V5 V4 Cam differences? LINK G4+ ECU
Hi All,
I have a Link G4+ WRX V5/V6 ECU and need some help. I own a UK spec Subaru Impreza GC8 V5 Turbo 2000 and am fitting a V7 STI block with V4 STI Heads into it. This block and head combination came out of a V4 Impreza where it was working great. I am using a V4 manifold but all the existing parts from my V5 including throttle body which I have retrofitted and is simply plug and play with the cars electronics. Now I have asked someone online about compatibility and have been told that the problem will be that the cam gear for timing underneath the oil filler has a different configuration on the V4 than the V5. I don’t quite understand this nor do I know if it’s true as the engine was working in a V4. Is there a difference in cam gear between the V4 and V5? If so how do I modify my previously professionally mapped G4 + ECU to recognise the difference in the cam gears whilst keeping the existing electrical setup of the V5? Many Thanks |
can't assist ECU wise but yes in general terms they are correct in terms of the cam gear / heads / cams being totally different on MY89 - MY98 cars
you also can't use 99> ph2 cam gear on earlier heads as the physical fitment is different suggest you talk to your mapper |
Originally Posted by stockcar
(Post 12127062)
can't assist ECU wise but yes in general terms they are correct in terms of the cam gear / heads / cams being totally different on MY89 - MY98 cars
you also can't use 99> ph2 cam gear on earlier heads as the physical fitment is different suggest you talk to your mapper |
ph1 / ph1.5 cars are all the same basic set-up, then ph2 99-00 cars and then another slight variance for the MY01> cars.......
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I think the Link G4+ should be flexible enough to make it work but you'd better ask on the linkecu support forum. The trigger type selection seems to suggests it works the same on version 1-6. Maybe the connector on the cam sensor itself is different but perhaps the sensor type is similar. Comparing the base maps for V3-V4 and V5-V6 there are some differences in trigger arming threshold tables. It's better to ask the experts about this. Maybe Enginetuner will be able to answer this as well.
https://cimg0.ibsrv.net/gimg/www.sco...d00b2c0eaa.jpg I use V8 JDM AVCS heads on my V5 G4+, for that I had to use the newage crank trigger wheel and then choose V7-V10 JDM trigger setting in the ecu (and some wiring changes for this of course). |
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