The Toyota W58 Thread

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DJpowerHaus
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The Toyota W58 Thread

Post by DJpowerHaus »

This dude has been IMing me about doing the W58. I've always been skeptical but he sent me lots of links he is researching with and says he is getting parts today. He'll be sending me pictures to post and other info as well. Here are the links:

http://www.celicasupra.com/TransTech.htm
http://orl.dsmforum.com/showthread.php?t=8011
http://home.comcast.net/~becksters74/4g63sonoma.html
http://www.dsmtalk.com/forums/showthrea ... ge=7&pp=25
http://www.geocities.com/piercedjd/tranny.html
http://www.starquestclub.com/forums/vie ... hlight=w58
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Getting the engine bolted in is about 10% of the way there.
The next 80% can go quickly with help and skill.
That last 10% takes about as long as the 90% that came before it.
Mike
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Post by Mike »

Why bother when it's HP limit at the crank is claimed to be 350?
flatblackdime
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Post by flatblackdime »

the toyota W58 tranny is a copy of a Tremec T-5...I'm sure some strengthening can be done. People use this tranmission for all sorts of swaps in to old itallian/british/etc cars. Either way 350hp is alot more than a starion tranny can hold :)

Not to mention a DSM narrow block is incredibly easy to find, also alot cheaper than putting a set of forged pistons in a 4G64. Besides, if you want a 500hp+ starion drag car, buy the powerglide conversion from buscher, it'll get you alot farther.

That being said, I didn't get the tranny that the local junkyard had as they wanted $175 for it, and upon picking it up it poured water from every orifice. I did take measurements though. Everything is within 1/4" for hole positions. Should be a matter of filling up the holes, laying a template down and re-drilling.

The other challenge is the clutch, as you have to use a toyota disk and a DSM pressure plate. I msg'ed one of the clutch retailers on ebay and they said it would be possible to sell a clutch package /w a toyota 6-puck disk and the DSM pressure plate. Cost would be ~$170

I'm going back to the junkyard this afternoon, I'll try to remember my camera and snap some photos of this whole setup.
flatblackdime
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Post by flatblackdime »

TruckA
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Post by TruckA »

Have you came across this yet?

http://www.japaneseauto.com/pages/4/index.htm

It may be of help to you. I kept the AWD drive bellhousing from the talon I sourced my engine and parts from in case I decided to go this route. The transmission was dead already.

- David
flatblackdime
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Post by flatblackdime »

that's really interesting, I'm going to attempt the route that PiercedJD took, wich involves welding shut the existing mounting holes in the W58 bellhousing and re-drilling them for the 4G63

Did you have any issues /w input shaft length?
DJpowerHaus
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Post by DJpowerHaus »

That's the same exact transmission as what Rotzuk was working on.
Image
Getting the engine bolted in is about 10% of the way there.
The next 80% can go quickly with help and skill.
That last 10% takes about as long as the 90% that came before it.
TruckA
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Post by TruckA »

Not trying to hijack the thread, but the info I need may be useful for swap information. I found a guy online near me that is into building late 70's early 80's toyota engines, and I asked him if he had any spare RWD transmissions he may want to part with. One is from a 1.8, 3TC...it's a 5 speed
the other is from a 20R, or 22R, 5 speed. I've emailed him for the years and/or models, but haven't heard back yet, but do any of you know (or where to find) which W transmissions these may be? By the way, I had come across this in the past:
http://en.wikipedia.org/wiki/Toyota_W_Transmission

Thanks,

David
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Post by DJpowerHaus »

I JUST got this in the email.
Hello every one,

I feel I owe you all an explination,( especialy Richard Floyd) I have moved my shop to a bigger one and have worked around the clock trying to finish the bellhousing to mate the 4g63 to a w55 trans.
The pattern was the problem because the pattern for the casting had to be exactly 1 % bigger than the plans. I had built a sheet metal skeleton and filled it with bondo and shaped the pattern by hand from the existing model I had built using the adaptor plate. When I built the pattern I used all the Toyota clutch parts except the pressure plate ( which is Mits)
with the drawings and the pattern , plus the castings , I have spent about $8500.00 .It took extra time to find the money and have the faith that I can sell enough of these units to break even at about 50 units.
This will be my second casting, which is being done at this time, I ordered 15 units that I should have next week,( june 25th) after I get these units back I have to take the drawings to the machine shop and have them machined to exact specs, I dont know how much that will cost or how much time it will take, I have also built the proper jig for the machine work, so I will do the first couple units until I am satisfied with the results.
The bellhousing is thicker than the original and include two extra lower bellhousing bolts at the bottom of the housing to mount to the engine providing extra strength.
I will be sending picks and info to a website committed to the 4g63 rear drive swap at www.projectzerog.com take a look and maybe we can all work together and make something nice
Thanks Richard, I owe you one
Bill Hincher
www.japaneseauto.com
Image
Getting the engine bolted in is about 10% of the way there.
The next 80% can go quickly with help and skill.
That last 10% takes about as long as the 90% that came before it.
TruckA
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Post by TruckA »

I received the same message, I'll probably pick one up if I can.
DJpowerHaus
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Post by DJpowerHaus »

He says he has $8500 into it now, which means I'm sure it will grow to at least $10,000. He says he wants to sell 50 to break even. That puts the price around $200 minimum for just the bellhousing. Are there 50 people willing to spend that? I can think of maybe 20 over a few years, but not 50. I wish him the best of luck though and will do anything to help.
Image
Getting the engine bolted in is about 10% of the way there.
The next 80% can go quickly with help and skill.
That last 10% takes about as long as the 90% that came before it.
screemin eagle
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Post by screemin eagle »

hey theres people willing to spend big money with buschar why not with this guy.
88 conquest 4g63 now sporting a crankwalked boat anchor
peregrine
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Post by peregrine »

screemin eagle wrote:hey theres people willing to spend big money with buschar why not with this guy.
if this proves to work then peope will gladly spend the money. i went with buschurs stuff cause he ran 7s on it. nuff said. i hope this really does work so you guys will have more alternatives.
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TruckA
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Post by TruckA »

Update, received in an email:

the bell housings are cast we are having the castings machined now

Bill 7/21/2006


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DJpowerHaus
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Post by DJpowerHaus »

I got that email too. Here are some more for everyone else:

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Getting the engine bolted in is about 10% of the way there.
The next 80% can go quickly with help and skill.
That last 10% takes about as long as the 90% that came before it.
TruckA
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Joined: Thu Mar 09, 2006 7:08 am

Post by TruckA »

DJpowerHaus wrote:I got that email too. Here are some more for everyone else:
I'm jealous, he sent you more pics.
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