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

79 Automatic-Hot or Not?

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Old 01-06-06, 07:18 PM
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79 Automatic-Hot or Not?

Hello All, I'm new here. Yesterday I bought this 79 at a salvage auction and have only seen these 2 pics of the car. It's got some collision damage and it's an automatic.Did these cars still perform well with the auto, or did the rotary lose too much of it's shine due to being equiped with an auto ? I don't even know if it runs yet but the tranny thing is what's burning in my head, go figure. $43.00 Canadian
Attached Thumbnails 79 Automatic-Hot or Not?-22.jpg   79 Automatic-Hot or Not?-getpic.jpg  
Old 01-06-06, 07:22 PM
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I would ask for my money back. Just kidding. I think. Welcome anyway. The auto's of couse did loose some performance. Looking for nastalgia or peformance???

Last edited by bad 83; 01-06-06 at 07:26 PM.
Old 01-06-06, 08:06 PM
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i don't know about automatics, but my 79 gs with an exhaust seems pretty darn hot to me. Always room for improvement though

The manual rx8 has about 30 more horsepower than the automatic one, but i don't know if thats an engine detune thing, or if it's a driveline thing. Get it running if it's not already, and find out!
Old 01-06-06, 08:49 PM
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Ive seen worse! Pretty good buy for 43 canadian! If I may say so myself
Old 01-06-06, 08:52 PM
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enjoy what you've got, move into a stick when you get the opportunity, you'll love the rotary but you'll love it with stick even more.
Old 01-06-06, 09:28 PM
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$43.00..not too shabby..but I think it may be flooded!..after the tune-up(cost..approx$6500),it should run like new!..playin with ya..good luck and welcome to rotary..
Old 01-06-06, 09:44 PM
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Sweet ride man. She looks like my baby when I first got her. Cept I got it for free.
She'll need some love and attention and will run your pockets for a bit but it'll be worth it in the end.

I also had an automatic but I converted to stick along with my new engine. All it takes is a bit of time, a hacksaw,a new shifter surround, and some patience and she'll be fine.

Happy Hunting and welcome to the forums
Old 01-06-06, 11:07 PM
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Originally Posted by rbf41182gt

The manual rx8 has about 30 more horsepower than the automatic one, but i don't know if thats an engine detune thing, or if it's a driveline thing. Get it running if it's not already, and find out!

The manual RX-8 uses a 6 port motor,and the automatic uses a 4 port motor.That is where the differences are.I think Mazd aplans on using a five or six speed auto pretty soon here in the US,and then the automatics will probably get the same motor as the manual.I think the lower output 4 port was used because the 4 speed autos were not up to the task of the higher redline 6 port motor with more horsepower.The funny thing is the auto cars have 5 more lb ft of torque than the manuals.Go figure.

Chris
former 04 base 6 speed Nordic green mica RX-8 owner
Old 01-07-06, 01:41 AM
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automatic

After you get the basics taken care of you could consider a 3000 rpm stall converter and a shift kit. It will make a huge difference in the launch. Your 1979 should have the 3 speed JATCO trans.
Dennis L. Cote
Old 01-07-06, 03:49 PM
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My '79 was also an auto. I converted it to a 5 speed, but will hang onto the original tranny since they only imported like 120 '79's with the auto...
Old 01-07-06, 03:59 PM
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Originally Posted by Mazdax605
The manual RX-8 uses a 6 port motor,and the automatic uses a 4 port motor.That is where the differences are.I think Mazd aplans on using a five or six speed auto pretty soon here in the US,and then the automatics will probably get the same motor as the manual.I think the lower output 4 port was used because the 4 speed autos were not up to the task of the higher redline 6 port motor with more horsepower.The funny thing is the auto cars have 5 more lb ft of torque than the manuals.Go figure.

Chris
former 04 base 6 speed Nordic green mica RX-8 owner

Its not that the auto wasnt up to the power... because if it wasnt the bigger torque numbers would kill it. Its that spinning a torque converter at 9k is FAST for a torque converter. Sorry to hijack. But I do think a 9k RPM auto would be kinda cool.

Good find though! Convert to a 5 speed... a bit fustrating but not impossible.




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