bonestock94 02-15-2007 06:25 PM

Re: obd1 p75 and p28 difference?
 
would an f22 vtec crome bin (no IAB or knock sensor) from a p72 work on a p28?

turbohf 02-15-2007 08:05 PM

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...

Slo_crx1 02-15-2007 09:04 PM

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.

bonestock94 02-15-2007 09:20 PM

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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