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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 12-28-2011, 08:23 PM   #31
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Originally Posted by Gravity Fed View Post
so any updates with this?
I yanked the engine out and am notching the oil pan as well as installing new mounts in an attempt to get the engine below the hood line, gonna try a smaller turbo and a better radiator set up. I'm rushing to finish before deals gap, hopefully this is the year I make it but we'll see






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Old 02-08-2012, 11:47 PM   #32
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engines back out





I went a different route less harmful to the motor, notched the cradle.

still needs finished welding then getting new engine mounts, nice thick rubber

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Old 02-22-2012, 01:45 AM   #33
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just needs engine mounts
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Old 02-22-2012, 12:38 PM   #34
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I bet it will handle better now.
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Old 02-22-2012, 01:45 PM   #35
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you should have put a triangle gusset in the corners to stiffen it up a bit plus it would make it stronger with all the TQ that a diesel puts out would be cheap insurance to make sure that the weld dont crack just my .02 cents there. Nice work other than that.
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Old 02-22-2012, 03:08 PM   #36
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you should have put a triangle gusset in the corners to stiffen it up a bit plus it would make it stronger with all the TQ that a diesel puts out would be cheap insurance to make sure that the weld dont crack just my .02 cents there. Nice work other than that.
i was going to do that but the clearance is too close where the oil filter sits, so instead i did a square on the bottom outside (the reason the base overhangs an inch on each side- can't really see it in the pics, hoping it acts the same way but we shall see-
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Old 02-24-2012, 02:31 PM   #37
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gotcha its hard to tell form the pic on the clearances you have going on. I would just make sure to watch it that it doesnt crack.
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Old 02-24-2012, 02:57 PM   #38
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gotcha its hard to tell form the pic on the clearances you have going on. I would just make sure to watch it that it doesnt crack.
well now i'm a little worried lol- better to reinforce it now while the engine is easily removable, do you think adding triangles on the back side would be as strong as in the middle? I can't fit anything into the actual space but might be able to squeeze them in behind
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Old 02-26-2012, 02:37 PM   #39
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yeah it should work fine, it would just have more weld area to hold it in place I mean you see what going on in there better than I can just find a spot that works and weld it in there.
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Old 02-26-2012, 05:26 PM   #40
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AWESOME!

I would love having a diesel as a backup engine in my fc for when the rotary needs repairs/ winter season.
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Old 02-26-2012, 10:15 PM   #41
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very nice ! im looking foward to finished post and tell us how it handles along with fuel ecomony .. / take that thing on a road trip and show it off !! you ll stun car show crowds !! ..... mentioning the mazda bloodlines will be plus// who knows you might get asked to make kits
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Old 03-14-2012, 11:13 AM   #42
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the new turbo, flanges are getting made this week




Its hard to tell but the engine is about 1cm below the hood line so the stock hood can now close and i won't have to drive around with a large hole anymore
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Old 03-23-2012, 04:09 PM   #43
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flanges for the new turbo manifold
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Old 03-23-2012, 08:47 PM   #44
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Sweet. Looking better and better!
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Old 04-14-2012, 08:20 AM   #45
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Haha! That is pure awesome! Can't imagine what people think when an RX-7 comes blazing through smelling diesel!
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