I was wondering what changes have to be done for a CRv motor into my 96 ls.Will my turbo kit fit?Are the heads the same?Do I need a crv ecuand harness?I can definitels use some help from the integra fans out there.

Lsr37

 

everthing will drop right in. I heard most people use the ls intake manifold for some reason(clearance, flow?)

 

size the b20 manifold is too big.... your gonna basically want to take your entire intake manifold and TB from the b18b and use those... the block is otherwise identical

no one could tell i swapped the engine (they didnt know honda engine codes)

 

Just use the B20 short block. Use your current LS head, ECU, tranny etc.

 

What about the ecu? Do i use my ecu that i have on thye car now or do i get the ecu that goes with the motor?For those who have the b20 setup how does it run. Is it stronger?How does it handle boost?
Thanks for the replies
LSR

 

Use your current ecu..it'll work like a charm.

I haven't gotten mine B20Z in yet, but I've heard there's a noticeable difference between it and the B18B....no replacement for displacement

 

sorry, dont know my b20 stuff yet. I am currently attempting the same thing with a b20 shortblock to replace my hydro'd LS. Whats the difference between the b20Z and other b20's???

 

The B20Z has 146 hp, where as USDM B20Bs have 126 hp. JDM B20Bs however have 146 hp. I think they all have 133 ft-lbs torque though...

 

so i f i were to replace my blown bottom end of my LS motor with the b20 it would be effectively loosing power?

 

If you replaced it with a USDM B20B, yes...unless you found some used B20Z/JDM B20B pistons for it...

 

When you order a B20 from a company that only deals with jap motors you are getting the B20 with 146hp right or wrong?

 

Does any body know a few good websites where i can order a B20Z motor?Is ther many places even out there who sell the B20Z motor?

 

please dont forget the the hp# for the different b20's are with the head that comes with the b20. the b18 head has a different cumbustion cup area. plus your using different cams and whatnot. if your gonna use a b20 block and one will do. just drop in some high comp pistons(unless your gonna boost) and you'll be fine.

 

What if I was planning to buy the B20Z motor and I swapped heads with my Ls,put an ITR intake manifold on along with a custom turbo kit that i have for my Ls.Do you think the internals to the B20 would hold up to a turbo?Or just by replacing the pistons and rods now i would save a big hadache from happening in the long run?

 

free bump

 

The B20 internals will hold up with moderate boost. I think 5-8 psi would be a safe level. There was a dude boosting 16 psi (and making over 300 whp I think) and his cylinder wall cracked....but that's a lot of boost and most likely some GOOD tuning...

If you don't plan to build, keep the boost low...you shouldn't have too many problems...