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  #1  
Old 06-19-2019, 07:11 AM
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hairba11 hairba11 is offline
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Default Hairba11’s 1977 f100 project

Five years ago I picked up a f100.
It looked pretty solid for a midwestern truck but wasn’t running. It did fire off of ether though.






I dug into the little bit of bodywork I wanted to do

Like tearing out some crazy bondo


And repairing tailgate rust










And getting rid of the homebrew steel bed floor





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  #2  
Old 06-19-2019, 07:23 AM
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I used old aluminum load lock bars from semi trailers to make my new floor






And then started trying to figure out why it did not run.

It started with the electric choke not hooked up.
And the carb was gunked up.
And three plug wires were wrong.
And moved to the fact the crank pulley had two sets of timing marks on it, one for 302, and it was set on 351.
But I got it running finally
Then it got really hot after 3 minutes.
So I started looking into the cooling system.



That’s bad.
The waters pump was full of lime too.
But at least while it was running the c4 trans was really weak forward but had lots of power in reverse.

Depressed at everything being garbage I stopped working on it.



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Old 06-19-2019, 08:02 AM
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Fast forward 5 years.

Having the wife encourage you to fix it
And a friend who has done a handful of driveline swaps before I restarted the truck project in a big way.

The hard part was finding an affordable donor driveline.
I kept hoping to find a early cheap crown vic I could pull the carburetor 302 and AOD out of but one never came up.

But what did come up was a 1997 Lexus LS400


4.0 aluminum v8, 4 speed automatic, the PO was working on a gambler style build, all the rubber joints are now metal heim joints and turnbuckle links but he got screwed over on the title.
So I bought it with no title for $600

Now not only do I have a driveline, I’ve got some fancy suspension too.


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Old 06-19-2019, 08:17 AM
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So I got it running enough to get it moving


Got it into the shop next to the Lexus


And started tearing it down.


then a quick power wash.


Much nicer for working on.


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Old 06-19-2019, 08:25 AM
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Dash, column, and cab come off


Almost completely stripped.


No turning back now.


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Old 06-19-2019, 05:37 PM
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Started tearing down the car



Then while it still rolled I swapped positions with the truck and put it in hover mode



A lot of work went into getting the first cut done


A lot more work went into the second cut.


Frontcut is free!


Abs pump and A/C lines left hanging out


And out of jack stands so I put the truck chassis on stilts.


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Old 06-19-2019, 07:07 PM
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Interesting donor car! I'll be following along the newly revived project What other bits of the Lexus (other than the drivetrain) do you plan to reuse?
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  #8  
Old 06-20-2019, 07:27 AM
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I’m gonna try and move the floor and firewall in also. All the wires will hav places to go and I’ll get heated leather seats.


I pulled the engine out of the frontcut


Now the front aluminum crossmember bolts up through the box section. There a tubular supports inside the box.


The distance between the inside of the tubes is 32.75”
The distance outside the truck frame rails is 33”


So with the subframe unboxed, it should more or less slip around the truck frame




About like this.




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Old 06-20-2019, 04:51 PM
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I used a spacer and a sharpie and drew the contour of the truck frame onto the top of the box then cut it out.




I threw the core support on and added an inner and outer fender then put a wheel on just to check spacing. Figure it to ride about 5” lower at ride height.




The radiator is sitting in its core support. The driveline is gonna be almost 6” lower in the chassis than stock.


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Old 06-20-2019, 06:44 PM
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Man definitely keep the photos comin please, this is right up my alley. So much regulation in Australia makes this kind of thing difficult and expensive to jump through all the hoops. I'm watching so close I think I'm stuck to the screen
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  #11  
Old 06-22-2019, 05:45 AM
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Got the rear end dropped out and slid under the truck frame.




And cut the mounts out of the car


The subframe mounts bolting through conical pins attached to the unibody so I’m reusing the unibody to make the new crossmember




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Old 06-22-2019, 07:26 PM
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Got the engine and transmission on a rolling cart.


Then put a new timing belt and idler and tensioner and water pump on. It was gonna be due in 13k, so do it while access is easy.


And the front of the motor back together.


After measuring about 16 times I used some 14ga bent sheet metal tabs and started joining the frontcut to the frame. There’s a lot more to do but this is a start.


The motor is 27.25 inches wide and the inside of the truck frame was 27.5. I tacked a guide in place then trimmed the frame rails with the plasma cutter. Inside the frame rails is now 29 inches.


I dropped the motor in place to mock up the transmission mount


The new transmission mount bolts in the same place as the original one but is a few inches lower.


I threw the truck exhaust on and where I torched it off the 302 headers lines up almost perfectly with the cut off Lexus exhaust!


Since that worked so well I brought the car’s propshaft over. It’s carrier bearing lines up dead center under the rear cab mount crossmember.

This is up to current progress.


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Old 06-23-2019, 03:12 AM
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I love it when stuff lines up accidentally. Like it was meant to be there
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  #14  
Old 06-25-2019, 08:38 AM
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It really does seem like it’s falling together.
Today I worked on the car again


I’m going to try and reuse the dash and steering and heated leather seats and power brakes from the car and the truck cab floor pan and front cab mounts need rust repair anyway so I might as well put the middle of the car to use.



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  #15  
Old 06-26-2019, 07:13 AM
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This morning activity. Replace valve cover gaskets plugs and wires

Used a seal driver and the arbor press to ensure the plug tube seals went straight in.


Valve train is a nice clean gold color, not burnt or sludgy.


Got the plastic covers back on


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