Guest Anonymous Posted May 13, 2002 Share Posted May 13, 2002 Could someone help me by providing pics of the z-car irs? I'd prefer the 260-280 Z/ZX. I'm trying to get some research done on a possible swap into an early Mustang. Thanks in advance. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted May 13, 2002 Share Posted May 13, 2002 Is there any particular years/models that are considered better than others for use behind a V8? Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted May 13, 2002 Share Posted May 13, 2002 280 Z or 280 ZX. The 280 Z has the motor mounts and conversion parts readily available. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted May 13, 2002 Share Posted May 13, 2002 I didn't make myself clear perhaps. I'm wanting to see if the Datsun IRS is a viable swap into a '66 Mustang chassis. Quote Link to comment Share on other sites More sharing options...
blueovalz Posted May 13, 2002 Share Posted May 13, 2002 Thats a new twist. An Anti-hybridz. Just make sure the two (hybridz & anti-hybridz) don't occupy the same space and time. Have you considered instead a T-bird or Couger IRS rear. And if you want a Nissan, then perhaps the 240SX or 300ZX rear. All of these options listed have complete subframes in which the mounting can be simplified. Strut (shock) tube attachment on top will be the next problem. As far as pictures, any aftermarket repair manual should show a drawing of the complete rear end assembly. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted May 13, 2002 Share Posted May 13, 2002 Yes, I have considered those options, along with the new Cobra Mustang IRS setup; but the folks around here want reproductive organs and your first-born for such parts. The kid I could live without..... Quote Link to comment Share on other sites More sharing options...
Cyind Posted May 13, 2002 Share Posted May 13, 2002 While I don't have pictures of Datsun search down this list and Scottie-GNZ has good pictures of a Corvette IRS (C4 - Dana-36). While he cut his down 1.5" per side you don't have to mine is not cut. This option is good for 600 + HP. Plus you get the 11.5" vented disk and the capipers have an e-brake. Mine has been under the Z for about 10 years now and I have 245 x 45ZR 16" that like to byte the road!!!! Z U V8ter Quote Link to comment Share on other sites More sharing options...
Scottie-GNZ Posted May 13, 2002 Share Posted May 13, 2002 These might help. below is a pic of a complete 71 IRS with an R-200 diff. The other is a pic of the T-bird IRS which you should be able to pickup from a junkyard cheap, no more $3-400 complete. Quote Link to comment Share on other sites More sharing options...
Ray Posted May 13, 2002 Share Posted May 13, 2002 Look at the latest Mustang mag they are doing the swap on a 67 with the cobra irs I think... Another rearend to look at is the infinity Q45.. it is basicly the same as the 300zxtt but without the alumimum parts... I didn't take any pix before I cut the one that I had up but it is a very beefy design...A freind of mine who helped me cut it up was taking measurements off of it to see if it would fit in his chevelle... Take a look it, only took us 4 big bolts, struts, brake lines and driveshaft to drop the rear subframe. If you were looking to transplant it you should just have to find a way to make the subframe and struts fit and attach. Not an easy task but not impossible and the one really good thing is the bolt pattern is the same nissan to ford....good luck nothing is impossible with enough hard work and beer.... Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted May 13, 2002 Share Posted May 13, 2002 I saw that Cobra IRS into the '67 Mustang swap setup, and I had to ask myself "Why?". Cobras are notorious for snapping the half-shafts if you really put the horsepower to them. I might not push my car that hard, but the doubt would always be there. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted May 13, 2002 Share Posted May 13, 2002 The fitting of the tops of the struts shouldn't be too difficult; at least no more difficult than fitting a Pro-Street coil-over upper shock mount would be. The Mustang has a lot of area to work with between the frame rails (which I'd keep as chassis stiffeners). In fact, my idea was to use the carrier front mount as part of a subframe connector/driveshaft loop with the carrier upper mount connecting to a crossmember welded in between the frame rails at the top of the wheel arch. My main concern is rear track width. I don't want to narrow an IRS just to find out that I screwed up the geometry. Quote Link to comment Share on other sites More sharing options...
Guest scca Posted May 13, 2002 Share Posted May 13, 2002 whats the benefit of going to a independent? seems like a LOT of work when a ford 9" from a versaille bolts in to a early stang. if you want to get more exotic get a quaiffe or vari-lock for the 9" and toss the leafs for coilovers and use a 3 link setup for correcting rollcenter. if you really need it you can get cambered axle tubes as well. take a look under a trans-am type race car - theyre all 9" and use wishbone or 3 link-4 link setups. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted May 14, 2002 Share Posted May 14, 2002 The benefit of a fully independent suspension is each individual wheel has the chance to respond to road irregularities on its own. This might not be that much of an edge on a prepared race track over properly prepped 3 or 4-link, but it has definite advantages on the street. Ok, that's the high tech answer; here's reality: PRICES: new front shock tower................100 convertible torque boxes..............80 new rear frame rails.................750 sub-frame connectors..................80 export brace..........................35 monte carlo bar.......................15 front disc brake kit.................850 swaybar/shock/spring package.........475 new steering box.....................450 Shelby steering arms.................140 Auburn posi..........................450 Richmond ring and pinion.............190 Ratech ring and pinion install kit...110 total...........$3725.00 This is to rebuild my '66 coupe to Shelby specs without ANY installation costs and assumes a good 8" V8 rear axle, front spindles, steering linkage, control arm bushings and ball joints. (If my coupe had have been a 6-cylinder, add another grand.) When I get done, I will have a car rebuilt with 1966 technology, that handles and stops like a car designed with 1966 technology. And a Mustang just like everyone else's. Quote Link to comment Share on other sites More sharing options...
blueovalz Posted May 14, 2002 Share Posted May 14, 2002 If I remember correctly, Shelby experimented with an IRS GT350 and found no substantial gains on (as mentioned above) a prepared course. I had ALL the Shelby stuff on it too (I used the Detroit Locker). One thing I found very helpfull was the over-ride traction bars. So with all this stuff on it, and very happy with the results, I played with a modified Z car one day. I got dusted in the corners. That day a plan was set in motion to take the motor out of my '66 fastback Mustang, and put it in a Z car. The rest is history. Now, the corners AND the straights work nicely. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted May 14, 2002 Share Posted May 14, 2002 Check www.suspension.com/Must-IRS.htm for the real story of the Mustang IRS. It was actually developed for the Falcon as the Mustang was still on the drawing boards. The kit is still available from CTM Engineering. Quote Link to comment Share on other sites More sharing options...
Guest scca Posted May 14, 2002 Share Posted May 14, 2002 i guess i dont see the "advantage " on the street we are not "supposed" to drive as hard on the street as on the track so i dont see how the independent will make a huge difference on a street car driven at the legal speeds. and not all tracks are smooth. there are lots of road courses for trans am and those cars go pretty fast.. i've had about 40 stangs (if not more) and while they dont drive like a Z they are a classic . i still have a 66 and when i finally finish it - it will be a 5.0 injected with 4 wheel disks and coilovers for height adj. and all the shelby do's like the export brace- monte carlo, relocated a arms. etc....adding the newer technology into it will make it better and it can still look fairly stock Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted May 16, 2002 Share Posted May 16, 2002 Since I'd have to fab up a subframe/mount anyway; what about a mix-and-match R200 suspension setup with an R230 LSD carrier? Any problems I'm looking at or are these two mutually exclusive to each other? Quote Link to comment Share on other sites More sharing options...
QWKDTSN Posted May 16, 2002 Share Posted May 16, 2002 You guys are all so critical - so what if he wants an IRS in his old Stang. That's why we're here, right? To do wacky stuff to cars! Don't tell me that putting a Chevrolet V8 into a Datsun isn't a slightly weird thing to do, because it is. He just wants to do something unique, something trick Quote Link to comment Share on other sites More sharing options...
jeromio Posted May 16, 2002 Share Posted May 16, 2002 I gotta think that the TBird rear assembly would be cheaper and easier than any kind of Nissan arrangement. That thing already has a whole subframe that goes with it so mounting has got to be easier. Also, I've seen lots of stuff on the net documenting various strength and other improvements for that setup. Quote Link to comment Share on other sites More sharing options...
Guest Aaron Posted May 16, 2002 Share Posted May 16, 2002 Quantrex, you should be able to mate the R230 to the Z suspension. You may also want to look at moving the entire rear suspension from a 1990-1996 Q45. It has the R230 (3.54 ratio) and AFAIK the largest CV halfshafts of any Datsun/Nissan. As a bonus, I think it comes out as a single subframe (similar to a Thunderbird), and it has the advantage of being a modern multi-link suspension instead of a strut type. It can also supposedly handle launching a 4000lb Q with over 600HP. Quote Link to comment Share on other sites More sharing options...
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