1991 RC recovery mission - "Rebel Scum"

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Re: 1991 RC recovery mission - "Rebel Scum"

Postby underscore » Fri May 31, 2019 4:49 am

Going from memory I want to say it was those same two. Maybe they were just of a lower quality than the others or they're more prone to leaking vs drying out for whatever reason. Either way 30 year old capacitors are due for replacement in my mind.
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★ 1991 GTFour RC ~ "Rebel Scum" ★
It's for sale! http://www.alltrac.net/phpBB2/viewtopic.php?f=64&t=52181
Build thread http://www.alltrac.net/phpBB2/viewtopic.php?f=44&t=44216
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Re: 1991 RC recovery mission - "Rebel Scum"

Postby underscore » Mon Jun 10, 2019 10:02 pm

I got the resonator in so I can confirm the Vibrant will fit in the stock location at the rear beside the driveshaft. I managed to get it in with clearance to everything, but I decided to rotate it slightly to get more of a gap to the driveshaft just to be safe and it shifted to touching the rear crossmember slightly. I didn't have the wiggle room to get the leverage to move it enough to clear so I'll just spacer the crossmember down a hair with some washers for now.
★ 1991 GTFour RC ~ "Rebel Scum" ★
It's for sale! http://www.alltrac.net/phpBB2/viewtopic.php?f=64&t=52181
Build thread http://www.alltrac.net/phpBB2/viewtopic.php?f=44&t=44216
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Re: 1991 RC recovery mission - "Rebel Scum"

Postby underscore » Sun Jun 16, 2019 5:17 pm

I pulled my original ECU and swapped the caps in it as well, the same two were leaking and the second I touched them each had a leg fall off. Considering the vibration inside a car I'm amazed they still seemed to be working. After seeing the same caps leaking in several ECUs now I highly recommend anyone running a stock ECU of any gen open it up and replace all the caps. If you aren't familiar with electronics yourself a shop should be able to do it for peanuts.
★ 1991 GTFour RC ~ "Rebel Scum" ★
It's for sale! http://www.alltrac.net/phpBB2/viewtopic.php?f=64&t=52181
Build thread http://www.alltrac.net/phpBB2/viewtopic.php?f=44&t=44216
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Re: 1991 RC recovery mission - "Rebel Scum"

Postby Corey » Mon Jun 17, 2019 10:06 pm

Incredible the car still runs with bad caps like that. I'll definitely be taking a look at my ECU soon.
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1989 Toyota Celica

Re: 1991 RC recovery mission - "Rebel Scum"

Postby underscore » Mon Jun 17, 2019 10:59 pm

According to another thread I think the two that have leaked only deal with the CEL circuitry, so the caps themselves failing should only take out the CEL. Where is gets bad is the fluid inside is corrosive, so it will eat away at the PCB and cause other damage. In my main ECU you could see bare copper where it had already eaten away a bit of the PCB.

They can also dry out internally which doesn't make a mess but is hard to diagnose. Considering even the newest ST205 ECU is 20 years old now (and the oldest 165 is 30!) in my mind $20 in components and a couple hours of my time is no brainer preventative maintenance.
★ 1991 GTFour RC ~ "Rebel Scum" ★
It's for sale! http://www.alltrac.net/phpBB2/viewtopic.php?f=64&t=52181
Build thread http://www.alltrac.net/phpBB2/viewtopic.php?f=44&t=44216
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Re: 1991 RC recovery mission - "Rebel Scum"

Postby alltrac801 » Tue Jun 18, 2019 12:04 am

Corey wrote:Incredible the car still runs with bad caps like that. I'll definitely be taking a look at my ECU soon.


Me too! This has me pretty worried about the condition of mine!
1991 Toyota Celica All-Trac (239,000 miles)
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1991 Toyota Celica

Re: 1991 RC recovery mission - "Rebel Scum"

Postby FC Zach » Tue Jun 18, 2019 4:36 am

underscore wrote:According to another thread I think the two that have leaked only deal with the CEL circuitry, so the caps themselves failing should only take out the CEL.


This is something I have reported also.
https://www.alltrac.net/phpBB2/viewtopic.php?f=10&t=53005
1992 Toyota Celica AllTrac
1993 Yamaha GTS1000
1987 Mazda RX7 Sport
1979 Yamaha G1A, rotary powered with Sachs KM24
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1992 Toyota Celica

Re: 1991 RC recovery mission - "Rebel Scum"

Postby underscore » Sun Sep 08, 2019 5:59 am

When you accidentally break a clamp, turn it into a bracket. This will hold the relays for the intercooler sprayer and driving lights.

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★ 1991 GTFour RC ~ "Rebel Scum" ★
It's for sale! http://www.alltrac.net/phpBB2/viewtopic.php?f=64&t=52181
Build thread http://www.alltrac.net/phpBB2/viewtopic.php?f=44&t=44216
underscore
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Re: 1991 RC recovery mission - "Rebel Scum"

Postby underscore » Thu Sep 12, 2019 5:28 am

It's super dirty it's just a shit cellphone snap but driving it for the first time since March was pretty nice. The softer front springs and Vibrant resonator are a huuuuuge improvement so thanks to everyone who suggested that and helped me sort out how to install it.

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My coworkers minty Audi for reference of how nice a black car can actually look lol.
★ 1991 GTFour RC ~ "Rebel Scum" ★
It's for sale! http://www.alltrac.net/phpBB2/viewtopic.php?f=64&t=52181
Build thread http://www.alltrac.net/phpBB2/viewtopic.php?f=44&t=44216
underscore
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Re: 1991 RC recovery mission - "Rebel Scum"

Postby underscore » Sat Sep 14, 2019 4:19 am

The tablet mount finally came in, so I had to try mounting the Asus Transformer laptop/tablet. It can be used with a full keyboard for doing all the calculations for the TSD events and then mounted in the car and used with a bluetooth keyboard so they can make adjustments for any delays without having to do it by hand. Since it runs a full Windows OS I put the Alfa rally factor calculator program on it and I'll put the .pdfs of the Celica manuals on there just in case. The mount seems pretty solid but we'll see how it does bouncing around on forestry roads.

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★ 1991 GTFour RC ~ "Rebel Scum" ★
It's for sale! http://www.alltrac.net/phpBB2/viewtopic.php?f=64&t=52181
Build thread http://www.alltrac.net/phpBB2/viewtopic.php?f=44&t=44216
underscore
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Joined: Mon Apr 09, 2007 11:29 pm
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