Bottom line is everything you’ve shown is fixable. Just need to decide if you want to devote the time.
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Early model 325e Rustoration
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Originally posted by Sunnyledge View PostI had doubts about my project after discovering the extent of the rust and all the issues that needed to address. I also started my project with no prior MIG welding experience. I spent 6 month checking out other peoples projects and I found this site really helpful https://retrorides.proboards.com/thread/70135. The best advice I got was always make a template and don’t think you need to always make the patch in one panel. I think this was the first repair I did on my car. It doesn’t need to be pretty, just structurally sound.
I am taking a break from working on the front rust areas. The entire dash needs pulled so I can assess the firewall rust and to get better access to fix the corners.
The rear subframe and diff looked to be in rough shape. There was rust scaling peeling off on the diff housing and the arms were covered in surface rust. All the bushings were deteriorated as well. I decided it needed to be dropped and dealt with.
I had to tap the subframe bushings with a 5/8" tap and thread in bolts. It only took a couple taps with a hammer to free each side after that. Unfortunately the driver's side ebrake cable was too worn to stop the hub from spinning and I ended up rounding a couple of the T50 torx bolts trying to remove the axle. Anyone have any suggestions on removing an axle with it disconnected from the vehicle and having rounded bolts?
Anyways, I broke down the subframe assembly to start cleaning it up and to get it read for new bushings to be installed. In the process I dumped out at least 1/2lb of acorn shells from inside the cross member. The PO wast've had some very hungry mice in his barn because this thing was packed tight.
Anyways, that's where the car currently stands. The wire wheel on my angle grinder is going to get a workout this week. I'll also use this time to clean up the rear undercarriage, replace the sway bar and bushings, and weld in any new brackets that may be too far gone. I've been watching videos from 'Restore It' and 'Soup Classic Motoring' on youtube to also stay motivated.
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It's been awhile since I've posted any sort of update. My real job has been taking up most of my time these past few weeks, so I haven't made any significant progress. I'm still wrestling with rust removal on the rear body and rear subframe. I did, however, start fantasizing about new wheels. Unfortunately there isn't anything for sale near me in 4x100 bolt pattern that isn't Honda fitment.
.... But I have some square 16x7 ET46 Z3 wheels sitting in my garage leftover from a car I sold on BaT. I was thinking about getting some 72.6mm bore -> 57.1mm bore, 4x100 -> 5x120, 18mm wheel adapters. That would put the final offset around ET28, which might still be a *little* high. New tires would be required. Thoughts???
The weekend is supposed to be nice, so hoping to make some significant progress. More to come.
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Slow progress is better than no progress....
Made a trip to the hardware store to procure some items to make my own bushing removal tool. I wasn't too keen on burning them out, but may resort to that for the larger subframe bushings as I'm having difficulty finding a 'cup' that is the correct size.
Anyways, the rear trailing arm bushings were in terrible condition and were difficult to remove with my threaded rod, washer, and nut method...but I eventually got them out with a lot of torque from a breaker bar.
New vs. Old:
I used the same method for the diff bushing, but had to borrow a giant sleeve from a friend. Removed the rubber inner portion with the threaded rod method, then carefully used a hacksaw to cut the outer metal ring:
I whipped out the wire wheel, flap disc, and file sander and started cleaning up the subframe bits. I soon realized it will take weeks to get these parts as clean as I want them. I decided I'm going to outsource the cleaning to a local media blasting company. I have etching primer and some rustoleum flat black, so I don't think I will spend the money to have the parts powdercoated. Next step is to remove the hub and wheel bearings so I can send them off to be blasted.
That's where the project stands. Next steps will be to disassemble the differential, check the condition, and send the case off to be blasted as well.
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Hey All. Don't worry - I haven't abandoned this project. Progress has been slow and steady despite the freezing temperatures and working in an unheated garage!
The rear subframe is looking pretty good now. The worst offender was the differential housing, but through the use of a hammer and chisel and dremel flap discs I managed to get it to a respectable state.
This was taken after some initial cleaning. The amount of rust scale blew my mind.
You can see all the pitting caused by the rust. It looks like a golf ball. The housing will get 3 coats of rust reformer, 3 coats of gloss black rustoleum, and 2 coats of clear before going back on the car.
Despite the ugly outer shell, the actual differential appeared to be in great shape (or so I'm told by those with more experience with these things. I've never refurbed a diff before):
Lastly, I welded in a new passenger side floorpan. This would be the rear seat footwell and directly under the passenger front seat. Because of the slight concavity in the original pan, I had to use multiple pieces. The metal I am welding in for the floor replacement is 2 or 3 times as thick as the original metal. It is difficult to shape, but much stronger than stock:
Thats about it for updates. All new bushings and wheel bearings will be pressed in shortly. The rear axle support beam is getting Garagistic diff reinforcement pieces and camber/caster serrated plates welded in this week. I plan on dropping the fuel tank to clean it up and replace the soft fuel lines while it's free. Some patches need welded in by the fuel breather hose and I will re-route a new path for the line at the same time.
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Good progress just take your time and you will get there. I’ve not been on this forum for a little while and this is the first thread I have checked out. I am enjoying the progress.
you say a USA Early model 325e is the least desiresble but I bought one and shipped it back to England with me 😂 probably the only person to want a us spec car in England but I am fine with that. I too have a YouTube of slowly making progress on my e30. It’s terribly awkward but it’s benwalsh91.
I drove a 325e across America and now i am shipping it home to London, England
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Originally posted by benwalsh91 View PostGood progress just take your time and you will get there. I’ve not been on this forum for a little while and this is the first thread I have checked out. I am enjoying the progress.
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Originally posted by OBD2 View Post
I just read through your roadtrip thread from 2019. Now I want to fly out West and drive back my next project! Kudos to your wife for being on board with that adventure. My girlfriend doesn't trust my car purchases to make it down the street, let alone across a country.
I drove a 325e across America and now i am shipping it home to London, England
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