Here's a bit more detailed update post;
Scored an R sport wheel, did some restoration on it. Installed with a Sparco hub.
Here it is installed, you can also see the MKM Motorsport shifter, it's a pretty nice piece. Works for BMW transmissions and M90s, bolts in.
Engine installed with turbo and all wiring. Turbo stuff fits nice considering I eyeballed the layout before I ever took the redblock out. I did take some quick and dirty measurements on my brothers 960 (which is next to receive a T6 swap) to confirm, but it was all fabricated on an engine stand without any test fitting until I was already committed to this design.
With all the air intake stuff. I'm running a vent from the PCV box all the way over by the air filter to a catch can, I'm going to have to revise this. Want to get something closer to the engine so the water vapor goes out through the filter rather than condensing so much in the line and the can. Was thinking of making an aluminum one that mounts over the engine on the strut brace. I have a carbon strut brace for a VW MkIII that will fit the 700 with very little modification.
Tried to take some nice pictures of it but my phone was a potato at the time I took these. Got a nicer phone now but it's been super cold and shitty lately.
We recently had a major cold snap, -40 degrees, C or F, so I had a chance to do some cold start tuning on the ECUmaster, I just kept starting it in lower and lower temps until it starts in -38 C. At that temperature I have a prime pulse of 15ms on 850cc injectors, and cranking pulse of 28ms. That's a lot of fuel. At hot idle it's running a pulsewidth of 1.1ms. (I'm not sure if that includes the dead time, I'd have to check).
I don't have pictures of the exhaust system, I kind of just got stuck in to it and started building and didn't stop until it was done. Forgot to take pictures. The exhaust is 3 inch, 304 stainless, everything after the downpipe I just migged with 308l wire, 75/25 gas mix and backpurged the pipe with argon. It's not the prettiest but it works. I used a Flowmaster 200 cell metal substrate high flow cat, a Magnaflow resonator and a Magnaflow muffler. You can hear how it sounds in the video a page or two back.
Next up is the front suspension. I am going to use BC coilovers with MKM motorsports camber/caster plates for BC coilovers, I've got a set of aluminum control arms from an earlier car for less unsprung wieght, I'll be converting the sway bar links to a ball joint style like on newer cars to eliminate deflection, as well as attaching the end link directly to the strut which should make it act like a bigger bar vs attaching it to the middle of the control arm. Also using energy suspension sway bar bushings. I'll have to make a new lower chassis brace or modify the one I made as the one I made before doesn't clear the 960 sump or the downpipe.
I'm STILL on the fence about what to do in the back. The stock 3.73 gears are not ideal for the ZF 320 box gear ratios;
| Gear ratios | | | | | |
|---|
| 1 | 2 | 3 | 4 | 5 | R |
| 4.21 | 2.49 | 1.67 | 1.24 | 1.0 | 3.85 |
I have a collection of BMW 188mm diffs and have the right gear ratio, different cases and a clutch type LSD, but I don't know how I feel about having to hack up the sub frame to make it fit. My health hasn't been the best lately, still trying to figure that out, so I'm not too keen on more heavy fab work. At this point I'm leaning toward going with Tenaci/Bakaxel stuff to just build the IRS diff with a 3.15 gear set and their torsen 26 spline LSD, just because it will all bolt together and plop in without any modifications. In the meantime I have a 3.31 G80 from an early 960 that I'm going to stick in until I figure out what to do with the diff long term.
