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Old 04-29-2009, 12:06 AM   #1 (permalink)
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74 Hilux 18rc Engine Swap

Looking to get some more power in my truck. Ive got a 1974 Toyota Hilux with an 18rc 3spd automatic. Im thinking about swapping the motor and changing to a manual transmission. Can anyone recommend a motor/tranny setup that would fit nicely without too much mod work? 22r? 2tc? Thank you!
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Old 04-29-2009, 08:48 AM   #2 (permalink)
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22R and 5 spd would be the easiest and simplest, since they are the same engine family.
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Old 04-29-2009, 09:03 AM   #3 (permalink)
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I had that in my 86, very nice running drive train.
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Old 04-29-2009, 12:36 PM   #4 (permalink)
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So would I get a 5 speed tranny specific to the year of the truck, or something specific to the particular engine I buy? Sorry, I am kind of new to this. Thanks!
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Old 04-29-2009, 02:46 PM   #5 (permalink)
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Specific to the engine.
You should be able to pickup and an engine/tranny combo fairly easy and reasonable. The 22R was used from 81-95. The engine mounts are probably the same (a little reasearch will get you that answer), but you may need to relocate the tranny mount crossmember, and may have to shorten/change the drv shft.
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Old 04-29-2009, 05:17 PM   #6 (permalink)
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go ahead and drop in a 22re with five speed, use the fuel injection too, it be the only around like it
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Old 04-30-2009, 08:43 AM   #7 (permalink)
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I'm a firm believer in the K.I.S.S. principal, so I would say get the engine, tranny, driveshaft from a donor and have at it. There will be challenge enough to put that in. After that I would consider other changes based on what it took to do the prior. You are the best judge of your own skills, and having a completed phase under your belt will give you realistic time lines for future endeavors. The biggest problem I see in the auto hobby is people biting off more than they can chew. Ants can take apart an elephant, but they are organized and it takes time. Organization is key in this hobby. Time is what I can squeak out from under the "Honey do" list. Your mileage may vary.
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Old 05-01-2009, 10:12 PM   #8 (permalink)
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you should check out my 74 corona http://www.toyotanation.com/forum/t254393.html

which is for all intents and purposes its a 74 unibody 2wd 4rnr. its based off a pickup chassis and the suspension/running gear is the same.


just so happens that a 20/22r and a W58 from a 85 celica is the exact same length as a 18rc n A40. so the original driveline fits.


you will need to use the original tranny x-mem with the new tranny.




all in all my swap was a bolt in deal. i had to drill 2 holes for the tranny x-mem to bolt up. i even used the original radiator, with a lil searching at the parts store for the proper upper hose.



the only hiccup i had was the engine mount brackets on the engine side. i found a 75 in a junkyard and took those brackets just to be sure. the 22r is a lil taller then a 18rc so i needed shorter brackets.

but there is a lot more room under the hood of a 74 truck then a corona, so i bet you could get away with newer brackets. after install i noticed that the 18rc brackets were pretty much the same as the ones i got. so i bet in a pinch the 18rc brackets will work.


good luck and take pics
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Old 05-02-2009, 07:31 PM   #9 (permalink)
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Awesome, thank you for the info. So there will be no problem bolting up the w58 from an 85 with a different year motor? I found a junkyard in town with that tranny for $150. Also, you're saying that I can use the original tranny x-member, but I will just have to relocate it slightly? Thanks!
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Old 05-02-2009, 11:38 PM   #10 (permalink)
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in a nut shell here:


all "R" series engine bellhousings are the same. this gives you a ton of options

there may be some diferences when you get into the singe digits (-8r) but anything you find at a junkyard with a 18,20,22,22R or RE or RET or REC will fit where your R series fit.

you will need to use model specific mounts n brackets.




and ya if you get under and look at how your tranny is mounted you'll notice extra holes. a W58 mounting point is different a lil bit but the tail shaft length is the same.


word of caution:

i researched a crapload at the following sites, then measured and test fit and hunted. i have not, and am not familiar with the 18rc hilux. i know it can be done, but i havent done it. i would use mounting bolts off a 75-76 hilux, the chassis n cab are the same you can tell by the Bpillar vents.

www.classic-celica.com
www.celica-gts.com
google
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Old 05-03-2009, 10:16 PM   #11 (permalink)
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A swap is way over your head technically (you probably don't even know how to do even a tune up & valve adjustment on your engine yet) and budget, plus your trucks value will drop after the swap because vintage Toyota collectors don't want modified trucks.

Financially, your best bet is to sell the '74 and buy a newer model with the 20R/22R/22RE motor and 5-speed.
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Old 05-04-2009, 02:43 PM   #12 (permalink)
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Quote:
Originally Posted by verlaryder View Post
A swap is way over your head technically (you probably don't even know how to do even a tune up & valve adjustment on your engine yet) and budget, plus your trucks value will drop after the swap because vintage Toyota collectors don't want modified trucks.

Financially, your best bet is to sell the '74 and buy a newer model with the 20R/22R/22RE motor and 5-speed.

Ignore him, you learn by doing. If I hadn't tried it to see if I could do it, I wouldn't have built a rock crawling rig that's been in articles in 2 major 4X4 magazines.

Besides, if you are really concerned with resale value as a collectible, just keep the original parts.
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Old 05-04-2009, 03:49 PM   #13 (permalink)
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A Toyota Dealership Master Mechanic learns by STUDYING as well as doing labor. It takes hours of study to learn how to set spark plug gaps, ignition timing and valve clearances. If you don't buy a Toyota factory manual or at least a Haynes manual and study these procedures then you will never learn how to make your 18R-C perform well.

With a 20R or 22R you'll need to study even more because those engines have more complex emission controls and carburetors compared to the 18RC. The 22RE is even more complicated since it's all electronic.
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Old 05-05-2009, 10:59 AM   #14 (permalink)
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I don't think Teenage ever said he couldn't turn a wrench, so we really don't know his skill level do we? Verlaryder, you make good points, but we shouldn't jump to conclusions. Fourwd1 also makes good points, but ultimately Teenage will have to determine if he's overreaching.
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Old 05-05-2009, 01:35 PM   #15 (permalink)
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I obviously am new to the idea of swapping motors and transmissions, but that's why I posted in the first place; so I could get as much info on the subject as I could before I dive right in.
And for the record, I am very technically savvy, and have multiple friends who are mechanical masters, so I'm not doing this alone.
Plus, the point of doing projects like this is for fun and experience.

Not to get cheesy on you but,
“You can never cross the ocean unless you have the courage to lose sight of the shore.” - Christopher Columbus
"Those who say it cannot be done should not interrupt the people doing it." - Chinese Proverb

I really appreciate the help btw, I will let you know how it goes.
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