MAF Wiring/Loom issue
Discussion
I'm after a little advice. I was trying to fit my OTRCAI just now, but it appears the MAF lives in the intake beside the air filter box. Now I tried to relocate it but it seems to be wired into a loom with a plug on the N/S of the rad. Is there an easy way to free it so that it can be connected to the front of the throttle body? All advice most welcome! Monaro VXR LS2 btw.
selym said:
I'm after a little advice. I was trying to fit my OTRCAI just now, but it appears the MAF lives in the intake beside the air filter box. Now I tried to relocate it but it seems to be wired into a loom with a plug on the N/S of the rad. Is there an easy way to free it so that it can be connected to the front of the throttle body? All advice most welcome! Monaro VXR LS2 btw.
Go mafless!(You'll need a re-tune though.)
Many years ago I removed the stock air box and filter on my CV8. I replaced it with a VCM induction kit from Monkfish. The air filter on this set up is located behind the headlight.
When I took the car out for its fist run I was amazed at the difference in sound from the standard exhaust. I was always a bit sceptical about these kits, but the amount of air the engine was sucking in to make that sound was as clear as day.
I suspect your unit will be a bit better with a direct ram air effect. Happy days......
John
When I took the car out for its fist run I was amazed at the difference in sound from the standard exhaust. I was always a bit sceptical about these kits, but the amount of air the engine was sucking in to make that sound was as clear as day.
I suspect your unit will be a bit better with a direct ram air effect. Happy days......
John
MyM8V8 said:
selym said:
Nope, just fit and forget!
You cant do that? You have to fail the maf in the tune. I'm surprised you aren't getting MILS up?Jader1973 said:
I think he has fitted the MAF between the OTR and the engine intake. Not something I’ve seen done before. I suppose it makes it easy to go back to stock if needed.
The MAF is indeed just relocated between the filter and the throttle body. That was where the faff' in the job was; relocating the harness for the MAF.Mud_ said:
It's not an ideal location for a MAF (should ideally have a few pipe diameters of plain straight pipe either side to smooth and distribute the flow), but if it works then who's to argue?
My only barometer is that it's not thrown any codes. Whether or not it's 'working' is another matter, and only mapping will ascertain that. It does feel a lot more responsive to throttle movement.L2VXR said:
My duspeed otr came with both options of with or without maf and the loom kit to move the maf so if your struggling to find one maybe drop them a email
Cheers. The XAIR can be used MAF less too. The instructions show how to move the harness, but unfortunately the lengths of cabling make it difficult.selym said:
My only barometer is that it's not thrown any codes. Whether or not it's 'working' is another matter, and only mapping will ascertain that. It does feel a lot more responsive to throttle movement.
I ran the same configuration for a time - removing the MAF will make it more responsive again 
)
Mud_ said:
It's not an ideal location for a MAF (should ideally have a few pipe diameters of plain straight pipe either side to smooth and distribute the flow), but if it works then who's to argue?
Ok, I'm starting to think the MAF position might be an issue. I am experiencing a bit of surge/judder on WOT at lower revs...around 2000 rpm. It feels a little like very subtle kangarooing. I've been doing a bit of googling and the usual suspects come up:Leads and plugs - misfire
OTRCAI and MAF - position of MAF by throttle body.
One other thing is the crankcase breather pipe which leaves the OTRCAI and goes into the head. Could the fact that this isn't sealed into the filter housing be an issue, either this issue on a potential for the future?
Cheers.
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