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Need help, B20 swap in my 98 integra ls

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Old 12-12-2018, 08:47 PM
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Default Need help, B20 swap in my 98 integra ls

So I'm doing a stock B20 high compression swap in my 98 integra (automatic) and removing my stock B18. Would the B20 work with my P75 ecu? Or will it create or become a problem for the B20 to run ? I don't plan on doing any upgrades to the engine ever. Just need a safe reliable running engine in my car .Please help, the right way to do this.
Old 12-12-2018, 10:38 PM
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Default Re: Need help, B20 swap in my 98 integra ls

I'm not an expert, but I'm pretty sure the answer is no. I got one (B20B w/ P8R head) installed into my 94 LS (also automatic). I didn't have to have any modifications done to the ECU and I've passed smog twice (in SoCal) since.
Old 12-12-2018, 10:54 PM
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Default Re: Need help, B20 swap in my 98 integra ls

You’re fine.
Old 12-13-2018, 12:00 AM
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Default Re: Need help, B20 swap in my 98 integra ls

Originally Posted by Mike457
I'm not an expert, but I'm pretty sure the answer is no. I got one (B20B w/ P8R head) installed into my 94 LS (also automatic). I didn't have to have any modifications done to the ECU and I've passed smog twice (in SoCal) since.
ok thanks for answering
Old 12-14-2018, 10:30 PM
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Default Re: Need help, B20 swap in my 98 integra ls

In my experience the P75 will run a high comp B20 just fine with no codes but it will be slower than a B18.
Old 12-16-2018, 06:03 PM
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Default Re: Need help, B20 swap in my 98 integra ls

b20z ran totally fine in my 1990 integra with stock ecu and it was much faster than the stock b18
Old 12-20-2018, 04:11 PM
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Default Re: Need help, B20 swap in my 98 integra ls

in an auto it does fine with a p75
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