rotorhead82 on Instagram

Gabriel Corona

Stockton, Northern California, Mechanical Engineer...Gearhead. This is mainly a page of my projects, hobbies and interests. ๐Ÿ‡บ๐Ÿ‡ธ๐Ÿ‡ฒ๐Ÿ‡ฝ๐Ÿ‡ฎ๐Ÿ‡ฑ๐Ÿ‡ณ๐Ÿ‡ฑ๐Ÿ‡ง๐Ÿ‡ช

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@rotorhead82 photos and videos

Going for the first ride this year. Super nice weather. #californiaisthebest #ducatiscrambler #ducati #biker #weekendwarrior

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Some parts came in for part duex of the FD RX7 motor build. Banzai racing aluminum pulleys, replacement front plate, sakebomb garage IGN-1a ignition coils, a true HKS turbo filter from @affinismotorsports and the recommendation from @resuper7, and a free black anodized aluminum hand brake button from Banzai racing. That company was so nice that they gave me this free gift due to a mistake on my order. Too bad I have this button already... so I might give this one away. #rx7 #fd3s #mazdarx7 #mazdaspeed #mazda #rotarylife #rotaryengine #13brew #fdrx7 #gearhead #boost #sakebombgarage #tunercars #japanese #supercar #jdm #jdmgram #jdmlegends #jdmcars #hks

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Waiting for parts...so I refreshed the engine bay with a nice coat of VHT epoxy paint. #rebuildpartduex #wet #rattlecan #paint #fd3s #fdrx7 #rx7 #mazda #mazdarx7 #rotary #mazdaspeed #rotarylife #rotaryengine #13brew #vhtpaint #bodypaint #autobodypaint

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Pressure washed the engine bay in my garage lol. Not sure if I'll do that again even with the door open. It got a little messy lol. But at least I got to try out my new gas pressure washer (electric are for wussies who just use it to wash their BMWs and GTRs)๐Ÿ˜‚ jk to my buddies...you know who u are ๐Ÿ˜‚. Anyway, I'll prob prep to do some minor repaint of the bay while I wait on motor stuff and for some packages from Canada and the East coast ๐Ÿ˜‰๐Ÿ˜‹ #rx7 #fd3s #enginerebuildpart2 #mazdaspeed #mazdarx7 #13brew #rotarylife #rotary #welding #enginerebuild #tuner #apexi #greddy #hks #garrettturbo #gt35r #singleturbo #pressurewashing #pressurewasher #mazda #craftsman #japanese #supercar

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Just a preview of what is coming up for my build. So I decided to go a different route and not use my 12yr old GT35R turbo (which will be for sale soon). Talked to multiple companies from the west coast, the south and the east coast...but decided to go with a talented Canadian who's fabrication work and quality is incredibly impressive. Thanks to @gleaseman for taking my call and answering all my technical questions. I highly suggest taking a look at his IG page @gleaseman and website (gleasemanufacturing.com). Incredible work! I can't wait for my BorgWarner EFR 8374 EWG. And I totally agree with him, even though having an IWG is nice because its quiet in the streets it might have boost creep issues with my motor build. So two external 40mm wastegates for the win....๐Ÿ˜Ž #rx7 #weldingporn #tigwelding #canadian #quality #fd3s #mazdaspeed #mazdarx7 #13brew #rotary #rotaryengine #japanese #supercar #jdm #jdmgram #jdmlegends #jdmcars #norcal #california #tuner #borgwarner #efrturbo #weldporn

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Right before I took her apart. Even with most of the corner seals blown and a manifold exhaust leak, it was amazing how this rotary was running so well (except cold starts sucked) and still had power... Lol. #rx7 #fd3s #mazdarx7 #mazdaspeed #rotary #13brew #singleturbo #stance #japanese #supercar #jdm #jdmgram #jdmlegends #jdmcars

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At Turbohoses R&D (which is near my work) so they can fix my rx7 turbo manifold. The owner also has an FD! And he tunes them in his dyno...,nice :) #noble #nsx #fd3s #rx7 at TurboHoses R&D

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Well...its a bit worse than I thought. My budget rebuild didnt last that long. ๐Ÿ˜‚๐Ÿ˜‚ Main compression failure were the side corner seals which 4 of 6 seals broke on each rotor. Even though I clearanced the side seals to spec, I think I should've increased the tolerance because I was pushing higher than stock boost i.e. hotter engine temps, more thermal expansion which caused side seals to push on the corner seals to fail. Hmm...ok noted. Lol. Next, looks like the rotor bearings are done...like really done. Although the E-shaft looks great still...I wont know until I run a dial indicator to check run-out. Next, the Iron side plates look a little worn and have a small step lip which you can feel. Again, I'll check it with the indicator. Rotor housings...well, I expected for them to be scored/scratched due to my choice of very hard RA apex super seals. Although the seals are in great condition... they are killing these housings. They are probably salvageable if I resurface them... but not sure. My mistake for not researching apex seals. Overall this motor looks very tired. I'll be in contact with some rotary experts in the next few days to figure out options (Pettit racing, IRperformance, Mazdatrix, Socal rotary shops etc). Although this was a failure...I'm learning and having fun ๐Ÿ˜๐Ÿค“. #youliveandlearn #fd3s #rx7 #mazdaspeed #gt35r #singleturbo #workmeisterm13p #fortuneauto #workwheels #greddy #hks #garrettturbo #gt35r #singleturbo #mazda #rotarylife #rotaryengine

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Some beer tasting, foozeball and reminiscing of the good old times. #toocoldtobbqoutside #nickdiazpose #family #cousins #brother #foozeball #stocktonca #charmingca at Charming CA

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Ughhhh....so more careful inspection of the manifold were some weird hot spots and discoloration and a small crack. I'm not going to wrap this manifold again...I'd rather ceramic coat it. #timeforsomewelding #garrettturbo #gt35r #ballbearingturbo #fd3s #rx7 #mazdarx7 #rotary #mazdaspeed #rotarylife #rotaryengine #13brew #fdrx7 #gearhead #boost #bootyfordays

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Two days, two hours per day after work...no problem...motor is ready to be pulled out. I'm getting too good at this ๐Ÿคฃ๐Ÿคฃ. #fd3s #rx7 #mazdarx7 #rotary #mazdaspeed #rotarylife #rotaryengine #13brew #fdrx7 #gearhead #norcal #california #jdm #jdmgram #jdmlegends #jdmcars #japanese #supercar

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She'll be out of commission for a few weeks. Gonna replace crappy apex seal springs and change out RA super seals with E&J apex seals. Why? Because I want better compression numbers, alleviate hard starts, and I want to get better horsepower numbers too ๐Ÿ˜‰ #fd3s #mazda #rx7 #rotary #mazdaspeed #rotarylife #rotaryengine #13brew #apexseals #workmeisterm1 #workwheels #workmeisterm1 #stance #sparco #japanese #supercar #jdm #jdmgram #jdmlegends #norcal #greddy #hks #garrettturbo #gt35r #singleturbo #sakebombgarage #garagelifetuned at Stockton, California

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Who the hell is Tom Brady? LoL. Literally how I feel with foozball. #superbowl #dontcare #borinaf #becauseracecar #fd3s #rx7 #wrx

3

New battery jump starter to carry with me in my daily and in the FD. This is much better quality than the old $60 China-brand I had that actually didn't work when I needed it too. No need to recharge it for 6mos. #jumpstarter #gadgets #gadgetsandgizmos

2

Attending the University of the Pacific's 60th Distinguished Alumni Awards for 5 recipients this year including my uncle Jose Hernandez for receiving the Medallion of Excellence. Great night. Thanks for @universityofthepacific @pacificalumni for this event. My uncle, brother and myself are UOP alumni. My brother from the College of the Pacific -Athletic Training-2018, my uncle from the School of Engineering and Computer Science-Electrical Engineering-1984, and myself from from the same school-Mechanical Engineering-2009. Great successful night! #UOP #Pacificalumni #engineering #athletictraining #givingback at The River Mill, French Camp

1

Well....it finally happened 2 weeks ago. I have sinned and the car Gods frowned when I scraped and curb rashed my rear Work Meister M1 wheel. I'm sure a car angel lost their wings because of this lol... but thanks to John from Autosport209 and his expertise...he was able to repair the lip and save me hundreds in buying a new lip, barrel or almost $1,000 on a wheel. Took it to him a week ago and by the time I came back from work travel he had it done. Barely noticeable now but better than buying a lip barrel or whole wheel and waiting 3-6months. I Definately recommend his shop for curb rash wheel repair beyond other cools stuff he does for car enthusiasts. Btw, that's his red Mk4 Supra ๐ŸคฉNone of that BMW/Toyota Mk5 Supra ๐Ÿ˜‚ @autosport209 #workwheels #3piecewheels #workmeister #fd3s #rx7 #supra #supramk4 #mazdarx7 #mazdaspeed #rotary #rotaryengine #rotarylife #13brew #northerncalifornia #norcal #stocktonca #hankook #rs4 at Autosport209.com

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