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B16a SiR V swap into '91 CRX

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B16a SiR V swap into '91 CRX

Postby sigmabob » Thu Dec 10, 2015 3:02 pm

In August I bought myself this beautiful '91 CRX si with 230,000 miles. Engine had low compression in one cylinder, failed leakdown everywhere, slipped in every gear, but was in beautiful shape and was exactly what I wanted (black si).
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So I endeavored to do my first major mechanical project - An engine swap. Got the b16 ordered from HMotorsonline with y1 tranny, OEM LSD, mounts, shift linkage, axles, ECU, sub harness, the works.
Here are the pictures I managed to grab during the engine swap process.

my buddy and I being real hip hop right here
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Honda Family
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Out with the old
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In with the new :love:
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exedy clutch pack
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resurfaced flywheel
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my life for over a month looked like this :oops:
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BOOM (fixed the clutch cable routing shortly after this picture lol.)
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And now she is all done just in time for the Pacific Northwest world famous endless rainy season! :cry:
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Thanks for checking it out, couldn't have done it without HMotorsonline, VIPperformance here in Portland, Thomas Automotive, crxcommunity, hondatech, google, and my buddies and dad's help thank you everyone!
Last edited by sigmabob on Mon Apr 04, 2016 4:15 pm, edited 1 time in total.
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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby rex-b16a » Thu Dec 10, 2015 11:12 pm

Congrats on finding a nice one! You will love the b16. They really bring these cars to life!
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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby vanrij » Fri Dec 11, 2015 2:34 am

Great find and nice work!
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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby Nsx1972 » Fri Dec 11, 2015 3:59 am

Very nice and clean. Just what crxs should be like ...clean and simple with a few mods. Hope you will come out to the great pnw ef meet in aug.... hey also if you are looking for a amber set of corner lights to match your bottom turn signals let me know. I bought a set of depo brand new cant use because i have an sir ef8 front end. Pm me if interested im i. Se portland.
90 crx si jdm b16a
93 eg dx hb (b18c5 swap)
96 ek hb (b18c5 swap same motor from my eg)
95 delsol dohc vtec ( swaped motor out and put in b20ls vtec)
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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby Crxhenson » Fri Dec 11, 2015 2:50 pm

Nice work! Any other plans or will you leave it like that?

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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby sigmabob » Fri Dec 11, 2015 5:40 pm

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Driving it for the past couple weeks has been a blast. I am totally happy with where it is power wise for now. It's been absolutely dumping rain lately so I haven't really pushed it though.

I will say this about the b16: The crx is a totally different car now. I can overtake people, change lanes, get where I need to, go up hills, this is amazing. I've owned an accord and two civics and none of them moved like this thing does. Highly recommended! :-)b

I am interested in maybe increasing the power next year; intake, header, obd1, chiptune, the usual. But for now here is my to do list:

New muffler (greddy ewwww. I like the tanabe super medallion sound but I'm still doing research I already have 2.5'' all the way so just need the muffler for different sound)

Paint (looks clean in the pics but the roof and rear quarter panels are quite faded and clear coat is almost gone)

Sunroof seal (I'm getting leaks in passenger floor area that is coming from sunroof bleh)

Sub (literally no bass in these things.. I don't want to blast sound but I want some depth to the music lol)

Seats and harness
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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby 90jdmcrxdude » Sat Dec 12, 2015 5:42 am

Your sunroof leak is probably from the drains being clogged. Pull the headliner and there are 4 drain tubes one in each corner hook it up to a compressor and blow them all out. Hopefully the water hasn't caused the sunroof tray to rust badly.
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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby sigmabob » Sat Mar 12, 2016 8:12 pm

Update!

Updated the front of the 'rex with nice amber corners, got them from someone on here, but I don't remember who it was lol. Installed some fogs from thailand, they work great and were a lot cheaper than the stanleys!
next up will be a new license plate and fixing the fitment of the hood/bumper to get rid of that awkward gap.
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and here come the goodies! Got the last Skunk2 'mega' exhaust system from VIP performance here in PDX, mated it to a high flow cat and had the shop chop the flange off my oem exhaust manifold and replace it with a Megan racing flange. Sorry no pics under the car :(
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and what good is a new exhaust without a new intake. Went ahead and had the shop take care of this for me as well, 3in aluminum intake with K&N filter. These two upgrades have really brought the car to life.
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and that stock steering wheel had to go. It was delaminating pretty badly, and was honestly too big for the cockpit on this thing so HMO come through with a momo for $100
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And when the hub that HMO sent with it didn't fit, it was obvious that I should go with an NRG short hub and quick release right!? sorry for the messy carpets, its been pouring rain here.
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Up next for this spring/summer is hood/bumper fitment fixes, hopefully paint on the peeling roof, new climate control unit, and autocross!!
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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby kracksmith » Mon Mar 14, 2016 1:33 am

Nice fogs from thailand. Mine to share exactly where u got it
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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby sigmabob » Mon Mar 14, 2016 3:30 am

kracksmith wrote:Nice fogs from thailand. Mine to share exactly where u got it


from ebay. very happy with the fit and how bright they are!
http://www.ebay.com/itm/151729839528?_t ... EBIDX%3AIT
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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby AZCRXSI » Thu Mar 17, 2016 8:37 pm

That is awesome! Great pics!

Car looks great! :-)b
"Mango Bango", 1990 CRX Si -- Bought on 10/01/11, with 228,116 miles.
1990 CRX Si BUILD THREAD

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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby sigmabob » Tue Mar 22, 2016 11:12 pm

thank you!!

just ordered some goodies and going on the PDX beach cruise on saturday I'll be posting some updates :greenbanana:
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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby sigmabob » Mon Mar 28, 2016 5:16 pm

Did the EF Beach Cruise on saturday here are some pics and a short video.

https://youtu.be/13ed52JfIJI



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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby kcjohnnyboy » Mon Mar 28, 2016 7:41 pm

do you see a better fuel economy with the bigger engine?
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Re: CRX B16a SiR V swap into '91 CRX COMPLETE with pictures

Postby sigmabob » Tue Mar 29, 2016 1:47 am

no definitely not. had to switch from regular to premium, and went from about 35mpg to 20mpg :(
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Re: B16a SiR V swap into '91 CRX

Postby sigmabob » Tue Apr 05, 2016 2:30 am

teaser :bounce:

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Re: B16a SiR V swap into '91 CRX

Postby AZCRXSI » Tue Apr 05, 2016 10:19 am

Oh! Puuurdy!
"Mango Bango", 1990 CRX Si -- Bought on 10/01/11, with 228,116 miles.
1990 CRX Si BUILD THREAD

Liquid Yellow 2005 MINI Cooper S (Daily Driver)
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Re: B16a SiR V swap into '91 CRX

Postby WithinStarr » Tue Apr 05, 2016 4:24 pm

I absolutely love seeing that iconic DOHC VTEC engine sitting in a CRX or Civic Hatch, very nice good sir.
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Re: B16a SiR V swap into '91 CRX

Postby sigmabob » Tue Apr 05, 2016 6:23 pm

WithinStarr wrote:I absolutely love seeing that iconic DOHC VTEC engine sitting in a CRX or Civic Hatch, very nice good sir.


couldn't agree more thats why I had to go with this option. it just fits in there so perfectly!
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Re: B16a SiR V swap into '91 CRX

Postby sigmabob » Tue Apr 12, 2016 10:21 am

Special delivery from HMO! :D

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up next body work and paint. These high res pictures really reveal the imperfections :(
anyone have a recommendation for a shop here in the NW particularly Portland, Oregon?
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Re: B16a SiR V swap into '91 CRX

Postby Josip » Thu Apr 14, 2016 12:50 pm

Great rims! :bounce:
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Re: B16a SiR V swap into '91 CRX

Postby uncleivan » Thu Apr 14, 2016 6:59 pm

What size rims did you go with?
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Re: B16a SiR V swap into '91 CRX

Postby sigmabob » Fri Apr 15, 2016 1:25 pm

15' with 35 offset.

I haven't decided yet if I love the white, i was hoping to go with bronze :? but idk, they are growing on me :)
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Re: B16a SiR V swap into '91 CRX

Postby uncleivan » Fri Apr 15, 2016 3:39 pm

White looks good...I picked up some 16" rims with a +37 offset today and was looking for reference....yes there are alot of pics out there but some wheels look bigger than others. Went with OZ Alleggerita Hlt titanium finish. Also like the pics from the beach road trip. I lived in Boise for 20 years..great part of the country to live in.
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Re: B16a SiR V swap into '91 CRX

Postby sigmabob » Fri Apr 15, 2016 4:45 pm

thanks man, yeah these do look large for 15's but the car is pretty slammed so i think its the bright color and fitment under the wheel arches. I couldn't be happier with the fit actually.

those OZ's are sweet too i googled them.
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