2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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GXL vs. GTU

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Old 10-31-06, 12:44 PM
  #26  
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to answer your question, Yeah. GXL's came standard with 5 lug.

I was lucky to get mine in the condition its in. It was well taken care of its whole life and im the third owner, with the first and second owners knowing each other. It's up there at 140,000 miles, but she still pulls strong. GXL's are great models, i highly recommend them.

Last edited by Tyblat; 10-31-06 at 12:46 PM. Reason: addes stuff
Old 10-31-06, 01:56 PM
  #27  
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Except when the A.A.S. breaks, the power steering starts leaking, the A/C dies, the sunroof sticks, the power windows go out, alarm stops working right, illuminated keyhole quit years ago, ultra-plush carpet is filthy and your once beautiful GXL Alloys get pitted...

Yeah, the GXL is the best N/A model in my opinion. Luxury....at a price.
Old 10-31-06, 02:04 PM
  #28  
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well, i mostly right could have sworn i read about the gearing being different somewhere.... but the power steering is still different, and the aero package

"To commemorate this amazing victory, Mazda entered into the Rx7 line-up the GTU model which was made the new Sports Package. This model contained bigger brakes, variable-assist power steering, stiffer suspension, sportier seats, sportier side view mirrors, and a redesigned rear spoiler. The spoiler was a wrap around type with 2 pedestals in the middle....this replaced the earlier aero kit. The spoiler was made standard on the Turbo II. "
Old 10-31-06, 02:17 PM
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Originally Posted by vipers
well, i mostly right could have sworn i read about the gearing being different somewhere.... but the power steering is still different, and the aero package

"To commemorate this amazing victory, Mazda entered into the Rx7 line-up the GTU model which was made the new Sports Package. This model contained bigger brakes, variable-assist power steering, stiffer suspension, sportier seats, sportier side view mirrors, and a redesigned rear spoiler. The spoiler was a wrap around type with 2 pedestals in the middle....this replaced the earlier aero kit. The spoiler was made standard on the Turbo II. "
All S4 models that had power steering, had speed varible power steering. The GTU models ratio was the same as any other power steering equipped S4 model.

The suspension differences were the same ones that the Turbo and Sport had... stiffer shock valving. They sport suspension was basicly the same shocks as the KYB aftermarket non adjustable suspension

Last edited by Icemark; 10-31-06 at 02:32 PM.
Old 10-31-06, 05:53 PM
  #30  
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Originally Posted by Rotarctica
Except when the A.A.S. breaks, the power steering starts leaking, the A/C dies, the sunroof sticks, the power windows go out, alarm stops working right, illuminated keyhole quit years ago, ultra-plush carpet is filthy and your once beautiful GXL Alloys get pitted...
Whatca expect for a 20yo car
Old 10-31-06, 06:59 PM
  #31  
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Originally Posted by Rotarctica
I drive an S4 GXL and love it. I wouldn't trade my power windows, Automatic Suspension or any of those other special little features for a GTU!

...might take a Turbo, though, if it were in as good of condition...possibly...maybe not...
Everyone I knowdoesn't exactly like the auto windows because by now they've broken or needed to be rewired,cleaned,etc.
Autosuspension....should be useless by now if not replaced. Adjustable shocks are a gimmic for most people anyway.

Me luvs my manual windows. :P
Old 10-31-06, 07:49 PM
  #32  
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Originally Posted by inflatablepets
Whatca expect for a 20yo car
Well all of my GXL's equipment works...'cept the variable speed fan, which only works on high...
Old 10-31-06, 07:50 PM
  #33  
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Originally Posted by Digi7ech
Everyone I knowdoesn't exactly like the auto windows because by now they've broken or needed to be rewired,cleaned,etc.
Autosuspension....should be useless by now if not replaced. Adjustable shocks are a gimmic for most people anyway.

Me luvs my manual windows. :P
My windows work, so I'm not complaining.

A.A.S. is handy. Softer ride until you need/want to shatter your spine. So no, it's not a gimmick. The system DOES work, regardless of what you may think.

Manual windows are good for one reason: You can roll them up and down with nothing but good, old fashioned hand power...and not your battery...
Old 10-31-06, 09:32 PM
  #34  
whats going on?

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Originally Posted by Icemark
No he doesn't.

The 88 GTU (S4 came) with 5 lug wheels. The only S4 models to have single piston front brakes came with 4 lug wheels.

So either he has a base model 88 SE or he has a 89 (S5).

But he does not have a 88 GTU.

Man I don't get why everyone is being stupied in this thread. There was no special gearing on the 88 GTU. The 88 GTU uses the same brakes as all other non base models (like the GXL, Sport, GTUs (note the small S), the Turbo, the convertibles.

This is all covered in the WHAT DID MY CAR COME WITH STICKY THREAD found at the top of this section.

Stop posting BS people!

The only difference between the 88 GTU and the 88 GXL was that the GXL had power windows, addustible suspension, a sunroof (which was optional on the 88 GTU) and slightly nicer interior, while the GTU had the S4 aero kit.

There were not differences in brakes, gearing, engine, or even springs.
no. his is an s4 gtu, 5 lug with sun roof, manual windows, and power mirrors. s4 engine with s4 vin. and two piston brakes. all of it is factory.
Old 10-31-06, 10:08 PM
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Stop arguing with Icemark...
Old 10-31-06, 10:09 PM
  #36  
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Originally Posted by Rotarctica
Except when the A.A.S. breaks, the power steering starts leaking, the A/C dies, the sunroof sticks, the power windows go out, alarm stops working right, illuminated keyhole quit years ago, ultra-plush carpet is filthy and your once beautiful GXL Alloys get pitted...

Yeah, the GXL is the best N/A model in my opinion. Luxury....at a price.

My GXL is 19 years old. The A.A.S. still works, Power Steering has a slight leak, Ac works perfectly, Sunroof needs greasing, power windows both work great. and my carpet and rims look great as well. Its not about the car, it's about how you treat it to keep it working that way =).

As for an alarm, I'm not sure if that was an option from the factory or not, mine doesn't have one.
Old 10-31-06, 10:16 PM
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All GXL's have Alarms...at least the S4. If you have an orange security light behind the A.A.S. controls, you've got an alarm.
Old 10-31-06, 10:25 PM
  #38  
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if you mean security alarms I don't have any, if you mean idiot cluster alarms sure, that thing goes off all the time. My A.A.S works, not that it much to begin with, power steering's not leaking, AC works fine, sunroof works fine needs a bit greasing too, luminated keyhole's still constantly on, windows still work, only problem is radio attenna's been taken out so need to get that replaced, but taht's not a GXL problem. I like my luxuries, and as always, if I needed more speed, there's always the TII or 20b. They're only a hassle when they break, but that can be said about everything, if you don't want your engine to break, why don't you just bike everywhere?
Old 10-31-06, 10:27 PM
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Edit: I apologize, I was wrong about that. It WAS optional...I guess I've just never seen a GXL without the Alarm System installed.
Old 10-31-06, 10:37 PM
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Originally Posted by SirCygnus
no. his is an s4 gtu, 5 lug with sun roof, manual windows, and power mirrors. s4 engine with s4 vin. and two piston brakes. all of it is factory.
You should stop posting, you are embarrassing yourself.


There is no such thing as two piston brakes in a Mazda.

Perhaps you do not understand how the brakes work.

There are two pistons PER SIDE OF THE CALIPER.

For those mathematically challenged that means 4 pistons per front wheel. Hence the term "Four Piston Brakes"
Old 10-31-06, 10:40 PM
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lmfao...you can't tell Icemark...Icemark tells YOU...
Old 11-01-06, 12:57 AM
  #42  
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Hahahaha.
Old 11-01-06, 07:01 AM
  #43  
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Originally Posted by Icemark
No! the only differnece is 5th gear ratio between the 88 and 87 non turbo trannies
What is the difference?

Mazdatrix shows that the 87-88 N/A tranny's are identical.

87-88 RX7 Non-Turbo
1st 3.475
2nd 2.002
3rd 1.366
4th 1.000
5th 0.697
Old 11-01-06, 09:08 AM
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Originally Posted by My5ABaby
What is the difference?

Mazdatrix shows that the 87-88 N/A tranny's are identical.

87-88 RX7 Non-Turbo
1st 3.475
2nd 2.002
3rd 1.366
4th 1.000
5th 0.697
Well, if you consider the S4 'Vert as part of N/A comparison, note the brochure shows 5th for the 'Vert as 0.711 versus the Coupe at 0.697
Old 11-01-06, 09:50 AM
  #45  
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Originally Posted by My5ABaby
What is the difference?

Mazdatrix shows that the 87-88 N/A tranny's are identical.

87-88 RX7 Non-Turbo
1st 3.475
2nd 2.002
3rd 1.366
4th 1.000
5th 0.697
Go read the standard features and options thread found at the top of this section.

Mazdatrix, occasionally misses things... for example (I don't know if they fixed it yet) but they had the clock surrounds wrong too The change for the clock warning panel was for 88 not 89 (they called it S4 vs S5)
Old 11-01-06, 09:51 AM
  #46  
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so as far as "sporty" N/A's go (better brakes and suspension), the progression was..

Sport -> S4 GTU -> GTUs

?
Old 11-01-06, 10:29 AM
  #47  
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Originally Posted by Icemark
No! the only differnece is 5th gear ratio between the 88 and 87 non turbo trannies
Originally Posted by Icemark
Go read the standard features and options thread found at the top of this section.

Mazdatrix, occasionally misses things... for example (I don't know if they fixed it yet) but they had the clock surrounds wrong too The change for the clock warning panel was for 88 not 89 (they called it S4 vs S5)
Ok, so...

86-87 = .711

87.5-88 = .697 (except convertible)
Old 11-01-06, 08:59 PM
  #48  
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Aluminum hood was optional on an 88 GTU. Mine doesn't have one, although I have one sitting in the garage to go on there (provided that I can find a transmission for it now).
Old 11-01-06, 09:05 PM
  #49  
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Originally Posted by arghx
Aluminum hood was optional on an 88 GTU. Mine doesn't have one, although I have one sitting in the garage to go on there (provided that I can find a transmission for it now).
not an option.

Simple production illregularities.

Never was an option. Some randomly came with it, some didn't... but never an option.

Stop posting BS in this thread people!
Old 11-01-06, 10:40 PM
  #50  
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Originally Posted by Icemark
You should stop posting, you are embarrassing yourself.


There is no such thing as two piston brakes in a Mazda.

Perhaps you do not understand how the brakes work.

There are two pistons PER SIDE OF THE CALIPER.

For those mathematically challenged that means 4 pistons per front wheel. Hence the term "Four Piston Brakes"
i ment single. lol. o well... o well... maybee the previous owner did a hack job. my last rx7 was the most mastardized hack job known to man.


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