i'm about to buy a b18c swap for my cx and i'm hoping to turbo it down the road. i can get a jdm one or i can get a usdm one for the same price. which one should i get? is having a little lower compression (usdm) to hopefully boost worth the 10 less hp while its not turboed? i'm just trying to plan ahead. thanks.

 

usdm.... for NY inspection purposes.... JDM doesnt have some emission control devices..it will just make it easier on you

 

JDM motors are all hype. I mean come on you aren't going to keep the internals stock so whats the point? Also, they really don't have "30K" on them.

 

If you are turboing ide say do LS but since you want a GSR it wont matter at all if you have jdm or usdm IMO.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by chatch152 &raquo;</TD></TR><TR><TD CLASS="quote">10 less hp</TD></TR></TABLE>
8 horsepower, actually.

Get whichever is cheaper.

If they are the same price, get whichever has lower mileage.

If you are going to build the internals, it doesn't matter anyway - you're back to "get whichever is cheaper."

 

the jdm has a higher final drive, besides that they are pretty identical

 

i was actually hoping not to get new internals when i turbo it so thats why i was wondering about the compression. i'm probably just digging my own grave trying to use stock internals but oh well. and i have looked into ls swaps but i'm not gonna turbo it for a while and i figure i could have fun with vtec in the mean time.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ek4b18c_r &raquo;</TD></TR><TR><TD CLASS="quote">the jdm has a higher final drive, besides that they are pretty identical</TD></TR></TABLE>
Which is a good point - I thought he was talking about the Integra SiR/GSR engine. You think he is talking about the Type-R engine.

So which is it?

 

I say USDM

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ekb18cCivic &raquo;</TD></TR><TR><TD CLASS="quote">usdm.... for NY inspection purposes.... JDM doesnt have some emission control devices..it will just make it easier on you</TD></TR></TABLE>

Only difference in smog stuff is the evap purge solenoid so pull the one off of your sohc and put it on. There is even a threaded spot on the intake manfiold where it normally goes. Get which ever one has the lower mileage. Also if you get the JDM one, you might get lucky like me and get the optional LSD tranny.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Targa250R &raquo;</TD></TR><TR><TD CLASS="quote">
Which is a good point - I thought he was talking about the Integra SiR/GSR engine. You think he is talking about the Type-R engine.

So which is it?</TD></TR></TABLE>

yea i'm talking about the siR/gsr engine.

 

Got a USDM one in my ej8 and i have no complaints!

 

get the one thats cleaner like better compression test numbers or leakdown

 

It doesnt really matter if you're gonna replace/build the internals but if you are worried about emmisions I would say that the USDM will be much easier to work with....

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 99blackcivicSi &raquo;</TD></TR><TR><TD CLASS="quote">I say USDM </TD></TR></TABLE>

Same here.

 

I say USDM

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 1hotcivicSi &raquo;</TD></TR><TR><TD CLASS="quote">If you are turboing ide say do LS but since you want a GSR it wont matter at all if you have jdm or usdm IMO. </TD></TR></TABLE>

Agreed....

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b cruz &raquo;</TD></TR><TR><TD CLASS="quote">

Only difference in smog stuff is the evap purge solenoid so pull the one off of your sohc and put it on. There is even a threaded spot on the intake manfiold where it normally goes. Get which ever one has the lower mileage. Also if you get the JDM one, you might get lucky like me and get the optional LSD tranny.</TD></TR></TABLE>

amen...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ek4b18c_r &raquo;</TD></TR><TR><TD CLASS="quote">the jdm has a higher final drive, besides that they are pretty identical</TD></TR></TABLE>

No it does NOT.

The only JDM B series tranny with the higher FD is the 98-up spec TYPE-R, not the GS-R/SiR-G he's talking about.

 

BTW:

Unless money is a critical issue, I say get the GS-R over an LS any day.

You boost both, and the GS-R will destroy the LS - period.

That old myth about VTEC not working well with turbo is just dumb. the VTEC head flows so much better it's not even funny. Turbo needs more flow, etc. etc...

The only way I'd go LS is if all I could afford was the LS, the turbo set-up, and tuning.

 

i thought he was talking about the type r not gs-r

 

my choice would be JDM since its the same price.

 

Get the Jdm Its like what someone else said a little more horse, I belive a little more torque. And the FD is a little better. It might even have a bigger intake. If you really want to boost it just boost less is the same diffrence higher compression boost less, lower compression boost more. What is boosting actually doing raising the compression without changing the internals.

 

im gunna jump in here... F JDM's.. if you plan on boosting down the road, get a legit USDM, and add a couple more lbs of boost.. it'll make up for it easy.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by n_23_s &raquo;</TD></TR><TR><TD CLASS="quote">Get the Jdm Its like what someone else said a little more horse, I belive a little more torque. And the FD is a little better. It might even have a bigger intake. If you really want to boost it just boost less is the same diffrence higher compression boost less, lower compression boost more. What is boosting actually doing raising the compression without changing the internals.</TD></TR></TABLE>

This is a terrible comment.... THe Jdm motor does pulls bigger #'s b/c of higher compression. THe final drive is the same, the "intake" (guessing throttle body & intake manifold) are the same. I would personally go with the JDM motor, although it really makes no difference. Just boost it and hit the tracks and show us some time slips