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im starting to do an rb25/30 motor, and i have somes questons on the heads, coz i have an series 2 whole motor and just a series 1 head for the rb30 im doing, but i wanna use the loom and VCT off the series 2. (so wanna keep the series 2 motor a pretty much complete motor and head)

QUESTONS

1....... i wanna use the loom off the series 2 on the other motor/head, will it work on the series 1 head???

2........and i have to use the series 2 varible cam timing stuff will that work???

3.......... With new cams i've heard not sure tho the series 1 and 2 have different cams if so would i use series 1 cams cause its a series 1 head OR series 2 cause im using the loom and varible cam timing stuff for it???

4.... SO REALY IS THERE MUCH DIFFERENCE IN THE HEADS, VCT AND LOOMS???? ((( i already know about the ignitor modul in the series 1 loom and not in the series 2 )))

i dont know of any, the ecus are interchanageable other than slight map data change

the powerfc is direct plug in unit for both car models with no physical wire or code changes

a known difference i can think is s1 afm is 4 wires and s2 afm is 3 wires

the changes for this are done in the engine looom wiring and not the wiring loom at the socket side

that is, the s1 ecu doesnt handle the afm ground differently to the s2 ecu

another one i can think of is next to the TPS the s1 has two plugs, one is disconnected always

on the s2 i think both are connected. again i think those changes are done on the lcoal loom and dont have anything to do with the ecu side

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