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

Disc brakes?

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Old 03-05-06 | 01:32 PM
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Disc brakes?

i am looking to buy a 1st gen rx-7 but i want all discs all around. if anyone knows what year did they start having disc brakes all around? thank you
Old 03-05-06 | 02:51 PM
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I'm not sure 1981 or 1982, a Google can help you with that.

Just look for either model GSL or GSL-SE
Old 03-05-06 | 02:59 PM
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They started having 4 disc's in 1981 on the GSL models

The GSL replaced the Leather sport model from 1980 and was eqipped with full disc brakes and LSD.

In 1984-85 they came out with a GSL-SE that was equipped with a 13b FI engine. This model also had Full disc's

Matt|ttaM

Hope that helps!
Old 03-05-06 | 04:07 PM
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GSL or GSL-SE as said, you also get LSD with these options.
Old 03-05-06 | 05:58 PM
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do saying that it has a lsd then that means when lets say i do a burnout both wheels with turn?
Old 03-05-06 | 06:08 PM
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yep, and thats the one and only advantage that it gives


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Old 03-05-06 | 06:18 PM
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now was that a standard option?
Old 03-05-06 | 06:19 PM
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only came on the gsl ans gsl-se
Old 03-05-06 | 06:21 PM
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alright cool another up
Old 03-07-06 | 10:02 AM
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Buying?

stick to the SE if your looking to buy. When you get ready to start your upgrades and MODS you have more options.
Old 03-07-06 | 10:50 AM
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Originally Posted by rbf41182gt
yep, and thats the one and only advantage that it gives


-
Unless you actually drive it like a performance car.....LSD gives you better push out of a corner, more grip at all times that you have traction, is more fun in the wet/snow (also harder to drive in these conditions so practice) LSD helps you accelerate through a rough section of tarmac by not allowing the driven wheel to hop and spin as it bounces over undulations.

No real performance driver wants an open diff, spinning one wheel as you try to power down out of a corner is slow and no fun. Companies who agree with the advantages include BMW, Lotus, Porsche, Ferrari, McLaren. Try and find a road race car that doesn't have LSD.

In fact the LSD is a bigger advantage than the disc brakes.
Old 03-07-06 | 10:55 AM
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Originally Posted by aussiesmg
Unless you actually drive it like a performance car.....LSD gives you better push out of a corner, more grip at all times that you have traction, is more fun in the wet/snow (also harder to drive in these conditions so practice) LSD helps you accelerate through a rough section of tarmac by not allowing the driven wheel to hop and spin as it bounces over undulations.

No real performance driver wants an open diff, spinning one wheel as you try to power down out of a corner is slow and no fun. Companies who agree with the advantages include BMW, Lotus, Porsche, Ferrari, McLaren. Try and find a road race car that doesn't have LSD.

In fact the LSD is a bigger advantage than the disc brakes.

Depends on what you call a road race car but the new mustangs have just a live axle
Old 03-07-06 | 10:58 AM
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Originally Posted by Rotor Nut
Depends on what you call a road race car but the new mustangs have just a live axle
Live axle is the housing, LSD is the pumpkin, not the same thing. Performance Mustangs have LSD.
Old 03-07-06 | 11:00 AM
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Originally Posted by aussiesmg
Live axle is the housing, LSD is the pumpkin, not the same thing. Performance Mustangs have LSD.
Ah, thanks for the correction
Old 03-07-06 | 11:05 AM
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No problem,

Live axle is alternative for independant rear suspension.
Old 03-07-06 | 11:29 AM
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Interesting note on the Lotus Elise: The suspension was designed around an open diff, and apparently when you get the LSD option the car is about a second slower around a 60 second autocross course (GRM's test course for the record)
Old 03-07-06 | 11:31 AM
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lol, aussie!

i was only joking.
Old 03-07-06 | 11:32 AM
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Originally Posted by Kingbob
Interesting note on the Lotus Elise: The suspension was designed around an open diff, and apparently when you get the LSD option the car is about a second slower around a 60 second autocross course (GRM's test course for the record)
i think that's also because that an LSD causes a little understeer in tight corners
Old 03-07-06 | 03:42 PM
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Correct and because its a mid mounted engine which provokes understeer at the limit, and lSD actually makes it understeer more. in this case. The exception to the rule, our FBs are somewhat more basic in design than an Elise though.
Old 03-07-06 | 03:42 PM
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Correct and because its a mid mounted engine which provokes understeer at the limit, and LSD actually makes it understeer more. in this case. The exception to the rule, our FBs are somewhat more basic in design than an Elise though.
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