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76 K5: Megasquirt EFI, Electric Fan, and ICON Coilovers

Overview Gallery Discussion
It was a custom HOWE system. 2,5" double ended ram. Their P-pump, reservoir and cooler. Don't remember the valve. It was too many years ago. Worked great. One finger steering on any trail. I could put a tire against a rock and move the truck over. But driving on the road was work. I could not scratch my nose at 65mph. And no return to center. Got used to that pretty quick. Open stock 10 bolt.

I am also not running anti-sway bars on a 7000 pound truck that was built as a pre runner. But I have been know crawl it on occasion.

Picture whoring ahead.

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ktmoutfront said:
It was a custom HOWE system. 2,5" double ended ram. Their P-pump, reservoir and cooler. Don't remember the valve. It was too many years ago. Worked great. One finger steering on any trail. I could put a tire against a rock and move the truck over. But driving on the road was work. I could not scratch my nose at 65mph. And no return to center. Got used to that pretty quick. Open stock 10 bolt.

I am also not running anti-sway bars on a 7000 pound truck that was built as a pre runner. But I have been know crawl it on occasion.

Picture whoring ahead.

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Man, Wade, you need some new pictures. You've been plastering those all over the web for 2+ years now.

I'll expect some new ones soon. :deal: :thumb: :popcorn:
 
@ktmoutfront, did you intentionally run non load reaction? If so, why did you decide on that? I figure having load reaction would be better to have road feel and return to center function for the occasional on road driving that I do. Would probably be better too for when driving fast off road, and I don't see it causing issues when doing slower technical crawling. Do you remember off hand how many turns you had lock to lock?
 
Campy. I need to slow down to get more pictures. Never take any. You will notice that all of those were taken by somebody else. And if you weren't on every thread here, you wouldn't see them so often. :D

Sec, I ran out of time initially. But it never seemed to be an issue and once I was used to it, it became fun and a conversation starter. When I spend 45 minutes at Blazer Bash giving rides, I am all smiles.
 
Thanks for all the input! It's always good to hear from guys that have done what you're trying to do. I'm thinking I'll still forge ahead with the full hydro plans, as I foresee this being a mostly trailered rig pretty soon anyways. I might just try to cobble the frame back together initially for a temporary fix, just to give me a little extra time to build up to the budget i want to spend on this. I'm dying to take it for a trip...
 
ktmoutfront said:
Campy. I need to slow down to get more pictures. Never take any. You will notice that all of those were taken by somebody else. And if you weren't on every thread here, you wouldn't see them so often. :D
Click to expand...

I'm not on every thread, I'm just stalking you... :pimp:

You should have plenty of cameras pointed your way next week, you won't need to slow down. Fast shots are awesome shots. :thumb:
 
Wow, I'm a month behind in updates... Ok, this could take a little while...

First update, I ordered a bunch of steering upgrades, haven't gone to the full hydro level yet, but my hydraulic system should be fully capable of running it even I decide to. My power steering pump was toast, so I got a new p pump, PSC remote reservoir can, a reservoir, remote filter mount, a plate style fluid cooler, and 3200 psi hydraulic hoses with field serviceable fittings.

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So that got me thinking... All this work to upgrade my hydraulic system, and my power steering belt slips really really bad... I had a bastard bracket system that came from multiple trucks, and I never could get the belt to tighten up sufficiently because the pump moved the wrong direction to put tension in the belt.

I decided to go to a serpentine belt setup out of a mid 90's truck. It corrects for standing wave variations of the belt with the auto tensioner, I only have to carry one spare belt, they last forever, and I get to upgrade to a 105 amp alternator...

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Then, I started thinking again. I said to myself, "self, you're already pulling everything off the front of the engine, you may as well install that camshaft and intake manifold you have sitting under your workbench. And then you may as well get your megasquirt running while you're at it..." Sometimes self doesn't know when to stop...

So, with the help of @sreidmx , we got my engine torn down, cam installed, serpentine system installed. I've got my throttle body installed, all the wiring is set up. I still have to swap out my fuel tank, and finish putting the power steering system and radiator back in, and then I'll be ready to burn in the cam.

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Continued

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So that's where it sits for now.

Also, in other news, I've sold my Fox 2.0 coilovers to @bergerking, and I'm currently working with Icon's operations manager to build a custom coilover that's specifically built with the necessary valving for these trucks. This is a very exciting prospect for me... I can't wait to see how these shocks run...
 
Been a little slow on the updates again... Tore my meniscus about a month ago, been stuck home with that since. Unfortunately, having a knee injury also precludes working on the truck....

Finally felt good enough to get back out there this week, so I've been hitting it hard. Got all my wiring finished up, serpentine stuff bolted down, fuel tank swapped out, fuel lines made, relays installed and wired, power steering hydraulics mounted and plumbed, e-fan temporarily mounted...

And finally got to start it up last night! Gave it a good 30 minute burn in on the cam. It was a little rough getting going, but I figured out late last night what was wrong...

In case anyone out there reading this decides to do megasquirt, the general settings where your set up your basic stuff, it asks you for number of cylinders to calculate your required fuel... I thought it odd that they would want to know the number of cylinders for that calculation, but I thought to myself "don't argue with the experts, they know more than you do..." After reading many, many pages of tuning documentation, I found one little snippet that said "Note: Under number of cylinders, input number of injectors." I only have 2 injectors... So that's why I was running so lean and couldn't get it to run with the calculated VE table, it was only feeding it 7ms of pulsewidth when it should have been getting 28ms... Only giving it 25% of the fuel it should have been. :dunno:

Also, when I went to restart it after a shutdown, had a dead battery. Finally figured out that my junkyard alternator isn't charging. Tried all kinds of things, hooking up the sense wire to the batt post, which should be done internally anyways, and putting resistors in the idiot light terminal, etc... Nothing would get it to kick on, but the idiot light wasn't on either... At this point I can only assume a fried regulator or something, got it off the truck, take it to O'Reilly's tomorrow for a test and probable replacement...

Then on to more fuel tuning. Waiting for Icon to finish my shocks, hopefully they'll be done next week. In the meantime I'll probably replace the bracketry with our own plasma cut setup, they look and function much better than the ugly stuff I cobbled together when I first built this truck...

Pictures to follow.
 
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