CRV AWD B20/VTEC Stock engine turbo upgrade to 400whp. What direction to go with?

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Old Dec 5, 2019 | 11:40 AM
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Rogue964's Avatar
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Default CRV AWD B20/VTEC Stock engine turbo upgrade to 400whp. What direction to go with?

I just bought a 2020 Explorer ST that I daily drive and wanna play with my 99 CRV Manual 4WD. What I am looking for is something that is fun to drive on the streets, reliable, and something that spools up fast (sub-3500rpm?) and something I don't have to rev 8000+ rpm everytime I wanna get my jollys off... Ideally, a super fat mid-range usable powerband and 300-400whp on 93 octane / and or E85.

What I have so far:
- B20 shortblock (stock rods & pistons)
- ARP Rod Bolts & Head Studs
- B20vtec Conv Kit
- P72 GS-R Cyl Head

I have done a little browsing over the last two nights at turbos. I was suggested to look at the Precision 5558 Gen2? Anyone have any experience with this turbo in a similar setup? Would there be a better turbo you'd suggest for my expectations? -- Thanks!
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Old Dec 5, 2019 | 12:03 PM
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Default re: CRV AWD B20/VTEC Stock engine turbo upgrade to 400whp. What direction to go with?

Look into the Garrett T3/T4 50 trim as a potential turbo candidate.

May want to consider upgrading the rods to an H beam since you're going to be making most of your torque down low.

Don't forget the added weight of your vehicle as well as the 4WD/AWD is actually going to make the turbo spool even faster down low, since there's more load on the engine/exhaust pressure trying to move the beast.
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Old Dec 5, 2019 | 12:10 PM
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Default re: CRV AWD B20/VTEC Stock engine turbo upgrade to 400whp. What direction to go with?

Originally Posted by Chance EG
Look into the Garrett T3/T4 50 trim as a potential turbo candidate.

May want to consider upgrading the rods to an H beam since you're going to be making most of your torque down low.

Don't forget the added weight of your vehicle as well as the 4WD/AWD is actually going to make the turbo spool even faster down low, since there's more load on the engine/exhaust pressure trying to move the beast.
Thanks!

Hotside preference? 48,63?? 82 seems like it would be more high rpm powerband?
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Old Dec 5, 2019 | 02:36 PM
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Chance EG's Avatar
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Default Re: CRV turbo upgrade suggestions

Originally Posted by Rogue964
Thanks!

Hotside preference? 48,63?? 82 seems like it would be more high rpm powerband?
Stay with .63

.48 will be way too small for your 2.0L, especially if you fit a VTEC head which flows better.

.82 on the other end of the spectrum would be too large to be optimal for this build, and for the turbo you have in mind, and for the intent you have for the car.
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Old Dec 6, 2019 | 02:06 PM
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Default Re: CRV turbo upgrade suggestions

Originally Posted by Chance EG
Stay with .63

.48 will be way too small for your 2.0L, especially if you fit a VTEC head which flows better.

.82 on the other end of the spectrum would be too large to be optimal for this build, and for the turbo you have in mind, and for the intent you have for the car.
Depending upon exhaust wheel and profile, of course.
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Old Dec 7, 2019 | 12:16 AM
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Chance EG's Avatar
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Default Re: CRV turbo upgrade suggestions

Originally Posted by TheShodan
Depending upon exhaust wheel and profile, of course.
Of course. I was assuming we were talking about one of the aforementioned turbos.
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