Acura Integra All Integra Except ITR

CTR Swap Into GSR?

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Old Dec 9, 2007 | 10:16 AM
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Default CTR Swap Into GSR?

I currently have a B20/VTEC '94 LS, and just picked up a '95 GSR shell. My original plan was to part out the LS and swap the B20 into the GSR. I'm now thinking about trading my complete LS for a buddy's complete CTR swap [w/LSD trans and axles], then dropping it into the GSR.

It's probably never been done, at least I can't find any info on the subject. I know I'm going to hear the "B16s don't have enough torque to push a Teg" argument, and I agree, to a point. Aside from the torque output, the CTR and ITR are pretty close in performance.

I don't drag-race, so peak power isn't a big deal. I'm a canyon-carver, so a solid powerband and high revs are more my bag of treats.

I could go a few different ways with the engine build, as well:
-All-motor build, using the CTR block
-All-motor build, using another B20 block
-Jackson Racing S/C on the CTR longblock [version-1 8.5psi kit pulled off my buddy's ITR; was going to be on my B20/VTEC]

Any tips or suggestions? Simple-minded generalizations are welcome as well.
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Old Dec 9, 2007 | 09:39 PM
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if i'm not mistaken the ctr, gsr, & itr have the same block. the difference would be the internals. i have a b16b block that i'm trying to rebuild & i also drive an integra. as far as the argument in not enough torque, well honda motors don't have torque anyways. try it out, i'd like to see some results.
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Old Dec 9, 2007 | 10:05 PM
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if ur a canyon carver like i am also :]

id do a small mild build on that CTR swap and just upgrade my suspension more...

we all know that in a canyon run its all about fun and having a GREAT suspension setup. no matter how slow ur motor is, you can still take the turns fast as expletive with a great suspension/tire combo.
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Old Dec 9, 2007 | 10:44 PM
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Default Re: (JDM_CRX_PLEASE)

jrsc for what you want to do. plain and simple, its all about torque coming out of those corners.
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Old Dec 10, 2007 | 05:51 AM
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Thanks for the comments and input guys, it's appreciated. I'll keep you updated.
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Old Dec 10, 2007 | 09:23 AM
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Default Re: CTR Swap Into GSR? (DC4 Dave)

how do i get permission to instant message and to add my comments to polls cuz im a noobie?

email me at integrajdm82@yahoo.com thank you
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Old Dec 11, 2007 | 07:17 AM
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Default Re: CTR Swap Into GSR? (integrajdm82)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by integrajdm82 &raquo;</TD></TR><TR><TD CLASS="quote">how do i get permission to instant message and to add my comments to polls cuz im a noobie?

email me at integrajdm82@yahoo.com thank you </TD></TR></TABLE>

WTF? Wrong thread, buddy.

On a slightly-related note, I pick up the GSR shell and CTR swap on Saturday, and it'll be game on. I'll post pics.
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Old Dec 11, 2007 | 08:21 AM
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hell yeah i can't wait
hootie hoo
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Old Dec 11, 2007 | 04:55 PM
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Default Re: (dickdragon)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dickdragon &raquo;</TD></TR><TR><TD CLASS="quote">hell yeah i can't wait
hootie hoo</TD></TR></TABLE>Haha, glad to see someone else is as excited as I am to see this happen.
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Old Dec 11, 2007 | 05:34 PM
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actually that jdm b16 should be strong in your teg. A guy i know has a b16a in his and is pulls
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Old Dec 11, 2007 | 10:27 PM
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Default Re: (envision)

have you made a decision on what path your gonna take?
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Old Dec 12, 2007 | 06:28 AM
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Most likely road of travel is to run it as a stock CTR for the time being, and over the course of summer/fall timeframe, I'll build a strong 2-liter bottom-end to swap in.

I'm possibly going the individual-throttle route, so right now I'm torn between all-motor and supercharging.
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Old Dec 12, 2007 | 08:34 PM
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Default Re: CTR Swap Into GSR? (DC4 Dave)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dickdragon &raquo;</TD></TR><TR><TD CLASS="quote">if i'm not mistaken the ctr, gsr, & itr have the same block. the difference would be the internals. i have a b16b block that i'm trying to rebuild & i also drive an integra. as far as the argument in not enough torque, well honda motors don't have torque anyways. try it out, i'd like to see some results.</TD></TR></TABLE> DD u are mistaken. gsr itr same block and crank, different pistons. b16/b17 different deck hieght, no girdle different cranks and pistons(i.e. different blocks). i had a b16a in my teg after an lsv disaster it moved the car but not any better(or even as well as) the stock motor. as long as you have the short gears it'll go good. but b16's w/ls tranny; not fun.
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Old Dec 12, 2007 | 10:15 PM
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Default Re: CTR Swap Into GSR? (redline9k831)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by redline9k831 &raquo;</TD></TR><TR><TD CLASS="quote"> DD u are mistaken. gsr itr same block and crank, different pistons. b16/b17 different deck hieght, no girdle different cranks and pistons(i.e. different blocks). i had a b16a in my teg after an lsv disaster it moved the car but not any better(or even as well as) the stock motor. as long as you have the short gears it'll go good. but b16's w/ls tranny; not fun. </TD></TR></TABLE>

Thanks for posting up, redline9k831. I was wondering about the deck height issue, but hadn't yet searched. Just one more benefit of the complete CTR swap - the short-geared LSD trans.
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Old Dec 16, 2007 | 10:11 PM
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So there's been a bit of a bottleneck in my swap plans. Seems the source I had for the CTR swap was pretty shaky about selling just the motor and trans, and decided to sell his car as a whole for more than I could possibly get for it. So for a bit there I was unsure of what to do.

Found another CTR swap, from a buddy of mine I went to high school with. He's going a different route with his EF hatch, and wants to help me out as well. He's got the complete CTR swap, LSD trans and all, for $3k. I'll just need to modify an OBD1 harness to fit the engine - I'll lengthen, shorten, tuck and clip everything at once, to clean up the engine bay as well. Should be good. I'll keep you guys updated.
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Old Dec 17, 2007 | 04:11 PM
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Default Re: (DC4 Dave)

ur my hero , my buddy has a ctr that stock motor moves!!, i love that motor , , i told him i would trade in a heart beat, just swap the crank ! gsr or itr should do it . his friend has a 4 door ek running crazy times at the track . good luck let me know how it goes .
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Old Dec 17, 2007 | 05:14 PM
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Default Re: CTR Swap Into GSR? (redline9k831)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by redline9k831 &raquo;</TD></TR><TR><TD CLASS="quote"> DD u are mistaken. gsr itr same block and crank, different pistons. b16/b17 different deck hieght, no girdle different cranks and pistons(i.e. different blocks). </TD></TR></TABLE>

um before u go postin info thats not correct all over the place, u do know that he's talkin about the b16b right? all the info you gave was on the normal b16, not b16b

The b16b (ctr) has the same block as the gsr/itr so all have the same deck height , but ctr has a shorter stroke (diff crank) and different pistons.
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Old Dec 17, 2007 | 07:22 PM
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Default Re: (JDM_CRX_PLEASE)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JDM_CRX_PLEASE &raquo;</TD></TR><TR><TD CLASS="quote">no matter how slow ur motor is, you can still take the turns fast as expletive with a great suspension/tire combo.</TD></TR></TABLE>



*Wipes tears from that one 'ol thread*
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Old Dec 17, 2007 | 09:00 PM
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Default Re: (Pat_S)

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



*Wipes tears from that one 'ol thread* </TD></TR></TABLE>

For the truth.<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JRSC01GS-R &raquo;</TD></TR><TR><TD CLASS="quote">

um before u go postin info thats not correct all over the place, u do know that he's talkin about the b16b right? all the info you gave was on the normal b16, not b16b

The b16b (ctr) has the same block as the gsr/itr so all have the same deck height , but ctr has a shorter stroke (diff crank) and different pistons. </TD></TR></TABLE>

Thanks for the info! I had heard it mentioned in passing that the CTR's B16B was different than standard B16As, but this confirms it. Thanks again.
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Old Dec 18, 2007 | 07:10 AM
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the LSD tranny should give you that extra kick for a stock CTR motor in a DC chasis :]
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Old Dec 18, 2007 | 07:25 PM
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Default Re: CTR Swap Into GSR? (JRSC01GS-R)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JRSC01GS-R &raquo;</TD></TR><TR><TD CLASS="quote">

um before u go postin info thats not correct all over the place, u do know that he's talkin about the b16b right? all the info you gave was on the normal b16, not b16b

The b16b (ctr) has the same block as the gsr/itr so all have the same deck height , but ctr has a shorter stroke (diff crank) and different pistons. </TD></TR></TABLE>

correction! b16b has girdle!
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Old Dec 18, 2007 | 08:00 PM
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Default Re: CTR Swap Into GSR? (dickdragon)

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

correction! b16b has girdle!</TD></TR></TABLE>


yes I forgot about that
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Old Dec 18, 2007 | 09:27 PM
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Default Re: (Pat_S)

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



*Wipes tears from that one 'ol thread* </TD></TR></TABLE>


which thread?

i know last year when i use to be a big touge'r? anyways, i use to be into it real big before i got an interest into circuit. i posted a thread in the stories section, it was pretty detailed about how my stock LS with just suspension mods beat a V6 mustang GT on turnbull canyon in whittier, CA. that was a great race, the best one ive had ever... i even had 2 passengers.


good times
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Old Dec 19, 2007 | 03:39 AM
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Default Re: CTR Swap Into GSR? (DC4 Dave)

ctr motor is a bad *** motor. my boy got a ctr in his 92 civic coupe and that bitch moves! the vtec hits crazy hard and it's slightly modified.

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Old Dec 19, 2007 | 04:38 PM
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Default Re: CTR Swap Into GSR? (BillyBoom29)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BillyBoom29 &raquo;</TD></TR><TR><TD CLASS="quote">ctr motor is a bad *** motor. my boy got a ctr in his 92 civic coupe and that bitch moves! the vtec hits crazy hard and it's slightly modified.

</TD></TR></TABLE>

I'll be looking for ITBs and possibly S2Pro2 cams, maybe I'll go all-out and get some Toda VTEC-Killers.
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