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Old 09-25-2018, 10:19 PM   #1
2turbotoys
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Default My '79 242 L33 turbo build

So I decided I should start a project thread to have everything in one place..

The car:
1979 242, came with 4 speed and B21 running Megaquirt 1.whatever on the fuel only, PO installed this when the CIS pooped the bed. Brown hand stenciled graphics and pinstriping apparently done in the early 80's. Interior is in great shape. It had rwd 960 wheels and I drove it home for $2500. I have to find the first pics but this is what it looks like now.




Why this car:
Skip this if you don't care about anything except the mechanical stuff haha. My first Volvo was a 1978 242 in this exact color combo, but automatic (21 years ago or so). It was full of empty cigarette cartons and mineral samples. I drove it for a year or so and absolutely loved it. It started to have a minor transmission problem and I didn't know much about cars at the time, a friend of mine approached me saying a mutual friend needed a car, would I sell? Turns out it was my high school girlfriend (we weren't together for a few years at this point) who needed it. Sold it to her, it was her first car. The reason for this long winded story is that so many years later we reconnected and are now engaged, so this car is sentimental to both of us. As some of you may know, this can also help when you spend a bunch of time and money on a project haha.

Project goals:
Originally was 500 hp from a B230FT out of my old 740T. After some thought, planning, and blackberry brandy, I decided a V8 is a better, easier way to get to that goal. Research lead me to the all aluminum Chevy L33 truck motor. The descent into madness begins... I found an L33 on LSX4U.com, and they gave me a great price from a 2015 Silverado 1500, $1800 delivered. They dyno test before shipping, and found low oil pressure due to worn cam bearings, the engine had 175K on it! They offered new bearings, or a cam upgrade for $1250. I said go for the cam. After some thought I asked how much to build it to withstand boost, I was going to do that anyway, they gave me a # well under $3000. I said go for it, I can't do better than that. The final result was an engine that dynoed at 450 hp N/A, and they say it will make a solid 800 to 900 hp @ 15 psi. I told them it would be a single 67mm turbo, but probably twin 60mm turbos depending on the room I have left.
Another part of the goal is to do things once, and do them right. I plan on keeping this car forever


Untuned dyno test with new cam












Cam specs

I have already done R brakes, except the master cylinder which is sitting in my parts pile.

Transmission is a Tremec TKO 600 with carbon fiber synchros, waiting to mock it in for other upgrades, from Hanlon Motorsports, I can't recommend Bob Hanlon highly enough, I should have got all the transmission stuff from him, instead I did it the hard way and ended up buying the following:


Some of the goodies I bought as a kit from Pace Performance. Kit part # GMP-TK635828



Transmission is here!

Rear is going to be a Ford 9" which Moser will build with 3.73 or 3.89 ratio and Wavetrac

Suspension will hopefully be mostly Kaplhenke Racing, Ben has been patiently answering my questions..
JRZpro front and rear coilovers
Adjustable trailing arms
Adjustable front strut mounts
Strut brace
Master cylinder reinforcement
Hybrid torque arms
Spherical axle bearings
Adjustable swaybar end links
Maybe adjustable panhard bar

To figure out still:
Electric waterpump, the only accessory I will be using is an alternator, got relocation kit to get rid of all that serpentine belt nonsense, alternator will be mounted on bottom of the block on the drivers side.
Fuel delivery, have Aeromotive 340 fuel pump, but think the sending unit should be modified for AN-6 lines
Electric water pump, stumped on that one at the moment because I'm eliminating the factory accessory bracket I have no idea what fits yet.
Need to find a body shop near me to pull the fender or tub, 245/40-17 isnt enough. remove rust and repaint in the same color, undecided on replacing some kind of brown 70's graphics..Keep them (done better) or no? It will get the brown pinstripes back.



My garage help, her name's B

Thanks again Turbobricks for all the help throughout the years, I've been here since the 90's and this place and its members have helped me do some really fun stuff! Updates coming soon..
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1979 242 B21 on MS, waiting on L33
1991 740t RIP at 320K, dam rust...
2006 V50 T5 AWD Eurosport Tuning Stage 1 kit, downpipe, intercooler

Last edited by 2turbotoys; 09-26-2018 at 06:13 PM..
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Old 09-25-2018, 11:56 PM   #2
brendon_ak
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Nice project! You're doing it right for sure!

I'd go full poly bushings save for rear axle and rec. boxing front and rear arms in too. Bens stuff is amazing, yoshifab is phenomenal too.
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Old 09-26-2018, 06:14 PM   #3
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Thanks! I will be boxing the front and replacing the rears with Bens adjustable trailing arms. Added some pics.
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Old 09-26-2018, 06:20 PM   #4
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Dat color tho
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Old 09-26-2018, 07:43 PM   #5
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This project seems like watching myself...if myself were in another universe with a lot more money! Everything I wanted my engine to be, even the transmission I wish I could have...dang. Subscribed for sure! Can't wait to see this come together.
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Old 09-26-2018, 08:21 PM   #6
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Haha, sorry its not beige Ben.

Thanks SML, I have been wanting to do something this for a long time!
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Old 09-26-2018, 08:54 PM   #7
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Haha, sorry its not beige Ben.

Thanks SML, I have been wanting to do something this for a long time!
Its all good, will look killler with a brown strut brace.
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Old 09-26-2018, 08:56 PM   #8
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Its in the cart
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Old 09-26-2018, 11:28 PM   #9
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This thing is going to be awesome!! Subscribed
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Old 09-26-2018, 11:50 PM   #10
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Are you going to lower it? I feel like stock height would be hilarious for a little while just to go full troll It will look good lowered too. What wheels are those? Spacers/Adapters?

Edit: I LOVE dogs, so pet your puppy for me!
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Old 09-27-2018, 07:32 AM   #11
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Funny you should say that, the rear has lowered itself over time, it got a bit better when I put some Bilstiens back there but the springs are beat. I have a set of 245 wagon springs that will probably jack the car up pretty good, haha. Its getting coilovers all the way around then and getting lowered a bit, probably 2" max. Low is slow on PA roads. Haha I'll say hi to B for ya
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Old 09-27-2018, 10:45 AM   #12
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Btw, check out this: https://youtu.be/KFWihdbiZqE

Flying Sparks Garage did a LS 280z with an electric water pump. fast forward to 4:59 to see it. It's more of a remote mount situation, which might make things worse for you since you're going twin turbskies as far as engine bay room. It's nice to know about this option though. Since its electric there's little reason to have it anywhere near the accessory drive, but if that's where you've got room, I'm sure there are other options. Just thought I'd share this since I'd watched it months ago.
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Old 09-27-2018, 12:07 PM   #13
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Nice write up man. Can't wait for a ride!

-Friend of 2turbotoys and proud new owner of the '88 240 in 2nd pic.
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Old 09-27-2018, 07:04 PM   #14
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Whats up Dave and Dell? Hopefully we can go for a ride sooner than later, the shop where we are going to install this has a small unexpected backup, which is fine cause I'm still collecting parts.
That's an interesting solution on that 280z, not sure I have room for it, but cool to know its out there.
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Old 09-28-2018, 09:11 PM   #15
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Small update...STS clutch pedal, IPD swaybars, and 18" spare tire added to the parts pile...I'm running out of room to store parts...transmission is still in the back of my V50 for the last couple days haha
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Old 09-29-2018, 09:30 PM   #16
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No progress, just pics to entertain



B is demanding payment for her hard work!



So much work both my helpers are worn out completely



Some 240 goodness, the 242 is sitting on my V50's stock rims, I really like the way they looked, but won't fit over the R brakes



My friend Tony reducing the amount of tire scrape over bumps, semi successful lol
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Old 09-30-2018, 10:35 PM   #17
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This car is going to look incredible once completed. Can’t wait to see the items I sold to you on the car!

Too bad it can’t use my NOS/NIB flathood also.
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Old 09-30-2018, 10:56 PM   #18
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I cant wait either! Can't fit the engine under a flat hood...and I really like the quad rounds. I've had people driving by taking pics with their phone instead of watching where they are going, talking my ear off at the gas station, beeping with thumbs up on the highway, I'm a bit shocked at the public reaction to driving this car around, even in mostly stock form.
Taking my temporary 245 wagon springs to work for mil spec paint tomorrow, we are painting a bunch of stuff so I'm going to slip them thru that process haha
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Old 10-01-2018, 09:47 AM   #19
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I cant wait either! Can't fit the engine under a flat hood...and I really like the quad rounds. I've had people driving by taking pics with their phone instead of watching where they are going, talking my ear off at the gas station, beeping with thumbs up on the highway, I'm a bit shocked at the public reaction to driving this car around, even in mostly stock form.
Taking my temporary 245 wagon springs to work for mil spec paint tomorrow, we are painting a bunch of stuff so I'm going to slip them thru that process haha
You'll be surprise of other peoples reactions. I had a guy a bro dowzer chase me down to get a photo the other week.
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Old 10-01-2018, 05:37 PM   #20
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Haha! Ya I have been surprised at the reactions to it now vs 21 years ago when I drove the first one.
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Old 10-01-2018, 07:38 PM   #21
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Originally Posted by 2turbotoys View Post
I cant wait either! Can't fit the engine under a flathood
If you use LS1 intake it will fit.
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Old 10-02-2018, 05:42 PM   #22
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I was told I would need to change a lot of stuff to use an LS1 intake...not sure if that's true or not. I sold the flathood setup anyway, but may want to change the intake at some point anyway, the truck one is kinda ugly.
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Old 10-04-2018, 09:11 PM   #23
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Suspension goodies Part 1 Got another box of super cool stuff I haven't had time to photo yet...hopefully tomorrow..
Ben even sent me a sticker that matches the car! That's great service! Can't wait to get the rest of the suspension parts!
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Old 10-04-2018, 10:06 PM   #24
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Snow cap in the freakin box!! Ya I bought it...I'm a sucker for the rare stuff...







Trunk popper option, anyone know where the button is supposed to mount? Whats the extra plastic plate for and where does it go?



Proper ratcheting armrest

Last edited by 2turbotoys; 10-04-2018 at 10:21 PM..
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Old 10-04-2018, 10:16 PM   #25
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Button goes in glove box, upper left corner.. Plate not sure. Or just sell the set up to me.
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