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Sr20det powered Rx-7? -Possible?
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Re: Sr20det powered Rx-7? -Possible?
Originally posted by Norcalidrifter
I recently picked up the modified magazine and It had a rx-7 with a sr20det engine in it. I heard people saying that rotor engines are hard to maintain, but I think we have a solution! I am just wondering if you guys think its easy to do or u need a real good technician to do this....
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the question of feasible? vs. why bother? comes to mind, If you build a rotary the RIGHT way then they can be as reliable or more reliable than a piston engine hp for hp, but the same can be said about just about any motor, if you treat it bad or do something half-a$$ then it's gonna blow up, plain and simple. Most people that build 7's never port the engine or add thicker apex seals or for godsakes replace the oil seals. They just throw a buncha mods at it and not even think about the internals ,or so I've read in almost every article that's written about a street driven RX7. then again I may just be talkin outta my a$$.
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No, good post, I am actually glad you posted this. You are exactly right. There arent many mods necessary in making a great rotary engine but you do have to use your brain. Almost any engine can be great, that is why I hate many swaps (especially like this), but you can't half a.. it....ever. Grooving the water jackets is smart too.
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Anything is possible with money. However, everyone that has owned a 7 will tell you that the rotary engine is a key signiture to an RX-7. Kinda like the anology: Mario Brothers is to Nintendo. When you hear a rotary come around the block, you know its a 7. No other engine hums like a rotary. Its like a pride thing; it sets you apart from the crowd. No longer are you known by your first name, but you are now known as a rotor-head!! You're one of a kind amongst most enthusiats. Isnt that special???
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Rotary accually qualifies as a religion...
I saw a picture one time of a tattoo that had a cross-section of a rotary in the guy's chest, and a intercooler on his stomach, with one turbo at each shoulder...
If you want an RX-7 but don't want to destroy a rotary engine and know piston engines, a SR20 RX wouldn't be a bad thing once you get past the blashpening part.
-MR
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Originally posted by Ghost of Duluth
Don't have specific weight figures on the SR BUT you can bolt in an LS1 and save 40lbs. So the Rotary isn't that light with the twins on it.
that i can probably see. Or else those turbos have to weight ALOT
granted your the rotary guy me. but im just trying to understand this.
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Everything in the above statements is true. It is very possible to build a nice, dependable rotary in an FD. But you won't be using twins and it will take some work and someone knowledgable to do it. See THAT is the main problem. Finding someone knowledgable that can do it for you. Rotaries are definatly a religion, more like a cult. As with all cults, they are not that widespread. So finding someone in say, armpit Arkansas to build you a Rotary when you find this killer deal on an FD is going to be nigh impossible. I lived in Atlanta and finding one there was semi-tough. There are some good places in Atlanta but I can only think of 2 right off the top of my head. So in a city the size of Atlanta, I can only think of 2. So that gives you an idea of everywhere else.
Most of you guys live in California, where Rotary folks are more plentiful. Here it has to be shipped a mimimum, of 300 miles to find a shop that is recognized. Sure there are people that have shops in their bakyards but to get someone big, it has to be shipped. Pettit comes to mind in Winter park Fla. Think they moved though.
But anyway, now maybe you see the mindset of someone who would build a hybrid. If I could buy an LS1, get it put in for less time, trouble and save weight, run higher numbers and get more reliability with an engine that I knew how to work on. You bet your rear end, I would do it. That's how 95% of the population thinks. Bubba from Stathem GA don't give 2 shakes of a sh!t about keeping that "Funny Rotor thingy" in that engine bay. All he see's is a car that looks like a "Vette" and he can put one of them thar "Rat Chevy's" in it and make it fast.
I subscribed to that school at one point too. Whatever made it fast was the way to go. Sacrifice everything to make it fast. Now though I have modified my train of thought. I want to keep my Rotary and therefore am going to attempt my rebuild myself. Hell, if I screw it up, I can always bolt an SR into it
Oh and the Twins are HEAVY. Not as heavy as you would think but with all the crap that goes with em, PORKER!!!
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