crx lsvtec with pr3 ecu

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Old Jul 31, 2004 | 07:05 AM
  #1  
ironchef25's Avatar
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Default crx lsvtec with pr3 ecu

i know ill be able to use it.. but im wondering. what are the disadvantage and advatage of using it..im getting a a built block and what im planning on doing is just slapping that baby on.. im still planning onth using the p28 but as for now maybe for around 3 months drive around using e pr3(dont have extra cash to obd0-obd1 covn). will that cause any problems ??? any links is appreciated..
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Old Jul 31, 2004 | 08:17 AM
  #2  
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Default Re: crx lsvtec with pr3 ecu (ironchef25)

cause problems
like>?????

I ran my ls/vtec build for about 3 months with a pr3 nothing wrong a swap is a swap as longer as u got a vtec dohc program u should be coo

I ran my pr3 with a mugen chip

now I have the jumper and p28 hondata
so let's see how that works
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Old Jul 31, 2004 | 08:28 AM
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Default Re: crx lsvtec with pr3 ecu (krazie1)

oh.. so it will be ok then. right? cause i was wondering. pr3 is for b16 block.. and the cpu is used to detecting the 1.6 litter. will the pr3 be enought to run on b18 block cause the block is 1.8 litter. what i mean is that the pr3 is sending an x amount of fuel for the correct 1.6 litter engine. now if put a bigger 1.8 litter there.. will the ecu respond to the change. or is it still spitting an x amount fuel thats intended for 1.6..

problems i was talking about is like. check engine light on, running lean, bog issues, stuff like that,.

(oh by the way.. my pr3 is stock)
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Old Jul 31, 2004 | 11:22 AM
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well if you actually think about it the b16a needs more fuel then the ls.....but running the computer will be fine just need to mount a knock sensor on the ls block or you will get a code for that my friend was runnin his ls/vtec 4dr. with itr pistons on a stock pr3 fine.
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Old Jul 31, 2004 | 11:47 AM
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it will work fine....
if it all it were to get lean...the o2 sensors can compensate for the extra fuel needed and adjust the fuel as necessary (but it won't run lean so don't worry).
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Old Jul 31, 2004 | 06:27 PM
  #6  
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Default Re: (bambam)

so i can keep can i keep my car obd0? also if i do go with the swap do i need to rewire anything?
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