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1986 200SX With CA20E to CA20S Conversion; Questions


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#1 Silviation

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Posted 21 August 2017 - 02:56 PM

Hi. I bought a 1986 200SX S12 (U.S. spec, built in December, 1985) that someone had started a conversion from the factory CA20E engine to a carbureted CA20S version. It has a custom carb mounting adapter on an intake that came from a CA20S, and a Weber 32/36 DGEV carb. The fuel pump is electric but is one made for carburetors. No parts remain on the engine pertaining to the CA20E injection except for the distributor, which is the factory one with the crank angle sensor. The factory ECU (ECCS) came with the car but is not hooked up. The factory throttle cable is hooked up to the Weber, and from what I can tell, everything else (hoses and such) are hooked up like that for a CA20S engine. I have had the engine running, the oil pressure is good, but it won't hold an idle.

 

Has anyone else had experience with this conversion, and, are there some things I am missing/overlooking to get the engine to idle? Should I change the distributor to one made for a CA20S engine? If I hook up the ECU it doesn't make a difference as to how the engine runs. I tried disconnecting the crank angle sensor wires to the distributor but the car wouldn't even start.

 

Can someone please enlighten me on this and help? I greatly appreciate any help!



#2 swampdonkyy

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Posted 03 September 2017 - 07:51 PM

the 910 bluebird had the s motor, google that & search 910 bluebird forums






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