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dwoodcob .
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2014/05/06 11:58:17 (permalink)
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The Great Aw11 Restoration

Hi Forum,
 
Here it is the long awaited post announcing my Aw11 Super Charged JDM restoration.
 
The Current Condition Of The Car
 
This car has come from a broken home. The poor girl was left outside uncovered for many years before being registered once more. As you will be able to see from the photos it is clear that its been left alone in the wilderness for a while. Leaves twigs and all manner of flora was found through out the car, including the intercooler and cup holders. 
 
At this time its clear the car will need to be mostly brought back to bare metal in order to paint it. Paints is fading, cracking and coming away from the body. Many body bits from the front have been damaged and surface rust is present. It looks like the left side of the car has been side swiped and never repaired. Ive looked under the car and found no major bits of rust, so at least the frame of the car is strong. The car also had its rear spoiler removed, with the mounting holes being covered up with duct tape.
 
I think the most shocking area of the car is the interior. A previous owner installed after-market speakers into the doors and then cut holes in the doors for tweeters.  They then never installed the tweeters and sealed the wholes with duct tape. This is the reason in the photos you will see white residue around the holes, as the tape was left there for years and the adhesive started to run. To top it off the previous owner cut wholes in the rear speaker trim to install tweeters and did the same thing? honestly this guy must of hated base.
 
The dash is cracking and the windscreen de-mister vents are cracking and falling a part, evidence of prolonged sun exposure. The rest of the dash and trim are in ok condition considering the cars age. The seats were rather gone but luckily the guy I bought the Car from had new seats lying around that he never installed, this is at least one issue that will be fixed in the near future. 
 
The only other odd interior mod is a boost gauge installed into the driver side air-con vent. You may think thats an interesting idea, you don't need to worry about drilling into interior trim to mount the thing. This is all well and good till you realise the air-con pipping is still connected to the vent. The back of this gauge has been rusted to bits. This doesn't surprise me considering the condensation that must have built up on the gauge due to the air-con still being connected up behind it.
 
Other than some fantastic attempts at tweeter installation there are a couple of other Mods worth mentioning. The car is currently on lowered cut springs. Looking at evidence on the springs it seems that an original owner went the cheap way and kept the original stock springs and just cut them. As a result the suspension is way to doughy for a lowered car. Going around some corners there is a bit of scrubbing that I need to address.
 
The car has also had an after market muffler installed. The muffler has no obvious markings to indicate brand or make. The new one however does not do much to “muffle” the exhaust note, its acting more like a resonating chamber. I took the muffler off the other week and I swear to you there was not much of a difference. The muffler is having the same effect as shoving a sock down the gullet of a T.Rex.
 
The Restorations Mission Objectives 
 
My goal is to restore this fantastic bit of 80’s engineering to its former retro glory. I plan to turn back the clock and restore the interior back to its original 80’s straight edged charm. The only thing that wont be original will be the head unit and speakers. I wont however be cutting any wholes in any of the trim to do so. The speakers will be housed in existing speaker mounts and will be invisible. By the end of it there will be no wholes, no stupid boost gauges and hopefully no major cracks in the trim.
 
The body will be patched, reshaped and brought back to bare metal for the most part. The plan is to go for a combined MK1a and MK1b look. I will be keeping the stock blue colour but painting the spoiler, mirrors, side, front and rear skirts black. Considering this is a 1989 SC AW11, it represents the final word from the line. I then want to try and represent the whole line with visual cues from both incarnations of the AW11. For that authentic JDM look I also plan to fit black Watanabe wheels, I think they will just match the car perfectly.
 
Mechanically I want to try and reverse the mods done to this Car. The suspensions is currently a joke, considering sneezing during a turn can have adverse effects, the suspension needs a change. My plan here is to return it to its complete stock form, thats going back to stock ride hight and all. I plan to do this with stock or close to stock rated parts. 
 
I also plan to fit either a stock muffler or again something close to the stock mufflers specs. The current muffler at idle is way to loud, I've heard V8s quieter than this thing. I really only want to hear the exhaust when the engine is under load. Even then I still want to hear the engine not just its exhaust note.
 
Now I can already hear people shouting saying why go back to stock in terms of the suspension and exhaust. Keep in mind this is a “factory restore”, not a performance restore. I want to experience the car the way it would have been when it was taken of the showroom floor in Japan back in 1989. Once I have lived with the car in its stock form for a bit then ill decide what modifications need to be made.
 
The Job So Far
 
At this time much of the damaged interior I have been able to source. Im still needing the dash though, its proving to be a hard part to come by. I have installed the new seats and given the interior a much needed clean.
 
Im still missing the front struts and sprigs plus muffler. If anyone has any of these parts please contact me and let me know.
 
Once I have completed more of the restore ill update this post. You can also find attached pictures of the car in its current state. If anyone has any other ideas and suggestions please feel free to chime in. I hope you enjoy.
post edited by dwoodcob . - 2014/05/06 12:03:49
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    maj
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    Re: The Great Aw11 Restoration 2014/05/06 13:35:04 (permalink)
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    A tintop GZE without a spoiler? You don't see that everyday.
     
    Best of luck with the restoration, you have IMO the best colour AW11 there is, and you'll find with a bodywork cleanup and respray they look awesome, check out my showroom thread for what 8E3 colour looks like with a little bit more metallic added.
     
    Also pity about those door trims, they look like they're in excellent condition before stupid aftermarket speakers were installed!
    The main dash pads are indeed hard to find in original, uncracked condition. I recommend just taking it to a retrimmer and try to get them to match it to stock as well as they can, that's the plans for mine anyway.
     
    Wheels are cool though, just enough offset to look much better than the factory teardrops.
     
    If you are willing to wait a month or so, you can have my set of factory springs for next to nothing once I install my Eibach's. Either you pay for postage or I can deliver them to Sydney next time I am up that way.
    You will find though the factory springs are very soft though and do cause a lot of body roll. Factory isn't always best. 
    post edited by maj - 2014/05/06 13:40:18

    --
    "Autodub" - 1987 AW11 G-Limited, Dark Blue Mica 4AGZE T-Top 4EAT
    MY15 BRZ Special Edition + STi muffler, Coil Springs, Tower Strut, Wheels & Sound Tube!
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    Mrskylighter
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    Re: The Great Aw11 Restoration 2014/05/06 13:53:28 (permalink)
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    I should have replaced my bolt on HKS muffler on my car over the next month or so. With a fresh paint job the muffler should look and function well. I'm only removing it as I'm installing a custom 3in exhaust in its place.
     
    Not sure if it would be something your interested in though. Is the same as the one below (but used)
     

    #3

    dwoodcob .
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    Re: The Great Aw11 Restoration 2014/05/06 16:00:07 (permalink)
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    Hey Mrskylighter
     
    That looks all right I would be interested in that one. My only question is how loud if this muffler? I just want it to be relatively quiet at idle and cruising on the highway, Let me know.
     
    Het Maj 
     
    It is rare to see a Aw11 SC with the tin top, thats one of the reasons why I snapped this thing up.
     
    I would be interested in you front springs and struts. Let me know when you do the swap im happy to pay for postage or wait till your in Sydney, either way is fine. As im not planning to take the car to the track at this time the body roll issue isnt that concerning. What is concerning is the tendency these cars have for the back just to let go under load around a corner, snap over steer is a concern.
     
    To combat this I have already got my hands on MK1a Aw11 rear struts and springs. My plan is to install the Mk1b suspension in the front. As the latter model springs are softer, this combination of late and early gen parts should help with wait transfer to the front of the car under breaking. This also fits with my theme of combining the 2 generations into this car. 
     
    I know I can get better performance out of a new suspension set up, this is something I would possibly do in the future. For now though I just want to get the car running as close to how it should be running in its stock form. This gives me a good base to work of in the future.
     
    #4
    wiso
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    Re: The Great Aw11 Restoration 2014/05/06 16:09:13 (permalink)
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    What are you hoping to achieve by putting Mk1a Shocks and springs on the rear? Mk1a rear springs are to suit NA engine weight, the car will sit lower are the rear if used in a SC. Curious, apart from that what are the difference's in REAR suspension you have found from the mk1a to mk1b that would make the mk1a rear suspension superior?
     
    if you want stock exhausts new this place on ebay UK looks to heavy pretty cheap stock replacement items. at about $280 including shipping to Aus shouldn't be too bad.
     
    http://www.ebay.com.au/itm/251131071547?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649
     
    post edited by wiso - 2014/05/06 16:13:52

    87' AW11 4AGE 
    00' ZZW30 1ZZFE
    01' ZZW30 1ZZFE Race car Edition
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    wiso
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    Re: The Great Aw11 Restoration 2014/05/06 16:25:51 (permalink)
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    Mk1b suspension was designed to combat the oversteering tendancy of the AW11. Mk1a was very renound for being a better handling version, but would snap oversteer alot worse than the mk1b.
     
    mk1b has longer control arms on the rear suspension and SC models ran no rear swaybar. This made the car understeer.
     
    So if you are trying to put mk1a suspension on your car to combat your fears of oversteer it does seem like you are going the wrong way about it.
     
    thats why I am curious if you have a plan there.
     
    cheers

    87' AW11 4AGE 
    00' ZZW30 1ZZFE
    01' ZZW30 1ZZFE Race car Edition
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    Mrskylighter
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    Re: The Great Aw11 Restoration 2014/05/06 16:27:24 (permalink)
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    My mk1b 1989 SC car has a factory looking rear swaybar
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    wiso
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    Re: The Great Aw11 Restoration 2014/05/06 17:11:26 (permalink)
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    Someone has likely put one on from an NA. It was a mixed bag. They were putting them on until they ran out. Some cars had rear bars. Some had none but the struts had tabs. Some had none and no tabs on the struts. My 86 JDM SC didn't have one and had tabs on one side only. While all AUDM NA's had rear bars some other countries didn't get them.

    Nick is yours an original SC body or was it an NA body originally?

    87' AW11 4AGE 
    00' ZZW30 1ZZFE
    01' ZZW30 1ZZFE Race car Edition
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    Mrskylighter
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    Re: The Great Aw11 Restoration 2014/05/06 17:16:12 (permalink)
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    Its an original t-top SC bodied 89 car. Folding mirrors and other bits etc.

    The swaybar looks very original and untouched.maybe it was fitted a very long time ago.?
    #9
    datafunk
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    Re: The Great Aw11 Restoration 2014/05/06 20:13:56 (permalink)
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    watching with interest.
     
    keep at it mate!

    a few motorbikes and an 87 AW11
    #10
    MCT_MR2
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    Re: The Great Aw11 Restoration 2014/05/06 21:21:09 (permalink)
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    My 88SC has a factory rear swaybar as well Mrskylighter

    '88 MR2 4AGTE W/ EFR6258

    224.6KW @ 20PSI

    more to come......
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    dwoodcob .
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    Re: The Great Aw11 Restoration 2014/05/07 09:21:33 (permalink) ☄ Helpfulby wiso 2014/05/07 10:44:35
    +1 (1)
    Hi forum
     
    Great to see this much activity on my post  Thanks for the positive feed back as well. I look forward to the day she is ready.
     
    I had a look and I also have a rear sway bar wiso? It also looked rather original, mind you the suspension on mine is far from original. It does look original but who knows?
     
    The discussion of suspension set up and the like is a big talking point in Japanese car mags and forums. I have a mate over in Japan at the moment and I regularly get him to send me mags and ask for help with translating certain articles and the like. This is a topic that is discussed a fair bit over there as well.
     
    The snap oversteer issue was down to many characteristics with these cars. My understanding is that the combination of stiff suspension and general setup was the reason for the MK1a issue. The original AW11 had issues transferring its weight to the front of the car during braking and cornering. The combination of a mid ship power plant, stiff chassis and suspension all contributed. This is predominantly what let to its snap oversteering.
     
    To try and resolve this Toyota softened up the suspension in the MK1b. With other suspension tweeks they mitigated the effect as there was much better weight transfer as a result. This however did lead to a bit more body roll.
     
    My research then led me to many a interesting discussion in Japan. The consensus over there is if your after a cheap mod that retains some of the cars original characteristics (eg: ride hight, harshness, cornering feel, etc), go with the option I laid out above. 
     
    My understanding is that even though the later model suspension is designed to take the extra weight, the MK1a's stiffer suspension can also deal with the load. This then combined with the MK1b's softer suspension in the front helps with weight transfer and helps curb some of the body roll found in the stock MK1b. This setup does give the car a slight favour towards understeer. This however is better I feel for road use anyway.
     
    I will admit that I am also a little sceptical of this setup, it seems to good to be true. Thats why I also have a set of AW11 SC rear struts and springs. That way if I see that the Mk1a parts aren't copping I can switch them out. 
     
    Ill keep the forum posted on my findings
    #12
    maj
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    Re: The Great Aw11 Restoration 2014/05/07 09:40:07 (permalink)
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    I read somewhere that in '89 they started readding the swaybar, but I can't remember if it was JDM or USDM. Mine is a late 87 model, last few months before they moved onto the 88 spec with the spoiler brake light (not LED though, that was '89) and mine never had a rear sway.
     
    What Wiso said is 100% correct though; by removing the rear sway it settled the suspension for the everyday driver. I can contest to this where I have on on occasion pushed my car beyond the limit around the corner, deliberately so I can pull a stupid little skid. I have managed to get it slightly sideways in the process, but not even oversteer at all.
     
    My current aim for suspension is the more traditional method of beefing up the front sway (whiteline) and tower strut (Cusco), adding the rear sway (SW20 turbo) and adding rear tower strut (Cusco). At the same time going for a lowering spring (Eibach) and adjustable suspension (Koni). Toe changes and more rear camber should settle the car so it has a much higher point of grip before giving way, so when I manage to get it to the track it should handle how I want, but also very friendly on the street. If you're driving a car that can snap oversteer on the street, you really shouldn't be driving it at all.
     
    The HKS exhausts are quite louder than stock, but they are not quite as loud as the Fujitsubo's. I'm actually very interested in Mrskylighters exhaust and have messaged him about it. I have an OEM replacement that's very quiet but not that restrictive, I don't mind it but want a bit more noise since this ain't my daily driver.

    --
    "Autodub" - 1987 AW11 G-Limited, Dark Blue Mica 4AGZE T-Top 4EAT
    MY15 BRZ Special Edition + STi muffler, Coil Springs, Tower Strut, Wheels & Sound Tube!
    #13
    dwoodcob .
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    Re: The Great Aw11 Restoration 2014/05/07 10:42:52 (permalink)
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    Well then we have the potential for a three way deal here (no euphemism intended ).
     
    As I want mine more set up at this point as a gran tourer your OEM system sounds like what im after maj. If you decide to go with the HKS muffler let me know and ill take your one. Every one wins then :)
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    spike10000
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    Re: The Great Aw11 Restoration 2014/05/07 12:05:22 (permalink)
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    G'day mate,
     
    Welcome to the club. I should have looked at the pics before reading the rundown as I recognised the car instantly. You bought this on the central coast from my mate Lije. He had the car for at least the couple years, though I can confirm none of the aforementioned 'mods' were his handywork! I had always wished he would do something to fix it up, but didn't seem to have the time between his other projects. Looks like you're on the right path though.
     
    Does this have the big pulley on it? I know that he ran a NST on it at one point, but not sure if he stuck with it.
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