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Old 07-10-2019, 05:00 PM   #1
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Any rotary fans?

Gotta know if anybody on here is part of the rotary clique?

I've been doing the awful rotary life for about 8 years and I can't get out.

Here's my current problem in my driveway... 1984 Mazda RX7










Its a 6 port 13B with turbo ii rotors. I have an S4 Hitachi turbo making about 8 or 9 pounds of boost. I'm blowing through the original carburetor.

^^^ another words its a real redneck rocket.
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Old 07-11-2019, 02:52 AM   #2
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Nice! I used to race a '79 RX7 that was ported (as far as you could go without a bridge port), full headers/exhaust, and a stock carb with hogged out venturis. It was pretty fast and handled great on the straights, but was a lot of work to drive quickly in the turns. The brakes were way too small for the speed of the car, too. But I did love the engine!
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Old 07-11-2019, 02:32 PM   #3
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Garage
O yea, I love the B17 that occasionally circles over my house!
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Old 07-11-2019, 04:39 PM   #4
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Quote:
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Nice! I used to race a '79 RX7 that was ported (as far as you could go without a bridge port), full headers/exhaust, and a stock carb with hogged out venturis. It was pretty fast and handled great on the straights, but was a lot of work to drive quickly in the turns. The brakes were way too small for the speed of the car, too. But I did love the engine!

A '79 was my first. It had an Edelbrock 650 on a 6 port 13B. Awful car, but I didn't know how awful until I got my '84.

Mazda did some major upgrades in suspension and brakes between the years.


The rotary is a weird little engine. Its so quiet without any valve noises at idle; it just hums.
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Old 07-11-2019, 11:26 PM   #5
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O yea, I love the B17 that occasionally circles over my house!
A B17 with rotaries? Most of those had radial engines.
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Old 07-12-2019, 11:43 AM   #6
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A B17 with rotaries? Most of those had radial engines.
Yeah, big difference between Rotary and Radial engines.

I love the sound of radial engine. "There's no sound like a round!"
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Old 07-12-2019, 05:40 PM   #7
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B17 as in flying fortress?

Lots of rotary in aviation. I hear its mostly because in case of catastrophic engine failure the other rotors still operate.
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Old 07-13-2019, 12:23 PM   #8
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Haha I got out of blowing up rotaries years ago although I was a rotary kid in my early driving days. Probably had close to 20 of them... all started with an 83 GSL... then an 87 T2 etc. etc.... Sweet ass little cars. I'd like to have a nice 3rd gen... only problem is i'd end up LS swapping it
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Old 07-13-2019, 01:25 PM   #9
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Here is my '84 GSL-SE that I sold a few years back. It had a street-ported S5 6-port 13B, a Jenvey ITB system I made up, Electromotive TEC3 standalone, Racing Beat headers and exhaust, Racing Beat Springs, Tokico shocks, etc.
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Old 07-13-2019, 07:29 PM   #10
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Nice GSL-SE. What ignition coils were you using?
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Old Today, 07:11 AM   #11
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I have never owned a rotary or even been in one, but the inherent design has so many attributes. (compactness, low vibration, among others) They say it didn't catch on because of mileage, oil consumption and emissions, but with oil injection and the latest fuel injection systems I think it would be fine. It is inherently a better design than the reciprocating engine, but seems there is too much 'inertia' (tooling and investment) behind the reciprocating engine.
Pity.
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Old Today, 08:06 AM   #12
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I've been missing-out on this topic. Based on the thread title, I thought we were discussing these:

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