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Old 08-22-04, 12:13 AM
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engine swap

hey everyone i just got sponsored to make my rx7 into a racer/showcar....the first thing that i wanted to do to the car was to remove my 12a engine and drop in a 13b sp with a blow-thru turbo....ill stick with the carb unless its bettter to go fuel injected.....also i wanted to know if i need to purchase a tranny, or can i just upgrade the clutch and flywheel on the 12a......money really isnt goin to be a thing so if anybody has any suggestions as to crazy modifications or upgrades just shoot

im goin to keep posted the progress and the changes that i do to my rx7 as it goes thru its customization and complete rebuild...also if anybody has items for sale just tell me what u got and ill reply with what i can and cannot use....thanks for any advice

parker
Old 08-22-04, 03:48 AM
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A chrome and/or gold carb would be great for classic muscle car shows. However, if you intend to enter this car in import shows, you will need to use high-tech devices, which means the fanciest fuel injection system that you can find. The Wolf3D has a show-ready hand controller, and the new Motec M400 would also be impressive due to the name brand. Motec has additional advantages in that the Motec ADL and steering wheel unit (Momo or Sparco) would look pretty good in the cockpit, and the Motec exhaust was featured in The Fast and the Furious. The Electromotive EMS has a nice-looking coil pack, and Microtech offers a big display screen for their EMS. I can't think of any other show items off hand, but I'm sure I missed some.

The stock transmission will work just fine for getting the car on and off the transporter. In fact, the car doesn't even need to run, so you can gut the transmission or remove it and mount the shifter assembly to the car for looks, which would make the car lighter if you intend to push it. Otherwise, if money really isn't going to be a "thing", then I suggest either a G-Force or Hewland transmission, depending on whether you intend to make it look like a drag car or a road race car.

Here is a good example of an RX-7 show car so you can get some ideas. Note the extensive use of Motec engine management components, which pertains to your original question.
http://www.evil7.com/
Old 08-22-04, 07:37 AM
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hey thanks for all the info.....im really thinking of having a custom engine built and painted red and black...and then im goin to chrome the rest of the engine and prolly leave it carbed and just have a chrome carb on top.....then im going to add an engine dress kit to match the interior of the car.....and all other hoses will be replaced as well.....

my enterior is getting done all momo: seats, seatbelts, pedals, floormats, shift ****, shift boot, i want to stick momo b/c i already have the momo steering wheel so just to keep the momo flow.....and im going to be installing a custom fiberglass subwoofer inclosure in the trunk with 1 or 2 jl 12w7's and 2 amps.....also im putting lambo doors and shaving the door handles.....if u think im missing anything thats going to really be a head turner just yell at me.....im hoping to be able to bring the car to sevenstock before the modifications so that i can show it a little and get some other rotary-holics opinions of what they think would be good ideas.......

thanks, parker

Last edited by nopiston_racer; 08-22-04 at 07:39 AM.
Old 08-22-04, 09:57 PM
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OK, but just keep in mind that anybody born after 1970 is going to scoff at the carburetor. I guess it's easy to change that out later, though, if you get too many complaints.

The Lambo type doors are going to be a major pain, but they would be unique. BTW, most people shave the body trim along with the door handles.

I also like Momo products, which are found in both of my cars.
Old 08-27-04, 05:43 AM
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if monwy is no object, i'd get the racing beat aluminum side housings and peripheral ported rotor housings. get it all polished and that would be a sexy looking engine--not to mention powerful (which you probably don't care about if it's a show car), but it couldn't hurt.

i ot a pretty good hookup on the good silicone vacuum line. lemme know if you want any help--sounds like a fun PJ
Old 08-27-04, 10:00 PM
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yo thx for the advice....but im really thinking of making it racing and show....so i do want power but the peripheral port is way too much of a port for a daily driver...thats y i want to stick with the street port...thx for the ideas....and keep them coming

parker
Old 08-27-04, 10:41 PM
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Originally Posted by nopiston_racer
but im really thinking of making it racing and show
That is not possible. Choose one or the other, or your car will be a failure at both. The only combinations that work somewhat are show/street and race/street, although these combinations also involve a certain amount of compromise. If race is chosen, you then need to decide between drag race and road race, as these are two totally different setups.
Old 08-28-04, 12:55 AM
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im going with a street/road racig.....where i pretty much just race the local cars around town...and go to the races that are close to los angeles to win some cash.....when it comes to show im just going to put in a custom stereo system and a complete momo interior setup....i think its going to be possible for me to do both setups but right now i need to figure out which setup to do first

right now im thinking of next month putting in a stereo system and a new clutch b/c mine is going out.....then im going to probably start the engine swap and tranny swap....so im really going to try and start it next month and have most of it done

sad news is that i wont be at sevenstock b/c of the fact that this clutch is goin out and im not sure if i can order it on the 1st of september and have it in time to be installed and for me to make it the drive to the show......

thanks, parker
Old 08-28-04, 07:14 AM
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I think you are missing my point. How many road race cars have you seen winning cash at races while carting around 600 lbs of stereo equipment? No, The Fast and the Furious movies don't count. If you plan on street racing, which is illegal, you will get totally destroyed by the force inducted and fuel injected cars, and you run a large risk of getting injured and/or getting your car confiscated. FYI, road race means at a track like Sebring, not on the city streets. Road racing events are highly regulated, and there are many requirements for fuel systems, fire extinguishing systems, roll cages, engine limitations, etc. Here are two large road racing organizations where you can get regulations so that you do not make the mistake of adding an illegal modification to your car:
http://www.scca.org/
http://www.nasaproracing.com/

This is what a winning road race car looks like. Interior is not allowed due to safety regulations.
http://www.mazdatrix.com/faq/epconv.htm
Old 08-28-04, 10:19 AM
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im not goin all out racing .....what im making is a fast car for street racing....and maybe taking it to the track and running it a little bit there....im not putting a huge stereo system in the car....only 1 sub and 1 amp.....thats not goin to be 600lbs of stereo equipment.......what i want done for the most part is a rx7 that can smoke a dodge srt-4...but also be able to drive as a daily driver.....i know its goin to be hard to accomplish in some cases...but if i go with the 13b streetport and keep it carbed i think that i can take it b/c im putting the blow-thru turbo with a HKS intercooler and blow-off valve

parker
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