This is the 1st Gen FAQ page of links. Please review these links before creating a new thread with the same subject. Thanks!
Also, before creating new threads, please review the RULES for the 1st Gen Section.
Q. Is there a good resource for general rotary engine questions?
A. Yes! Check out Felix's Own General Rotary Engine FAQ
<--- read it, you'll like it.
Q. What can I remove off my stock carburetor to make things simpler?
A. There's a bunch of junk that can be removed if you don't need to worry about emissions control and a few other little things. See here: Carb Rebuild: How To Strip A Nikki Down
Q. How does a rotary engine work?
has a nice explaination of How Rotary Engines Work
Q. What kind of gas should I run in my Rx7?
A. There's a great thread in the archive
about this that puts many myths to rest.
Q. What is the bolt pattern on my car?
A. See Here, as well as many other threads Bolt Pattern?
Q. Where can I get service manuals for my 1st Gen?
offers the best aftermarket manual for the 1st Gen and they can be bought on
real cheap. The Factory Service Manuals can be bought at Mazdatrix
. Here are links
to pdf versions of the 1985 Factory Service Manual
and the 1980 Factory Service Manual
Downloadable pdf wiring diagrams can be found here
Sgt Fox has compiled a real nice collection of pdf'd manuals as well: http://rx7.foxed.ca
Q. Can I install a turbo or TII engine in my 1st Gen?
A. Ummm yeah! Read all about it in the Turbo swap into 1st Gen
thread. Also, Rex4Life
has done a superb job of describing his swap in the thread entitled The Chronicles
of a Turbo II Swap
Q. What kind of mods can I do to my 1st Gen to make it quicker?
A. Read The Upgrading a Stock Rx-7 Thread
Q. Where can I buy OEM, aftermarket and performance parts for my 1st Gen?
A. Check out the First Gen Performance vendors/links
Q. My engine is carbon locked, what can I do?
A. vipernicus42 has written an excellent article about Decarbonizing A Rotary
. There is a section
about carbon locked engines and how to free them up.
Q. How do I clean the carbon out of the combustion chamber?
A. vipernicus42's article about Decarbonizing A Rotary
has some useful tips on keeping
your engine nice and clean.
Q. What kind of oil should I run in my 1st Gen?
A. That's a good question that's been asked a million-bazzillion times
Check out the OIL which brands burn good and which don't?
thread. Speaking of oil,
here's a thread about Common Oil Leaks
Q. What's all this talk about SA, FB, FC, FD's? and what about S1, S2, S3
A. In short, it's all about VIN numbers
Check out this thread entitled fb, fc, f-me I'm confused
(which also answers about the S* designations)
Here's a cool page called Alphabet Soup & Vehicle Identification
Q. What's the difference between an LE, S, GS, GSL, and a GSL-SE?
A. Check out the First Generation '78-'85
page. Here's another page
that describes the 1st, 2nd and 3rd generations
Q. My GSL-SE has idle and surging problems, how can I fix it?
A. This can be tricky but David Lane has created a page with lot's of excellent hints
on Solving GSL-SE Idle Problems
has added some excellent
suggestions in this GSL-SE Rough Idling Problem
. Here are some other informative
threads: ...surging SE's
and GSL-SE going nuts at IDLE!!
and wacked idle and odd
acceleration at part-throttle
Also be sure to check out the Mitchell Manual (1984 RX-7
full manual, pg 240-241) Technical Service Bulletin
Q. Premixing oil in the gas? huh? What's this all about?
A. premix on a rex, im just trying to understand
Q. What kind of spark plugs should I use?
A. Survey says!
A2. Also, some people have said that NGK BR8EIX Iridium plugs work. You need a thin wall spark plug socket. (Not yet confirmed, used on second gen 13b's in the Canadian Section)
Q. What's the "rats nest"?
A. Here are some threads with pictures of the 12a's rats nest
and 13b's rats nest
. And if
you feel compelled to do so, here's a link to a tutorial that describes how to remove the rats nest on an FB
and another which describes how to remove the rats nest on an SA
Q. What is the difference between a 12a and a 13b?
A. The answer surprisingly enough
is in the what is diff between 12A & 13B?
Q. What is a "Vacuum Leak" and how to I fix it?
A. You can find the answer here!
Q. Can I convert to direct fire ignition?
A. Yes, but most do the leading ignition only. There are several methods, there's
the ever popular DLIDFIS
first pioneered by Jeff20B
. The MSD 6a
2GCDFIS (2nd Gen coil)
or 3GCDFIS (3rd Gen coil)
methods. There's even talk about
using the ubiquitous GM HEI
ignitors instead. Whew! Did I miss any? ........ Yup! There's more! kettlman
has been kind enough to dyno his car with and without direct fire ignition. Read his thread titled DLIDFIS myth?
for all the details.
Q. How do I replace the stock fusible links with a 2nd Gen fuse block?
A. Fusible link conversion
Q. Can I modify my Nikki carb for better performance?
A. Of course you can! Please read all about the cheap and easy Nikki mods
can do. For all you gotta see a pic
guys, here's a thread with pictures of how to do
the mechanical secondaries
Q. I'm having trouble with my Nikki carburetor, what should I look for?
has written some excellent articles on the subject, check them out.
Carburetor Troubleshooting- Flooding Problems
Carburetor Troubleshooting- Acceleration Problems
Carburetor Troubleshooting- High RPM Power Loss
Nikki Carburetor Rebuilding Tips
Leave yer damn Float Levels ALONE!...
How to adjust the idle on a Nikki carb
Q. How do I adjust the TPS (Throttle Position Sensor) on my GSL-SE?
A. GSL-SE TPS Adjustment for Dummies...
Q. My RX-7 won't start, where do I begin?
has written a "book" entitled: End all for no start threads.
Q. Is there a way to upgrade the wimpy alternator?
A. Check out mar3's
drawing skills in his "Economical" Alternator Upgrade
thread. Be sure to read the thread titled 2nd gen alt in 1st gen?
there's some valuable info there too. Also, check out How to convert to a internally regulated altarnator?
Q. How do I rebuild my 1st Gen's rear calipers?
has written a most excellent HOWTO on Rebuilding rear brake callipers
Q. Water temperator sensors, where are they and what does each do?
A. Everything you ever wanted to know about temperature sensors
Q. Do you have an Rx7 you're trying to restore? A seized engine? a car that's been sitting for a few years? Wondering what the "ATF Treatment" is and how to do it without killing your engine?
A. Look here: Bringing a RX7 back to life
Q. Does my car have a Limited Slip Differential (LSD)?
A. Here's a good thread to find the answer. LSD any one know?
Q. Is my Limited Slip Differential (LSD) worn out?
A. lsd shot?
Q. Where can I find information on Rear End Gears?
A. Here are two good threads that should give you some answers
Results From Pinion Gear Change
Q. Why do I need to vent my crankcase?
A. To prevent the "lung mustard" and rusty filler tubes that you get with unvented crankcases.
Here are some links that talk about why you need to vent with vaccum: ( A )
, ( B )
and ( C )
Some guys (peejay) are fans of using PCV valves instead, here are some links that describe
the proceedure: ( 1 )
, ( 2 )
and ( 3 )
Q. Is it possible to adjust the over-rev buzzer?
A. Yes! See Adjusting the Over-rev Buzzer
Q. What's that reservoir under the washer fluid one for?
A. It's the Sub-Zero Fluid
Q. What size is that bolt holding the flywheel in place??
A. Remember, it's the size that counts so read this thread:
What Size Is The Flywheel Nut?
Q. I want to replace my battery cables, what do I need?
A. Check out Jim Rothe's article on Replacement Battery Cables for 84/85 RX-7s
This page is a work in progress, if you have suggestions for other FAQ type threads, please feel free to Personal Message Jon or add your comments to the need help building 1st Gen FAQ page thread. Thanks!
- 81-95 Short Shifter Installation
- Shutter (Coasting) Valve replacement on 81-85 12A's
- Synthetic Oils in Rotary Engines
- 79-95 Identifying Flywheels (and weight chart)
- Rotor Weight and Compression Chart
- Side Housing Information
- Front Pulley / Thrust Bearings Warnings
- Identifying Bad Rotor Housings
- Transmission / Differential Trouble Shooting