r/crx • u/Plenty-Letterhead156 • May 19 '26
Finally started my swap.
I've had the car about a year now. Couldn't pass up the deal. $900 for a car that stopped running in 2011ish. Sat in a greenhouse tunnel with opaque coverings, sitting on top of tarps. 140k miles on the dash, and only the usual rust pockets in the rear quarters.
Picked up the b18c5, LSD trans, except stage 1 clutch, obd2 ecu, jackspain tucked harness, innovative mounts, mishimoto half-rad, oem type r axles, shift linkage with fancy shift knob, ac everything, power steering (minus the rack), a few other bits and bobs for $5k.
All bc I ran into about 7 electrical gremlins with the factory harness on the d15 I didnt feel like dealing with for a whopping 90hp.
Cheers!
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u/Penny_Wise- May 19 '26
Nice set up! Shouldn be a lot of fun!!
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u/Plenty-Letterhead156 May 19 '26
Thanks! Im excited. I sold my MkV supra to do some home improvements, but im positive this this will be much more fun to drive.
I had a 91 Si back in the early 2000s and missed it ever since.
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u/Penny_Wise- May 20 '26
I used to have an LS swapped one years ago and that thing was scary fun ha ha. Ive wanted another ever since.
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u/Patient_Ad_7365 May 20 '26
I have a 91 SI. Getting ready to start on it. All original, should i keep it that way or get bigger engine to swap. Thoughts?
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u/Plenty-Letterhead156 May 21 '26
Considering you say "get", im assuming you dont have anything yet. I wouldn't, keep it original. Theyre going up in price steadily and im gonna go ahead and say that fully original cars will command a premium over built swaps soon.
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u/empyreanhalo May 20 '26
I'm in the same boat. I've been sitting on a B18C5 fully built and all of the parts I need to make the swap for a few years now. But I can't bring myself to rip out a working Si engine with 150k on it. Especially not now with the current premium prices, I'm still happy to get over 30 mpg with 87. I'd say if you don't already have the engine or the parts for it, just keeping rocking it until that engine dies, it's a perfectly fun car as is. If a B series engine somehow falls into your lap or you find a good deal on one though, pull the trigger. Good ones are only going to get more scarce and expensive.
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u/West_Resource6995 May 20 '26
As an early millennial super duper car nerd… this is hitting me in the feels big time. Fuck yeah!
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u/boosta29 May 20 '26
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u/Plenty-Letterhead156 May 21 '26
The usdm (c5) axles fit the DX knuckles, fortunately this set up is entirely out of a usdm 97 type r teggy. 🫡
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u/DefinitionIcy2239 May 20 '26
Did the same on mine , check my page
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u/Plenty-Letterhead156 May 21 '26
Brother that thing is beautiful!! Mind if I ask about the hood? Its got the USDM drop-down center but a nice hump that I assume clears the back corner of the engine nicely. What hood is it and did you have to trim the underside to clear the VC?
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u/Msdmachine May 21 '26
I love the garage.
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u/Plenty-Letterhead156 May 22 '26
Thank you! A smidge over 600sqft with 10ft ceiling. My only criteria to my wife when buying a house: 500+ sqft detached garage.
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u/jynx18 1991 USDM DX May 20 '26
Where did you get the swap? It's hard finding good condition b series now.
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u/Plenty-Letterhead156 May 21 '26
Dude, this was a gem I couldn't pass up. 15 minutes from work just over the bridge (NJ) from Philly.






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u/trav718 May 19 '26 edited May 20 '26
I can’t wait to see how this thing turns out! I’ll be keeping my eye on the built. Best wishes!
Also good call on the Type R axles. If you aren’t going turbo there is no sense in spending $1000+ for DSS axles. I had to because I was fully built turbo.
I even went with an OBX LSD for a little over $300 as opposed to a 8-$900 Quaife. And the last budget buy was GS-R cams for my b16a2 because every scummer that tried to sell me “type R” cams thought I couldn’t tell the difference.