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Need help on complete install of A/C into a b16 91 CRX

374 Views 3 Replies 2 Participants Last post by  ale5six1
Hello all, I have finally decided to make my fun weekend car that has been long neglected into a fully restored daily driver.

The main thing I need your help with tackling, is what is the best way to handle fully installing a A/C system into my 91 CRX DX.
I've tried researching but it seems like there are so many different opinions/options, and it all varies depending on what system you had, what refrigerant you want/need to use and what chassis, motor, radiator and exhaust manifold you have.

B/c I have a B16 and half sized radiator, my main questions are:
1. Am I able to keep the half sized radiator and DC sports header and just do an a/c setup from something like the Del Sol SI or 99 civic SI? or do I need to revert back to a full sized radiator and OEM exhaust manifold?
2. Depending on the answer to question 1, what A/C compressor and components should I get? the original 91 CRX stuff or another vehicles?

Helpful info about my setup:
91 CRX DX
B16a JDM motor with a LSD transmission w/ Hasport hydro to cable conversion
Header is DC sports
K-tuned traction bar
Hood Motor vehicle Automotive design Vehicle Automotive air manifold
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At this point you'd have to bite the bullet and consider using a 92-95 ac compressor (rated for 134a from factory.)
The ac compressor might sit a bit different given the exh. Manifold.
Chances are you will also Need to use different ac hoses, ac compressor bracket...


I Can't find it but there is a big thread here about retrofitting better ac components including a parallel condenser( idk if it's still available though).
Hopefully another member can help with a link.
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At this point you'd have to bite the bullet and consider using a 92-95 ac compressor (rated for 134a from factory.)
The ac compressor might sit a bit different given the exh. Manifold.
Chances are you will also Need to use different ac hoses, ac compressor bracket...

I Can't find it but there is a big thread here about retrofitting better ac components including a parallel condenser( idk if it's still available though).
Hopefully another member can help with a link.
Oh I didnt realize that all 92-95 civics used half sized radiator/ac system as well! thanks so much for that info, that puts me on a really good path to research on B16 swaps in those are cars now. Appreciate the knowledge and guidance!

And maybe that big thread is in Honda-tech? I'll do some searches over there also just to make sure
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