evildky
Classic Z Moderator
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11519 posts
71 240ZT, 87 300ZXN/A-T, 91 300ZXTT
Louisville KY
1-31-2004
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if you are confortable rebuilding rotaries and constantly mopping upp leaking oil be all means put int he rotary  seriously, rotaries can make big power but they do tend to be leaky and not known for their lonjevity by the way, the VG, CA, KA and SR are all fairly common swaps for the dime,and are traditional piston engines that you can have serviced at any shop. many shops will nto work on rotaries
"if I had all the money I ever spent on cars........I'd spend it all on cars"S30: "The Rusty Mistress" stripped bare and getting rebuilt from the ground up,
Z31: 315 whp 416 lbft, going back to the GRM $2009 challenge
Z32: now with sport 500's! For Sale
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breadbox
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2349 posts
Red 89 240sx,Black 89 Koop, White 84 720 4x4KC
Va Bch VA
10-17-2006
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| « Re: (evildky) | 7:51 AM 6/24/2009 |
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Go ka or Lseries.
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djaztek12
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12 posts
1969 nissan datsun 510 wagon
lake elsinore ca
6-14-2009
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| « for all the critics | 2:49 PM 7/9/2009 |
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the rotary swap is coming along real good nice and, clean i will take plenty of pictures when its done. the swap was no big deal, it was easier the i though
p.s sorry for the spelling? lol lol
 
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ravera
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123 posts
1971 Datsun 240Z
Jasper IN
7-6-2009
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| « Re: for all the critics (djaztek12) | 10:40 PM 7/9/2009 |
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people only run into problems with rotarys when they treat them like piston engines. The first thing someone needs to do when they get a rotary is throw out the piston mindset and start from scratch. It has to be built different, treated different, and tuned different. I know a few guys running stock S4 rotaries that have over 250k on their 13b and are still showing 120psi on all 3 faces of each rotor. Just remember
BIG oil cooler (rotaries expel 1/3 of the entire engine heat through the oil)
keep lots of oil pressure
keep the oil jets supplied with oil or pre-mix your gas
run them rich
Redline them at least once a week... this doesn't sound normal for any engine, but if you don't beat the $hit out of them at least once a week carbon will build on the seals and you can throw reliability out the window. Congrats on the Rotary Dime... go embarrass some piston engines 
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djaztek12
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12 posts
1969 nissan datsun 510 wagon
lake elsinore ca
6-14-2009
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| « Re: for all the critics (ravera) | 10:56 AM 7/10/2009 |
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finally someone with good feedback .here are some pictures of the project, so you could see im not BS, is still not done. just take that in mine before you criticize me,and work. also im not a mechanic just a guy that likes own cars, and this is my first 510 project only major part of this project was to cut and flip and re-weld the crossmember, make the front motor mount ,and also the tranny mount. is almost there, just need a couple of more detail. I will post a link of the progress
http://s928.photobucket.com/albums/ad121/alexruano/
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ravera
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123 posts
1971 Datsun 240Z
Jasper IN
7-6-2009
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| « Re: for all the critics (djaztek12) | 3:25 PM 7/10/2009 |
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Looks like it's coming along Great! Though I will say the weak point to any pre-FD rotary (no it's not the rotors, pfft) is the ignition system. The distributor idea just doesn't pan out as reliably on a rotary as on a piston engine. Some people like them, but I'd say at least visit a few RX-7 sites and look around for some options. With only 2 rotors it's usually fairly simple.
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djaztek12
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12 posts
1969 nissan datsun 510 wagon
lake elsinore ca
6-14-2009
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| « Re: for all the critics (ravera) | 6:57 PM 7/10/2009 |
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ok thanks i will do that 
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djaztek12
Offline
12 posts
1969 nissan datsun 510 wagon
lake elsinore ca
6-14-2009
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| « Re: for all the critics (djaztek12) | 11:22 AM 10/31/2009 |
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updates i got updates
   yep is getting there.
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