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From: "Peter Hedgecock" <tmpnet@saltspring.com> Subject: Re: Control Arm Ideas Date: Tue, 9 May 2000 22:16:05 -0700> >s this 200SX the S12 model with the pop-up headlights? If so I tried the > >struts off of one on my 510 and it was nearly OK apart from the upper > spring >perch just rubbed the inside of the tower.But when it was all > together and on> >the floor it did apear to have very slight > >positive camber(not muchthough).Maybe using the bottom arms is the answer? > >Struts are nearly 2" shortern than 510 ones and the vented disks are big so > I'd >like to,use them .Anybody done this? > > > >Eddie > >England > >70 510 4door (L18SSS next weekend!) > >eddie@ratdat.com > > Well, here's what I know about 200SX/S12 struts: > > Not too long ago I measured an S12 200SX front strut ('85 Turbo). I picked > up a clean set from the JY for a potential front brake upgrade. They will > bolt up to 510 steering knuckles just like the 280ZX struts. They have > vented, 18mm (0.709") thick rotors which are only 0.10" smaller than 280ZX > rotors, use slightly smaller brake pads than 280Zx, but the unmodified > calipers fit inside 13x7 Libre's and 13x7 Panasports. I have a lot of 13" > wheels so this was important to me! The caliper also cleared a 4" > backspacing 13x6 Shelby Europa Minilite clone that I found at the JY on the > same day, but unfortunately for me they won't clear my 13x6 Superlite > Panasport clones(4" B/S), nor my Hayashi 13x6.5's (also 4" B/S). > Grinding the caliper won't help since it's actually the bolt heads that hold > the calipers together that cause the interference with the wheels. > > Anyway, as Eddie says, they are short, same length as a 280ZX strut. A > 280ZX cartridge fits perfectly. We tried it. I think a 240Z cartridge would > fit also as I understand they are the same length. The S12 strut has +3 > degrees camber relative to the 510 strut (I was comparing against a > straight, unmodified 10.5" '69 510 strut). We compared it with 280ZX strut > on a granite table using a height gauge and they both have exactly the same > spindle angle. So some sort of camber adjusters are mandatory to compensate > for the added positive camber. > > A benefit of the extra spindle angle is increased inner tire clearance with > the strut tube. Even though the ZX strut also has this additional positive > spindle angle, you don't get the full benefit of additional tire clearance > since the ZX spindles (and hence the wheel hub mounting flange) are even > closer to the strut tube than a 510 strut. Many ZX strut converts have > reported this in the past. The S12 strut, on the other hand, has spindles > that are within 1/16" of where the stock 510 strut spindles are with > respect to the strut tube. Likewise the hub mounting flange. Due to this we > measured an additional 11mm (0.433") of inner tire clearance on the S12 vs > 280ZX strut using 13" wheels. There would be much more with 15"+ wheels. In > fact, if you're into the touring car look a 17x7" wheel/tire combo with > +38mm offset (5.5" B/S!) actually cleared the strut tube by about 1/8" with > NO SPACERS! > > The spring perch is larger diameter than the 510 perch, so swapping perches > or converting to coil overs is the way to go. There didn't appear to be an > easy way to mount ZX calipers and hubs (hubs fit, calipers don't). One other > thing- the ball joint relief in the bottom of the strut has a much larger > inner diameter, so if you want to run bumpsteer spacers made for the 510 > strut, you'll need to have a ring machined to take up the clearance. > > Hope this helps! > > Ted Hedman > '72 510 License# IN2510S > Redondo Beach, CA > thedman@amelia.sp.trw.com > Sounds alot like the brakes/struts I took off my Maxima/810 sw parts car. tmpnet@saltspring.com (aka Peter) This message comes to you from the Datsun 510 mailing list. List rules and instructions are available at: http://bluebirds.datsun510.com/bluebirds/listcharter Authors retain implicit copyright to their material. Obtain permission from the author before redistributing messages.