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-   -   Dont need emissions test so what can I get rid of to simplify? (https://www.rx7club.com/new-member-rx-7-technical-256/dont-need-emissions-test-so-what-can-i-get-rid-simplify-920305/)

Nyt_Muves 08-31-10 09:50 PM

Dont need emissions test so what can I get rid of to simplify?
 
Since the 83 is old enough, I no longer need to emissions test it. Since i am under the hood anyway right now, what can I get rid of under the hood that will either simplify or give me a performance boost?

mar3 08-31-10 10:13 PM

Leave the rat's nest alone. Get rid of the hot air riser flap and the plastic air horn on the air cleaner...dyno proven 2 HP right there, if I remember right. K&N filter all fresh and red is also a dyno-proven 5 HP change.

That's it for the easy stuff beyond optimizing the ignition system.

Leave the rat's nest alone. All the lines about "running perfect, removed rat's nest and I know I did it right but now it can't even idle, help!"...dang those threads get old. :icon_no2:

Mario III

canonize-ryda 09-01-10 03:11 PM

dont no much on fbs. but i no u dont need a/c, cat converter, air pump(unless its used to open 5th and 6th ports), also buying an elecrtric fan is a plus and adds lots of room. other than that idk....like i said i own a fc.(no knowledge of the fb)

Kentetsu 09-01-10 03:32 PM

The real gains will be with exhaust and a nice carb. But they go together. If you just add a carb, then you won't see any gains until you free up the exhaust flow. Pretty much anything that is not needed under the hood can be removed, weight reduction = hp increase.

Check out this thread from when I stripped and cleaned my engine bay: https://www.rx7club.com/showthread.p...highlight=pics








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Nyt_Muves 09-01-10 08:34 PM

Besides weight I figure its just that much less to have to clean and work around...

Kentetsu 09-02-10 10:37 AM

Yes, and if it ain't there, then it can't cause you problems down the road. My engine bay is cleaned of 95% of everything that doesn't absolutely have to be there to make the car run. As a result, it is highly reliable. I probably pulled well over 100 Lbs out from under the hood. That cast iron exhaust manifold weighs a ton all by itself! :)

Nyt_Muves 09-03-10 02:13 AM

I am told that the Rats nest needs to remain until I convert to manual transmission.


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