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> Rotary 914!, 200whp ; Prepping for Okteenerfest
gabeurgelles
post Jun 11 2015, 07:01 PM
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I recently purchased a 73' 914 with a Mazda 13b already swapped into it. I am the second owner of the car, previous owner was from Arizona. It has NO RUST at all and the swap was done properly. The motor mount and radiator frame were both very well done. As well as the plumbing from the radiator to the engine. The car also has an interesting exhaust system, which I found out although it looked cool, was not the right type of exhaust for the rotary. The passenger side rear brake caliper bleeder was broken. The swap was never completed and the car never drove under rotary power. The only thing left was fabricating a new shift linkage, since the old one would go right through the oil pan.

I bought the car purely for the condition of the body and wasnt really counting on a good engine or transmission but after messing around with it in the garage I got it running. I discovered the engine was streetported and in decent condition. The engine only had hours on it from the rebuild but it suffered from sitting for all that time.
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gabeurgelles
post Jun 11 2015, 07:03 PM
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gabeurgelles
post Jun 11 2015, 07:04 PM
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db9146
post Jun 11 2015, 07:10 PM
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I was given a ride in a 914 with a stock F.I. 13B rotary and it was great. The "rev-ability" of the engine really suited the gearing of the 901 and the car was quick. I really liked it. One of my favorite 914 conversions.
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76-914
post Jun 11 2015, 07:16 PM
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There are a couple of others here that have a rotary conversion. They're peppy at higher rev's. I won't say gas hog because everyone of us that does a conversion could give a rat's ass about MPG. (IMG:style_emoticons/default/lol-2.gif) Post pic's of your progress.
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Rotary'14
post Jun 11 2015, 07:31 PM
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(IMG:style_emoticons/default/welcome.png)

Nice to have another running rotary around! Well it was running,,, (IMG:style_emoticons/default/biggrin.gif) Yours is really clean.

after you get the carb rebuilt and put back in,,,, be sure to keep an eye on the temp guages. Although your cooling system looks sound,, you have to make sure it can handle it. And really watch out on hot days.

Nothing revs quite like a rotary,, and a street port revs and pulls strongly up to 8.5k!
I think you have a good combination.

-Robert
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Mueller
post Jun 11 2015, 07:47 PM
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Nice car...never driven a rotary..been stuck behind a few at Thunderhill...so glad I was in something that could pass them so I didn't have to suffer with all that noise they make! hahaha

INB4 Mike Bellis (IMG:style_emoticons/default/smile.gif)
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Mike Bellis
post Jun 11 2015, 08:36 PM
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QUOTE(Mueller @ Jun 11 2015, 06:47 PM) *

INB4 Mike Bellis (IMG:style_emoticons/default/smile.gif)

(IMG:style_emoticons/default/unsure.gif)


I've blown up enough rotaries. I'm sticking with the Audi... (IMG:style_emoticons/default/shades.gif)

Post some more pics of the radiator setup. Rotaries run hot when flogged.
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GeorgeRud
post Jun 11 2015, 09:33 PM
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My friend won the IMSA RS Championship back in the day with a rotary Mazda RX2, so we had a lot of fun running the rotaries. My ears have never recovered from the noise of an unmuffled Wankel!

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PanelBilly
post Jun 11 2015, 09:52 PM
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How much did the car get chopped up for the conversion? Just wondering if you still have the option of sticking an aircooled engine back in, if the rotary conversion gets to be too much of a headache. The car looks pretty nice.
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Andyrew
post Jun 11 2015, 11:38 PM
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QUOTE(Mike Bellis @ Jun 11 2015, 07:36 PM) *

QUOTE(Mueller @ Jun 11 2015, 06:47 PM) *

INB4 Mike Bellis (IMG:style_emoticons/default/smile.gif)

(IMG:style_emoticons/default/unsure.gif)


I've blown up enough rotaries. I'm sticking with the Audi... (IMG:style_emoticons/default/shades.gif)

Post some more pics of the radiator setup. Rotaries run hot when flogged.



Looks to me like its not shrouded. (IMG:style_emoticons/default/sad.gif)


But its fixable!!!
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Porschef
post Jun 12 2015, 06:16 AM
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I had an Rx7 in CA twenty something years ago, drove it cross country back to NY. Not great mileage around town but was pretty good on the highway. More than once with the music up I found myself in third at 75 or so, it was that smooth. The 8k redline made it very elastic... I'd think the 901 would work well with the 13b. Plus it's so darn small.

Piston engine goes boing boing boing

But the Mazda...
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gabeurgelles
post Jun 12 2015, 02:46 PM
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Since I got the car about a month ago, Ive fabricated the shift linkAttached ImageAttached Image
and rebuilt the engine because it was smoking A LOT.
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gabeurgelles
post Jun 12 2015, 02:57 PM
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I also had to add an oil cooler to help with the overheating issue. Made a scoop for it and mounted it in the front left corner of the engine bay area. Now I have to make a shroud for the radiator and then I'll be running nice and cool.Attached Image Attached ImageAttached Image
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gabeurgelles
post Jun 12 2015, 02:59 PM
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QUOTE(PanelBilly @ Jun 11 2015, 11:52 PM) *

How much did the car get chopped up for the conversion? Just wondering if you still have the option of sticking an aircooled engine back in, if the rotary conversion gets to be too much of a headache. The car looks pretty nice.


The front trunk has a nice big hole in it and the wheel wells have a slot for the air to escape. I don't think Ill be going air-cooled again unfortunately
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steuspeed
post Jun 12 2015, 03:55 PM
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Neat! (IMG:style_emoticons/default/popcorn[1].gif)
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KELTY360
post Jun 12 2015, 06:12 PM
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(IMG:style_emoticons/default/welcome.png)

Great color!
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Mike Bellis
post Jun 12 2015, 06:20 PM
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The boy has skills! (IMG:style_emoticons/default/smilie_pokal.gif)
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gabeurgelles
post Sep 21 2015, 06:59 PM
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So its been a while since I've updated this thread, but since then i,ve done so much. Fist off I ended up changing the whole radiator setup that it had when I bought it. The problem I was having was that not only was the engine overheating after a high way drive but the gas was boiling as well. This was due to the angle of the radiator and lack of shrouding. Since a figured this was not ideal I decided to switch to a bigger 2 row aluminum radiator and mount it differently.
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gabeurgelles
post Sep 21 2015, 07:03 PM
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I shrouded the back of the radiator so that the air can escape through the hole in the floor. And made a fan shroud for the twin fans.
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The radiator is flipped in this picture, the fans pull, not push!
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