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-   -   Carb'd 12A 1985 AE86 Coupe build in the Lonestar State (https://rotarycarclub.com/showthread.php?t=14698)

dr.occa 09-16-2011 10:54 PM

Carb'd 12A 1985 AE86 Coupe build in the Lonestar State
 
Picked this rolling chassis up about 2 - 3 years ago in San Antonio. I'll keep the dialogue to a minimum for the time being.

These cars never came to the States in a Levin format so here are snippets of parts to convert the US Trueno to a Levin.
http://i71.photobucket.com/albums/i1...t-assembly.jpg


http://i71.photobucket.com/albums/i1...in-fenders.jpg


http://i71.photobucket.com/albums/i1...n-trd-wing.jpg
The TRD replica Group A/N2 wing my daughter is holding is obviously just a luxury.


http://i71.photobucket.com/albums/i1...t-brackets.jpg
The factory Toyota brackets needed to mount the headlights accordingly graciously provided by a buddy (Aaron Rue a.k.a. Hondarue).


http://i71.photobucket.com/albums/i1...-fender-01.jpg
http://i71.photobucket.com/albums/i1...-fender-02.jpg
http://i71.photobucket.com/albums/i1...-fender-03.jpg
Some of the parts mounted.


I'll be the first to tell you I'm horrible with welding. I'm especially worse when it's with a cheap Harbor Freight wire mig welder.
http://i71.photobucket.com/albums/i1...version-02.jpg
I decided to try and rig up a hood by using spare flip up head light covers to weld up an appropriate hood. It's going to seem some bondo if I do go with the hood.


http://i71.photobucket.com/albums/i1...01211-1734.jpg
http://i71.photobucket.com/albums/i1...01211-1735.jpg
http://i71.photobucket.com/albums/i1...01211-1735.jpg
http://i71.photobucket.com/albums/i1...01211-1735.jpg
http://i71.photobucket.com/albums/i1...01211-1736.jpg
http://i71.photobucket.com/albums/i1...01211-1737.jpg
More turd welding.


http://i71.photobucket.com/albums/i1...-manifolds.jpg
Picked this up for $200 from the same kid I got the chassis from.


http://i71.photobucket.com/albums/i1...10122-1715.jpg
Engine bay rattle canned.


http://i71.photobucket.com/albums/i1...10128-1607.jpg
http://i71.photobucket.com/albums/i1...10128-1609.jpg
http://i71.photobucket.com/albums/i1...10128-1608.jpg
Power plant in.


http://i71.photobucket.com/albums/i1...5-03212947.jpg
Aero mounted. You rotary guys have some killer affordable rads!


http://i71.photobucket.com/albums/i1...5-03213058.jpg
Oil lines ran...


http://i71.photobucket.com/albums/i1...5-03213008.jpg
http://i71.photobucket.com/albums/i1...5-03213036.jpg
...and cooler mounted.


Then...

Today, I just finished up the DLIDFIS ignition setup. A big thanks to Rotary Car Club (AND RX7Club to be honest) and especially Master Chief from Tulsa Turbo for the wiring and explanation of how it operates.

http://i71.photobucket.com/albums/i1...9-16173750.jpg
GM HEI Modules


http://i71.photobucket.com/albums/i1...9-16173722.jpg
2 Accel Coils 1 for each leading plug. 1 to the distributor for the 2 trailing plugs.


http://i71.photobucket.com/albums/i1...9-16173632.jpg
The hook ups to the magnetic leads in the distributor. I finished up the alternator wiring into the SR5 harness as well as evidenced in this pic.

rx71king 09-17-2011 01:02 AM

i like it....the welding looks good to me...:icon_tup:

speedjunkie 09-17-2011 05:20 AM

You may not like your welding, but at least you're doing it yourself. Truly home-built.

WE3RX7 09-17-2011 02:40 PM

Nice. This is the 2nd AE rotary powered project to come across this board... I'm liking what I'm seeing so far.

Good luck man... and bonus for doing most of it yourself!

dr.occa 09-24-2011 09:53 PM

How the trans sits down under:
http://i71.photobucket.com/albums/i1...9-24191115.jpg
Hockey puck pieces drilled.


Today, I drilled out the original fuel return hard line on the tank cap and welded in a 3/8 stainless 90 degree. Pardon the welds.
http://i71.photobucket.com/albums/i1...9-24121511.jpg
http://i71.photobucket.com/albums/i1...9-24121434.jpg
http://i71.photobucket.com/albums/i1...9-24190604.jpg
Running a Carter 4070 under my custom port-a-potty toilet lid:
http://i71.photobucket.com/albums/i1...mp-routing.png

3/8 fuel return routed:
http://i71.photobucket.com/albums/i1...9-24190909.jpghttp://i71.photobucket.com/albums/i1...9-24190922.jpg
http://i71.photobucket.com/albums/i1...9-24190941.jpg
http://i71.photobucket.com/albums/i1...9-24191002.jpg
http://i71.photobucket.com/albums/i1...9-24190802.jpg
http://i71.photobucket.com/albums/i1...9-24190650.jpg

DriFD3S 09-27-2011 03:52 AM

That's a wicked cool build man! Good Luck! if I lived anywhere near you,
I would be honored to assist you with your labors, for car love.

dr.occa 11-24-2011 09:03 PM

Progress:

Some shots of when I was installing the mini-spool:


Here I've got the diff already out of the carrier and the ring gear and side gears & pin removed.
http://i1129.photobucket.com/albums/...1-13160700.jpg

Here's the differential with the mini spool snuggly entombed in it ready to do what it was born to do: THRILL!!!
http://i1129.photobucket.com/albums/...1-13160952.jpg

We'll have to see how the stock SR5 axles hold up to the "throttling" they're about to get ;).



BC Racing rear springs
http://i1129.photobucket.com/albums/...1-23191924.jpg

AJPS adjustable rear spring perches
http://i1129.photobucket.com/albums/...1-23192002.jpg

Fuel pump and fan relay & switches
http://i1129.photobucket.com/albums/...1-23220257.jpg
http://i1129.photobucket.com/albums/...1-23220005.jpg

Fans and shroud mounted, wired up and running
http://i1129.photobucket.com/albums/...1-23220047.jpg

Updated furnace shot
http://i1129.photobucket.com/albums/...1-23220109.jpg

SR5 driveshaft (lengthened by an inch) slips perfectly into the RX7 transfer case
http://i1129.photobucket.com/albums/...1-23220410.jpg
The I.D. and spline count of the split yoke are identical - 20:2 spline count.

Complete SR5 factory rear end. I installed a mini-spool into the rear end.
http://i1129.photobucket.com/albums/...1-23220509.jpg

dabranco 11-24-2011 09:19 PM

Looks nice man, keep up the good work when you get a chance get a better welder and just go over your old welds for a good safety measure.

dr.occa 12-18-2011 09:33 AM



Finally got it to turn over with a can of starter fluid and 2 ounces of Valvoline VR1 20w50 down the carb throats.

Needed it to idle for a while to get some Alumaseal in the cooling system with some water. There's a good chance there's a coolant leak in the rear housing. Kentetsu from RX7Club.com had a similar issue and reported nothing but success in solving his problem with some Alumaseal.

I think I just gave myself cancer and went deaf all at the same time though.

Oh! And turn down your volume too before you play the video. You'll die if you don't.

WE3RX7 12-18-2011 10:34 AM

The video is set as private so it wont play for anybody until you switch it to public. Have fun on the rebuild for the sealant, lol...

prrex4ever 12-22-2011 10:43 PM

Nice build, good luck with your project.

1twistedrx7 12-23-2011 07:37 AM

cool project !

dr.occa 01-26-2012 11:24 PM

Fabbed up a heat shield to keep the heat away from the intake, carb and any fuel lines.
I didn't have enough of a single piece of aluminum to make the seamless shield per my design so I riveted another piece to complete it.
http://i1129.photobucket.com/albums/...1-26215313.jpg

http://i1129.photobucket.com/albums/...1-26215449.jpg

http://i1129.photobucket.com/albums/...1-26215514.jpg

http://i1129.photobucket.com/albums/...1-26215529.jpg

http://i1129.photobucket.com/albums/...1-26215647.jpg

http://i1129.photobucket.com/albums/...1-26215538.jpg

http://i1129.photobucket.com/albums/...1-26215624.jpg

dr.occa 01-30-2012 10:54 AM

I picked up an S13 throttle/accelerator cable on a single trip to the yard this weekend. It was considerably shorter than the Tercel cable I was originally running but longer and more closer to an ideal length than the original SR5 cable. I ended up having to fab up a new cable stay out my dwindling scrap aluminum. With all the aluminum dust I'm sponging up I'm well on my way to the Alzheimer Carnival. Here's the outcome of one of many misadventures to ultimate memory loss island:
http://i1129.photobucket.com/albums/...1-28184535.jpg

Another piece I borrowed from the S13 chassis is the slightly larger bore BMC with built-in proportioner:
http://i1129.photobucket.com/albums/...1-28184507.jpg

and

http://i1129.photobucket.com/albums/...1-28184612.jpg

Yet another non-native puzzle piece is the thermostat water neck pulled from an 87 Ford Ranger. The one that originally came with this 12A was longer and had a coolant cap on it. If you look in the background my radiator already has a cap. I wanted one less point of pressure leak hence my "solution". Also the length and the angle at which the outlet was facing created more of a severe turn in the upper coolant hose. I was able to greatly reduce the radius and length of the hose with the new thermostat neck. I just had to bore out the mounting points equally to get them to line up. Really easy fix. Ok, too much yap: here.
http://i1129.photobucket.com/albums/...1-28184843.jpg


I ran a new batch of coolant through her along with a bottle of alum-a-seal since I had some "suffocation" issues with the last attempt. Idled the car for about 30 minutes at 7pm. Though the car was just idling, the heat shield for the intake area is working fabulously so far. Idle is at 1400-1600. I'm sure my neighbors were thinking daggers though. What do you think: am I a turd neighbor?

A funny note: as I was recording me blipping the throttle the last "shove" took out one of my outdoor garage lights. Not only were my ears assaulted, my eyes had a little magic show too.

Exhaust wise: still just the Racing beat header and that's it.

dr.occa 03-16-2012 02:52 PM

Rebuilt the 48 IDA and it's looking better.

Picked up a McDaniel Control 1.5" 1/8"npt 0-15psi gauge.
http://i1129.photobucket.com/albums/...316_135855.jpg

Even though it isn't glycerin filled, I figured this would be better than a cheap-o Chinese one.

I've got a 2" McDaniel all steal gauge with glass face 0-10psi but it's too bulky to keep attached to the lines. It sticks out way too much with the snubber and 1/8" adapter.


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