Old School and Other Rotary Old School and Other Rotary Powered Vehicles including performance modifications and technical support

Help with a conversion

Old Feb 16, 2005 | 04:22 PM
  #1  
caravaggio's Avatar
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From: orlando, fl
Help with a conversion

Hey, I'm putting a 13b in my Volkswagen Ghia and I could use a little advice.... I already have the motor hooked up to the tranny, but now that it is in there I'm more than a little worried about hooking up the EFI. I pulled the motor from a 86 RX7. I have the computer and all the wiring.... though some of it was sliced taking the motor out making putting it back together a bit of a pain. Also I don't see a way to fit the stock air cleaner under the hood. It's my understanding that I have to have that on there because the computer gets information from a sensor on the cleaner. What I'm looking for here are options and advice.
Should I...

A. Try to buy an aftermarket intake and do my best to hook up all the wiring? (Does the aftermarket intake have the sensor?)
or
B.Take all the FI stuuf off and convert to a carb. If so what exactly is involved in converting to a carb and what parts will I need?

Also, I was wondering, either way, what "extra" stuff on the motor I can get rid off. My understanding is that since I'll be using a custom exhaust I can get rid off the air pump. Is this so? And is there anything else I get take off?

Thanks!
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Old Feb 16, 2005 | 06:09 PM
  #2  
rotary emotions's Avatar
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From: Elsenborn, Belgian Eifel
You could remove all the stuff we remove on ours Just try to search in one of the RX-7 forums. Basicly, if going carb, you'll need a manifold and carb, that's it. It sure would be the easiest route, and safe you from wiring. If you go for a carb, you can remove airpump, all emmission controls, all solenoids etc on the engine. Do make sure you still have a proper vent for excess pressure in the engine oil. two lines and small filters do the trick, or use a puke-can (oil catch can) if you like.
When going for stock EFI, you'll need the airflow meter (which is the "sensor" you refer to), as the computer needs the info. Or go aftermarket ECU. Most will use a throttle position sensor (which you'll have). And aftermarket intake will keep the AFM, but you can design the pipes from the AFM to the engine to suit your needs.
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