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#1
Cat Converters?? Do we need them
BigD
Posted on: 2015/2/27 9:07
Hi, im wondering what the laws are in NSW with regards to Cat converters on datsuns? Are all the guys with CA18,s & 4AGE engines etc running cats on there exhausts?
What about a A series with twins running premium fuel?  
#2
Re: Cat Converters?? Do we need them
72datto
Posted on: 2015/2/27 12:55
The only time u don't need a cat is when it didn't come out with one like early model vehicles but if u modify it by putting a different engine in it which came out with a cat then it is required to get it past engineering and pass a emissions test as well...
#3
Re: Cat Converters?? Do we need them
BigD
Posted on: 2015/3/2 5:26
ok so all A series motors dont need cat converters? even if its turbo or efi? only original motors that came with Cats need them fitted.
#4
Re: Cat Converters?? Do we need them
ddgonzal
Posted on: 2015/3/2 5:45
NCP national code says that equivalent replacement engines only need to comply with ADRs for the car. ADR 37 didn't start until 1981? so doesn't apply to B110. Further, a replacement A12 doesn't need to comply with ADR 37 even it is a newer engine.
Performance engine swaps are different. So if upgrading to an A14, the ADR of the engine year needs to be met. If upgrading to a CA18DE and the S13 required cats, then you need cats.
#5
Re: Cat Converters?? Do we need them
BigD
Posted on: 2015/3/6 2:47
Thanks for that, my 1200 is older that 1981 but my A14 is from a Sunny and im not sure of the age. ill have to look into it a little more.
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