Old School Supra Build

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Hi all! I'm sure very few of you will remember me from a few years back, but I'm a female supraholic. I'm on my 9th Supra since 2001 (all have been second generation 1982-86).

The car this thread is about I got back in September for FREE.

How it looked when I 1st saw it:
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/IMG_0901.jp g

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/IMG_0899.jp g

All dusty and nasty, it had sat under a car tarp for a year or more. Apparently the owners had bought the car and it had no reverse (automatic). They didn't have the time to fix it and then just parked it. Said it wouldn't start, blah blah blah.

So I get the paperwork and we tow her home (after changing the numerous flat tires)...
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/IMG_0909.jp g

All I had to do was put a good battery in it, and have some patience, and she started after a few times cranking. It even moved forward (didn't like going in reverse though, like they said)
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/IMG_0921.jp g

So I got the car all cleaned up, installed my custom clear turn signals and Euro/JDM rear vents.
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/second%20sh oot%2010-22-07/1.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/second%20sh oot%2010-22-07/2.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/second%20sh oot%2010-22-07/IMG_1096.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/second%20sh oot%2010-22-07/IMG_1082.jpg

posted by  TanyasMkIISupra

Well...welcome back.

It looks great...

posted by  BavarianWheels

So on to the engine build.

The engine bay shortly after I got the car, started removing stuff to replace w/ goodies:
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/engine%20sh it/IMG_0974engine.jpg

How it looks right now:
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/engine%20sh it/pipe-031.jpg

Current mods:
RC ceramic coated X over pipe, RC CAI, NGK plug wires, TRUST header, RC merge collector, 2.5" HKS midpipe, RC tailpipe, Magnaflow muffler

So the engine has 187,000+ miles and is burning oil pretty good now after a few months of me flogging the hell out of it. I'm sure the fact it sat for a year or so doesn't help. So while the engine still runs kickass, it's time for it to come out.

My plan is to remove the 2.8 liter DOHC 5MGE and replace it with the JDM only 3.0 liter DOHC 6MGE.

I somehow managed to find this very rare 6M block on craigslist for $50. Got it home, tore what was left of it apart only to find that the rod bearings on the #1 con rod were NOT THERE. Dropped the block, crank, rods off at the machine shop, only to be told the crank and rods were screwed beyond repair.

So my BF gave me his extra 6M crankshaft, and I scored a set of free 7MGE connecting rods

note: for those who don't know, the 6MGE engine is basically a MK3 Supras' 7MGE with the MKII Supras' 12 valve cylinder head. It was only available in Japan in the 86-88 Toyota Crowns and Soarers.

Painted and prepped intake manifold and other misc. parts:
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 6bd31fc5.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 5dac281e.jpg

295cc injectors I'll be using at a later point (stock injectors are 182cc)
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 39370284.jpg

Connecting rods, .030" over pistons, resurfaced flywheel (yep, she's going to get a 5spd swap while I'm at it) and tanked cylinder head w/ valve job and milled 5 thousandths
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ bbc82a6f.jpg

The whole rotating assembly is balanced as well. One of the rods was 15 grams lighter than the rest, so the others had to be machined down to match.
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ e583c64b.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 69f5cfbc.jpg

posted by  TanyasMkIISupra

6M crankshaft all polished/balanced and pretty :)
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ da3b1056.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 2245ac4d.jpg

Bored out & cleaned block came home yesterday.
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 39a58877.jpg

I'm definitely repainting the block, I'm not a fan of black blocks. I like to see where my oil leaks are, LOL
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ b288f0cc.jpg

So that is it for now. The build is somewhat stalled as I had to shell out big dollars to the machine shop yesterday.

I still need to get rod/main bearings, thrust washers, a pilot bearing, clutch slave cylinder & soft line, clutch master cylinder/lines, clutch/brake pedal... and I think that's about it. I think I have everything else.

posted by  TanyasMkIISupra

I remember you...I think you were friends with thunderbird1100?

Wow, that's a lot of work. Looks great, though :thumbs:.

posted by  chris_knows

Yep, we knew each other off of AOL.


And before anyone asks, my goal is between 170-180whp when the engine is broke in. That's w/ stock timing and what not. I'd like to tune it out as far as possible. Anything over 200whp without buying cams would be kickass.

stock 5MGE output is 161hp, 132hp at the wheels... the highest hp 5M that I know about is 189whp and that was with high comp pistons and HKS cams (unknown grind)

The hp output of the 6MGE is really unknown. Most sites say 190-195hp at the crank. Most of the 6MGE dynos I've seen were over 150whp, but those are usually modified w/ intake and exhaust so... it's really hard to say.

posted by  TanyasMkIISupra

Hmm, a girl getting a free Supra. I could make a joke asking how you got it, but I think the C-F crowd is a little above that.:orglaugh:

Welcome back, although I think you were gone by the time I signed up for this place.

posted by  giant016

Haha. This is actually my 4th free Supra, 3rd freebie that has run.

I'm a Supra slut fo life, but not in the "i give my poon away for cars" type of way. Maybe a quick flash of the titas.....

I kid, I kid :laughing:

posted by  TanyasMkIISupra

lmao i remember you, the supra looks amazing and it is going to be an absolute dream to drive, what are you going to do with the drivetrain and suspension?

posted by  99integra

Well she's getting a 5 speed swap bc the auto tranny is absolutely crap.

The suspension was already modified at some point, very ghetto. They heated the springs to lower the car. It is quite low but I want to lower it the correct way, but it'll be a long time before I am able to afford all that now

posted by  TanyasMkIISupra

Since you are trying to squeeze out all the hp to make the 200hp mark without cams, you should have knife edged the crank, and had the manifold and head proffesionally ported.

From what you said I'd bet that'd get you 200whp.

Man I really like this build. I had never even seen one of those supras until just now. I love fun obscure cars that you never see where there isnt much of an aftermarket and most of the big stuff you do hasnt been done much before.

posted by  Enthusiast

I thought about having the crank knife edged right after everything got done, but realize I am already on a very limited budget w/ this build anyway so...

Not going to port anything. My original plan, years ago, was of course to port the head and intake manifold, but have been reading many articles on how too large of ports can be bad. The smaller the port the more velocity the air = more power. Have seen numerous articles on using epoxy filler to make head ports smaller which have increased power pretty good. I'm just not ready to try that for myself just yet.

I may do cams eventually, but I don't like regrinds, I want brand new billets. And to have the grind that I want done on new billets will cost me around $800, which again, I don't have.

I want to play around w/ cam timing to see what I can get out of the stockers first.

posted by  TanyasMkIISupra

Smaller ports arent neccesarily good. The most flow (cfm) on the smallest port with the most stable air flow is the best. If you shrink your ports you could easily destroy the flow characteristics of the heads and create turbulence let alone actually end up flowing less air and hurting power.
A light port, with almosr all the work done in problem areas like reshaping the combustion chambers, reducing restrictions in the intake tract, and small stuff like that, can easily keep your runner size down but greatly increase the amount of flow and the stability of the air all while maintaining the velocity from a small port.

That is a big problem on LT1s alot of guys just hog out the manifold and make shitty numbers, when the fast guys still running the stock manifold are doing a light port and addressing the probelms areas.

A well experienced porter could probably take a look at the heads and flow them and find out a few things in the runners or combustion chamber that are holding you back and fix em, especially on an older motor like that, seems like restrictions would be more obvious.

posted by  Enthusiast

Well at any rate, any kind of head modifications won't be done for awhile. Only .005" was taken off the head bc of some pitting, so still rather basic.

Slowly starting to put stuff together
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ d96564d7.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 435d14e0.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ cbae1d76.jpg

posted by  TanyasMkIISupra

Mehhhh I didn't get as much done as I wanted to. I HATE plastigaging. It is so damn monotonous!

Piston rings installed
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 1d2ca7b6.jpg

Then the pistons/rods got lonely and wanted a friend
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 2e5df319.jpg

Set in her seat, waiting for the plastigage
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 73d44bd5.jpg

All torqued to spec. 75 ft/lbs. 3 passes @ 25 ft/lbs
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ dc23597c.jpg

Was going to put the rods in last night but I couldn't get the damn caps off. The machine shop installed the damn nuts pretty tight and now I'll have to put the rods in a vice to get the nuts off. OY!

More pix lata!

posted by  TanyasMkIISupra

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 6131d994.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ df8aeda7.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 51c4c377.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ d86200ad.jpg

Probably going to clean and install lower timing cover tomorrow, see if I can't find me an oil pump driveshaft that's not tweaked and install that too. Head should be going on as soon as I got those figured out.

posted by  TanyasMkIISupra

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 4d42e29d.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 77d1f5b4.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 7423a82a.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 5M%20Removal/105f541b.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 5M%20Removal/40674b31.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 5M%20Removal/babaedf0.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 5M%20Removal/a31b3ee7.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 5M%20Removal/34298f0f.jpg

posted by  TanyasMkIISupra

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 5M%20Removal/0c14ac89.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 5M%20Removal/8b7394d6.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 5M%20Removal/d4ad76c8.jpg

Today I get to remove the tranny and put the engine in a stand so I can grab off the cam towers. :)

posted by  TanyasMkIISupra

looking good. I'm guessing you are taking engine out in those pics?

is that other supra for parts or are you fixing up 2 of them?

awesome project.

posted by  carls47807

The other Supra is my boyfriends. It's been an ongoing restoration project for awhile. He has a very nice rebuilt 5MGE waiting to go in, and then eventually get twin turbo'd.

I didn't get my 5M on the stand today, however I grabbed the cam towers off and got them installed anyway. Far too lazy and in pain tonight to post pics. Will do tomorrow :)

posted by  TanyasMkIISupra

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 5dad18bd.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ 582595b8.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ a27d05ae.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ acdcb5dd.jpg

posted by  TanyasMkIISupra


http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ IMG_1680.jpg

almost there...

posted by  TanyasMkIISupra

Not a whole lot has happened in the past month. The engine is nearly complete; fuel injectors and fuel rail installed, wiring harness installed, miscellenous sensors installed, etc. I just got back from a weeklong vacation in Florida and am working on the car again. Got the 5 speed brake pedal and clutch pedal installed. clutch pedal still needs a bracket welded to the top, as the auto cars are missing that. clutch master cylinder is installed.

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ IMG_1816.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ IMG_1812.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ IMG_1808.jpg

Yesterday we got to work on the nasty battery tray rust. Now this is only a temporary fix, as I don't have a lot of time left to doddle on bodywork. So my bf took a grinder to the cancer and then I painted some rust converter on.

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/rust%20repa ir/7bf7cc7f.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/rust%20repa ir/IMG_2158.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/rust%20repa ir/IMG_2163.jpg

This is how it looks right now
http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/rust%20repa ir/IMG_2169.jpg

Was going to primer and paint the area today, but the weather is going to be crappy :(

My deadline to get this car running is BEFORE the 27th. I have 13 days left.

posted by  TanyasMkIISupra

Looks better each post. Good luck with the deadline.

posted by  Spanky2324

Oh yeah, it's in & running :D

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ IMG_2269.jpg

http://i160.photobucket.com/albums/t187/celicasupragirl/Black85/6M%20Build/ IMG_2272.jpg

posted by  TanyasMkIISupra

Wow...nice build.

Props to you for your hard work.

My pops had a black MKII like yours and kept that bitch running like a top.
I used to help him wrench on it a little when I was a kid.
It was that car that got me obsessed with Supras in general.
(Unfortunately, we didn't know about the 7MGTE swaps back then.

Anyways...good luck, and nice ride.

posted by  2JZ-GTE

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