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Piston Engine Conversion Have you replaced your rotary with a V8 or any other type of piston engine? Tell us about it!


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Old 09-30-2012, 02:57 AM   #16
85turbo12a
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engine almost done, few cooling system and accessory belt problems to solve, the lower intake is done, modded it and the rails to accept the 42lb green tops i had for it, and modded rails to accept AN fittings -6 o-ring to -8 male.

once this is all together the fun begins with the plumbing of the car...its going to get really cramped in there very soon.....
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Old 09-30-2012, 03:05 AM   #17
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here is what the engine bay consists of now, i had to shim the Re-speed Xmember down 3/8, i also added a 1x2in tube to the bottom of the X and shortened the pan 1inch as stated before,

I added a 1 1/8 front swaybar, not exactly happy with its fitment...i hope to go to a tubular one at some point to shed a few pounds and they work nice.

here is some pics of the transmission adaptation, the only major modification to an existing part is that i had to change the bolt location on the flywheel, but i did so in a nice meaty place, I do not fear it, and even so I also have a scatter shield for it. (not shown)
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Old 09-30-2012, 03:10 AM   #18
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here is the transmission on the engine, i had to adapt a camry 1mzfe starter to fit the mazda bellhousing, i cant find a pic of it right now...its not super complicated though, its a gear reduced starter, the T2 started lacks the nuts for a v8.
377195_2747208770141_1648216225_n.jpg

here is the shifter relocation mod i had to do to move the engine back 4 inches and retain stock interior, only permanent mod to the trans itself was i had to cut off one ear of the original shifter housing boss on the tailhousing.
543535_3867503096799_1285364672_n.jpg
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Old 09-30-2012, 03:16 AM   #19
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offset bushings i made for the rack to lower it as much as possible
steering.jpg

front view with mock engine in final location
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more to come...
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Old 10-03-2012, 10:53 PM   #20
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timing belt installed, working on the new belt tensioning system, and making it all pretty, incidently strips of velcro mimic a serpentine belt pretty good for figuring out what you are going to do and how long the belt is going to be.

i have to dissect the stock spring tensioner...looks like that might be a dangerously amusing good time, then will mod/fab/machine accordingly and then i can put the darn thing in the car!!! then plumbing...yay....
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Old 10-04-2012, 11:06 AM   #21
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Coming along nicely, looking forward to see this finished.
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Old 10-08-2012, 09:56 PM   #22
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engine should be going in the car this week, nothing to show yet, will take pics as events unfold, plumbing starts soon....and dont we all just love doing that...
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Old 10-13-2012, 11:45 PM   #23
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engine is in the car, here are some pics of the various clearances, and just...well pics..still a long way to go, but every step counts.
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Old 10-30-2012, 10:26 PM   #24
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progress update, headers are fabbed and turbos hung in place to begin plumbing down pipes and intake piping, intake is bolted down now, just have to finish the throttle body and install it.

ill probably end up using a free standing IAC unit with a GM motor and billet housing so i can put it where i need to and run lines to it

still have to detail the underside of my hood before installing on car, then i can monitor clearances as i finish it out.
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Old 10-31-2012, 12:01 PM   #25
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I saw this car at DGRR with the 12a turbo, bring it next year with the V8 power!
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Old 10-31-2012, 08:23 PM   #26
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planning on it brother...been a long road and its not over yet, I am but a 1 man army on it, but that is the plan.

if everything is ship shape by mid feb and i can do some in-state runs for shakedown im driving it up to the gap, will be a hoot in the hills with the added grunt
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Old 11-01-2012, 10:17 PM   #27
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Old 11-04-2012, 12:30 AM   #28
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just some progress pics
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Old 11-05-2012, 09:50 PM   #29
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still waiting on parts to continue, as well as do the welding on the compressor housing mod and charge plumbing...stay tuned....
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Old 11-06-2012, 12:28 PM   #30
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Very nice build! I hope to see a video of it stating here soon.
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