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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   #1
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   #2
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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   #3
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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   #4
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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
539787_4274371228248_318056720_n.jpg

more to come...
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Old 10-03-2012, 10:53 PM   #5
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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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