L-Jetronic mods

Aaron Willis darkmonahue at awwwsome.com
Wed Dec 16 23:22:58 GMT 1998


My first post to this list -

HELP!! I am new to all this stuff. Basically I am trying to inject and
possibly supercharge a currently carbureted engine. The engine is a
Toyota 3T-C and the injection is a L-Jetronic system from a Toyota
Corolla GT-S twincam. These are the stumbling blocks I have found:

1. The injectors are 210cc each. I've read these are only good for 30
horsepower each, four injectors = 120 hp. I do have eight injectors. Can
I use them all?
2. The airflow sensor (flapper style) is tiny. Can I use one from a
bigger Toyota or other car on the stock computer? Will that compensate
for having eight injectors?
3. The computer gets its RPM signal from a sensor in the distributor,
which my dixxy doesn't have. Do I have to make it fit in my dizz or can
I use a crank wheel instead?
4. Or should I sell it all off and go programmable? I am trying to do
this on a budget.

Thanks for your help
Aaron Willis
Redding, CA USA






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