1968 F100 6.0 ls build

[hackster]

Well, this build kind of took a little turn for the last few weeks.

After the big push to get the truck done for Goodguys Puyallup and have it run like crap that entire weekend when it ran at all I worked with a few guys on LS1 tech to get a new computer with the proper operating system in it and decided to start over on a tune with HP tuners.

Anthony setup an ecu with a 6.0 4l80E tune. Ron came over and we spent an entire 100 degree Sunday messing around with the truck trying to get a tune on it. We had the truck running but the tune was still wrong. We checked the fuel pressure at the rail and it was waaay too high at 92 psi. I pulled the fuse on one pump and the pressure at the rail came down to 58 psi right where it should be.

With one pump running the cavitation I was experiencing got worse. As the truck was running we could watch the datalog and see the truck going from rich to lean and back again. As the pump would cavitate it would go lean, then the pump would pick up and get quiet and it would go rich.

Ron headed out of town for a few weeks after that and I literally have not touched the truck. It is in the exact same spot with the ecu hanging out of the glove box that it was when Ron left.

I need to rebuild the fuel system. I am pretty sure I will just do a new tank with an Aeromotive Phantom system in the top of the tank. I cannot get the Bosch 044 below the level of the tank sump without it being super low to the ground.

With that being said, I have lost pretty much all motivation to work on it this summer with just a few weeks of nice weather left up here I am going to enjoy it out doing something instead of working on the truck.

Originally Posted by BritishGreen68

does it boost yet??

A little....6lbs and 50% Throttle and the thing is still stupid fast on a terrible tune.

Originally Posted by DBasher

I talked with him at the nostalgia drags and saw the truck, super clean and the Rushforth rims looked incredible in person! Couple weeks later I ran into him at the Portland OUSCA deal. He showed up to watch in the Volvo he built, I gotta say, that thing is fuggin bad! LS, 5 or 6 spd, original paint, super clean install and some nice CCW's.

If I remember the truck was still getting some tuning and made something like 480hp with pretty low boost. When I left he was searching Craigslist for a Fairmont and a 26" BMX cruiser.

I hope he shows back up, I have some questions about Daikin VRF systems.


Dan

Funny guy you are. Was good to see you guys two weekends in a row kind of funny how much we have in common really.

Thanks for the props man, car is pretty damn fun to cruise around town in. Been racking up some miles the last few weeks on it too. Got just under 30 MPG heading down south last week.

Let me hear more about this Daikin VRF stuff you want to know about. I am a Daikin authorized 3D dealer here at work and we have installed lots of them...

Originally Posted by 214Chevelle

Truck looks really good. I like the badge that's on there now if you ask me.

Thanks, lots of thought went into them and even though they are not really the right font, they look pretty slick.

Rushforth put the truck on his Facebook page and I was a little suprised at how many haters there were on the Chevy powerplant in the Ford.

I guess after years and years of engine swaps, I dont even think about it anymore, cool is cool in my book. If someone put a ford in a chevy and did a great job of it and it made a great car as an end result I would care less of who made what part.

I guess when the weather gets ****ty here, Ill pull the hood off for Aaron and Chris to work their magic on it and get a fuel system ironed out.

Dan, Ill pm you my number.

Sean

[Spiffav8]

Bummed to hear it's being stubborn with ya. Hey...it's the shake down period and there are always a few glitches. It's to be expected. Probably not a bad idea to walk away for a few. I've spent days working on one little thing trying to make it work or fit with no luck. The next day....BOOM it's done in like 2 minutes.

The truck looks great and it's going to be a lot of fun once you've got it all dialed in.

[ScotI]

Originally Posted by hackster

Rushforth put the truck on his Facebook page and I was a little suprised at how many haters there were on the Chevy powerplant in the Ford.

I guess after years and years of engine swaps, I dont even think about it anymore, cool is cool in my book. If someone put a ford in a chevy and did a great job of it and it made a great car as an end result I would care less of who made what part.

Eff-em....
You are spot on: Cool IS cool regardless of the manufacturer. I'm a Bowtie guy but I love all cool vehicles (& Volvo's too ).

[hackster]

Ordered up new fuel rails and adjustable fuel pressure regulator with a gauge on it yesterday.

Going to reconfigure the fuel pumps location to right at the tanks, get rid of one of the filters and plumb it up differently. This should hopefully fix my fuel system woes and get me back to doing some tuning on the truck.

Not having it running or driving after all this major work due to what I believed to be a small problem is pretty annoying. I just need to get it fixed and get it out to use it. It does nobody any good just sitting in the garage taking up space.

More to report in a few days.

Sean

[hackster]

For those that are following along with this here is my most recent update.

New Billet fuel rails, adjustable fuel pressure regulator are installed and quite nice looking.

I lowered the mounts for the fuel pumps several inches and ended up with much happier fuel pumps. We were able to set the fuel pressure right where it needed to be at 58 labs and fire up the truck and the pumps sound so much better now. =)

My friend Ron and I have been working on getting it running better for the past few weeks and learning as we go. We were stumped for a long while as even though we had the MAF failed in the tune, the truck would not allow us to make any changes to the VE Table and we were getting no code for MAF not being there.

Ron finally figured out a few settings in the tune that we needed to change and we were finally able to fail the MAF and make changes to the actual correct VE Table. this was the last day that we were able to work on it. Ron took off for a week in the Desert and I then took off for a few days and headed to Vegas for a long weekend with the wife.

Weather is turning to fall weather up in Portland now so most likely this will be stuck in the garage for the next several months. I am really hoping that we can get a descent tune on it get it running and driving reliably and make a little boost so I can tear into it for this winters round of work.

15" front Wildwood brake setup to finish off the brakes and a totally custom interior.

Hope to get some photos up here soon to get this thread more exciting =)

I am trying to come up with next summers big trip. Any opinions on the best event to try and get to next summer?

Short list for me is:

Power Tour
Holley LS Fest
Bonneville Speed Week

What big shows you guys headed to next year?

Sean

Sean

[BritishGreen68]

Power Tour would be super fun.. I think im going to do a turbo LQ4 or maybe a 5.3 in my camaro with a 6 speed, after seeing your truck and doing some research I cant see putting a bunch of money into a gen 1 small block again. Did you ever bring the hood back to Aaron?

[WSSix]

Good job, Sean. I hope you're able to get it out a couple more times before winter sets in.

[ModernDay67SS]

Wow... Love this!! Amazing job

[Ketzer]

Originally Posted by ScotI

Eff-em....
You are spot on: Cool IS cool regardless of the manufacturer. I'm a Bowtie guy but I love all cool vehicles (& Volvo's too ).

^^ THIS ^^!!

[hackster]

Originally Posted by BritishGreen68

Power Tour would be super fun.. I think im going to do a turbo LQ4 or maybe a 5.3 in my camaro with a 6 speed, after seeing your truck and doing some research I cant see putting a bunch of money into a gen 1 small block again. Did you ever bring the hood back to Aaron?

Not yet...there are a few other things that need to be sorted out over the winter with the paint. The seam sealer on the cab and the bed continues to crack the paint, the bed is getting worse along the horizontal seam and above the drip rail on the cab is really bad. I am concerned. Are you not working out there anymore? Hope you are you do great work man.

I would do a 5.3 in your camaro in a heartbeat. They are cheap and easy to get your hands on, get it up and running and then put some boost to it. I wish I would have gone that route instead of Boosted from the start.

The Gen 1 motors are just old these days. I can get an easy 300hp junkyard 5.3 that will run circles around an old carb small block for a fraction of the money. Let me know if I can help, I would be happy to.

Originally Posted by WSSix

Good job, Sean. I hope you're able to get it out a couple more times before winter sets in.

Thank you....you and me both.

Originally Posted by ModernDay67SS

Wow... Love this!! Amazing job

Thank you, hope it gets better this winter with some more goodies.

Originally Posted by Ketzer

^^ THIS ^^!!

It is nice to hear that some people still get this.

Here are a few shots of the new fuel system at the front.





Super happy with how the black billet rails and the regulator worked out. I was able to mount the regulator directly on the back of the fuel rail cleaning up the entire setup.

Sean