1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

84 gs

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Old Sep 26, 2006 | 10:32 PM
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84 gs

hi guys i am new here,i am goin to get a 84 gs rx7 by friday, i am trading this guy my 87 mustang 5.0,i hate to see it go but i have always wanted a rx-7,this rx has been siting for 2 years the kid has now replaced a lot of parts in it,has a gsl-se rear end,but my main question what are the most know problems with the 84 rx-7 what are they prone to break first,car is all original 130k in it please let me know as this car will be my daily for a while...thanks
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Old Sep 26, 2006 | 10:36 PM
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Hey,

welcome to the forum. Good to see some poeple trading in some 5.0 to rotary's (AKA the dark side as some people would say). First thing to look for I guess would be rust. Look in the rear wheels most common. Its usually easier to see if you pull the storage bins behind the seats (You just need a cross screw driver for that). Beside that see how easy it is to fire it up (Very quick, and rough compression test kinda).
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Old Sep 26, 2006 | 10:42 PM
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ok cool well i have not seen the car,my 5.0 i am goin to miss it it had 250k miles in it it ran really strong lots of upgrades,but i have to move on i just wonder woul di get better milage out of the rotary then the 5.0,well i liv ein florida the kid says he never has had to use the choke to turn the car on,since it is hoter then hell here,n it does fire right up though..ac dont work i will have to fix it asap,other then that are they realiable for evryday use,what are the first mod si should do to it,i want to make it as fast or faster then my 5.0
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Old Sep 26, 2006 | 10:42 PM
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How stock is the engine, I ask as the rear has been swapped, beware if you are in a emmissions checking area, make sure you can get it passed, has the "rats nest" been removed (search button) What carb and exhaust is on it.

Most problem areas on these cars are easy fixes, other than rust.

Check the crossmember etc for signs of bottoming out, gauges work, clutch pedal feel and engagement, smoke on start up-high rpm, signs of maintenance (plugs, oil changes, tires)

Welcome to the dark side....
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Old Sep 26, 2006 | 10:50 PM
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lmao i sure hope all the rats ar eout of the damn thing,the car is stock carb and evrything so is the exhaust,thursday i will post pics i am goin to see thanks for evrything
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Old Sep 26, 2006 | 10:51 PM
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as far as milleage goes ... they're really not the nicesest to be honest. BUt power can be added very easily, turbo chargin is probably the easiest, along with porting the engine. or you could do the T2 swap.
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Old Sep 26, 2006 | 10:52 PM
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lol (about the rats) thats what i said when i joined this forum ... it actually refers to all the emmisions stuff
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Old Sep 26, 2006 | 10:57 PM
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The engine itself will be very reliable, mine has 206,000 on it and I race it most weekends. Everything else is easily handled (carb, ignition, wiring). If you are lucky, your gas mileage might be comparable to the 5.0... Welcome to the forum.
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Old Sep 26, 2006 | 11:31 PM
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don't worry about identifying the rats nest, it lives up to its name and is a huge tangle of tubes right on top of the block, so you shouldn't miss it, especially since it sounds like you have experiance with cars.

I would say look at the frame rails under the car. Those can get rusted and are obviously a pretty important part of the car.

And also know that the GSL-SE had a different bolt pattern than the S, GS, GSl, so unless the guy also did the front suspension you are going to have to worry about wheel choices. (if your looking into those of course). The GSL-SE had the common 114.3 bolt pattern and the other models all had the less common 4x110.

Welcome.
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Old Sep 26, 2006 | 11:52 PM
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well their is no emission in florida so that will go first like i did with the stang,what is a t-2 upgrade?????also nos how well do the 12a like it??
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Old Sep 27, 2006 | 12:27 AM
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Originally Posted by tony302
well their is no emission in florida so that will go first like i did with the stang,what is a t-2 upgrade?????also nos how well do the 12a like it??
Check out the faq page(at the top of the the forum) and the search button. They are very useful. Welcome to the forum.
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Old Sep 27, 2006 | 12:35 AM
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Welcome to the forum, and the Darkside.

I have one customer that get nearly 30 mpg on the highway, he's a very conservative driver. Normal driving will yield mid 20's highway, 18 city.

For further reading, check out my sig line for links.
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Old Sep 27, 2006 | 12:36 AM
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Small HP shots of NOS on a stock engine seem to last but a big hit on and old engine is a bad thing.
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Old Sep 27, 2006 | 01:36 AM
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so ok..how can i figure if the omp is working how it should????this is a headache already lol
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Old Sep 27, 2006 | 10:08 AM
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The T-2 or TII upgrade is short for Turbo II which is a motor out of the later model FC Rx-7, more power, displacement, fuel injection, and a turbo, people like the swap you could say.
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Old Sep 27, 2006 | 03:53 PM
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yea whwn i first heard rats next i was like wtf..i seen all these people say they removed their rats nest an i was like damn all those cars hada rats nest damn!
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Old Sep 27, 2006 | 04:33 PM
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Originally Posted by tony302
so ok..how can i figure if the omp is working how it should????this is a headache already lol
There is a volume test proceedure in the FSM. Section 2, the Lubrication System.
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