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RX-7 1st Gen Specific (1979-85) RX-7 1979-85 Discussion including performance modifications and technical support sections

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Old 04-10-2013, 07:24 PM   #1
ran83
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Smile finally moving up in the world

Finally moving up in the world my header and exhaust came in today so now just waiting on my drive shaft that will be here friday. So as soon as it is here i will be putting everything on and soon to order a webber car that the wife is getting me for my birthday. Then of to mo to get a good tune on it amd that will be the basis fir my build!!!!!






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Old 04-10-2013, 08:31 PM   #2
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Get a free flowing air cleaner, hot coils, low ohm plug wires,high flow cat ,plus the rest and you will be rocking and rolling soon .
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Old 04-11-2013, 09:34 AM   #3
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yeah already have the high flow cat and am in the process of getting msd igintion and wires and am also fabricating my own air box for cold air conversion!!!!!
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Old 04-11-2013, 11:07 AM   #4
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Quote:
Originally Posted by ran83 View Post
yeah already have the high flow cat and am in the process of getting msd igintion and wires and am also fabricating my own air box for cold air conversion!!!!!
Before picking up that MSD box take a look at the write ups for the FC ignition swap! should net the same results as the MSD at a lot less cost! its called 2GCDFIS. And congrats on all the new parts as well! And what trim is your car? Have disc brakes and LSD out back? if not that's a nice upgrade for FBs
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Old 04-11-2013, 11:15 AM   #5
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yeah i have the disk brakes all the way around and am soon to up grade there to as money becomes available and i will have to look that up because i am big on saving some money.
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Old 04-11-2013, 11:41 AM   #6
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Quote:
Originally Posted by one320fc View Post
Before picking up that MSD box take a look at the write ups for the FC ignition swap! should net the same results as the MSD at a lot less cost! its called 2GCDFIS. And congrats on all the new parts as well! And what trim is your car? Have disc brakes and LSD out back? if not that's a nice upgrade for FBs
+1 on the swap! Better alternative (in my opinion) than MSD

MSD = My Spark Died
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Old 04-11-2013, 12:26 PM   #7
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Yeah im officially with you guys all thereviewsi have read in tge msd for my car is terrible
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Old 04-11-2013, 12:48 PM   #8
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so where do i buy the 13b coils to make this happen i know the rx7 club forum has pictures and diagrams of it up on their page looks pretty simple actually i just need to get my hands on it to get it going i think that with the new exhaust in combination will make a huge difference. especially knowing that i am not gonna be just dumping gas out the ass end of my car
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Old 04-11-2013, 02:27 PM   #9
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FC parts section and the junk yard are the best place to pick some up
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Old 04-11-2013, 03:32 PM   #10
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The 2GCDFIS is ok but seems to eat up the ignitors over time. Its a really cheap and easy
upgrade for the money tho. You can get used 2G coils from the JY or from someone on one
of the sites.

A better solution is what I have done to create the ignition for my SA. The parts are very
cheap, easy to find, and its a better setup for longevity than the 2G coil setup.

I have it documented in the 1st gen section of the 7club (don't hate on me please).
I won't directly link it here but the title is "Tfidfis". Just search you'll find it.

Uses GM HEIs and Ford TFI solid state coils. Quite few folks have done this conversion
and are successful at it even with very little experience with ignitions or wiring.
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Old 04-11-2013, 04:05 PM   #11
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there is nothing wrong with the MSD and aftermarket coil setup, it still beats all the DLIDFIS and 2GDFIS mods, because they still rely on the J-109 ignitor which is the weak point. the MSD does away with the j-109 ignitor. i even tried the modded version creating a ignitor amp, which was the best output but the amp box would overheat on hot days and cut out for 15 minutes.

once you start pushing the limits you will see how poor those conversions in fact are, though most will never notice the difference or really need it. the FC coils are great but using the 1st gen electronic distributor still causes them to fall on their face after 4500RPMs at even 200whp+ ranges.
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Old 04-11-2013, 09:15 PM   #12
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Damn decisions decisions where to start????
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Old 04-12-2013, 07:29 AM   #13
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Quote:
Originally Posted by Rotary Evolution View Post
there is nothing wrong with the MSD and aftermarket coil setup, it still beats all the DLIDFIS and 2GDFIS mods, because they still rely on the J-109 ignitor which is the weak point. the MSD does away with the j-109 ignitor. i even tried the modded version creating a ignitor amp, which was the best output but the amp box would overheat on hot days and cut out for 15 minutes.

once you start pushing the limits you will see how poor those conversions in fact are, though most will never notice the difference or really need it. the FC coils are great but using the 1st gen electronic distributor still causes them to fall on their face after 4500RPMs at even 200whp+ ranges.
Thats if you use the j10X ignitors. My solution uses the GM HEI which can handle
almost 2x the power and you can get HPO versions for more spark energy.
Plus my solution costs about 1/10 that of an MSD or other ignition box
variants out there. Literally, the plug wires are the big money items compared
to the HEI and TFI coils (if you grab them from the JY).
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Old 04-12-2013, 07:32 AM   #14
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Quote:
Originally Posted by ran83 View Post
Damn decisions decisions where to start????
I started using the 2G coil. After it blew out my j105s I made the TFIDFIS
ignition up. Do the one that you feel the most confident in achieving. Once
you get familiar with playing around with the ignition you can move on to a more
ambitious project. Key here is to have fun.
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Old 04-12-2013, 09:14 AM   #15
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Yeah i think today i am goiing to hit up the salvage yards and see what i can find and then go from there fortunatly my drive shaft comes in today and i will also be installing my exhaust so that will be a big plus
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