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« Last post by chevn-up on Today at 05:57:01 am »
Man, this is fun. Ok, next in my progression is the bed. Time to wake her up.
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« Last post by 78 Chevyrado on August 14, 2026, 11:27:37 pm »
I've been looking through my old pics and such of the truck and things I did to make it work. This is one of them. This is likely from 2006 or 2007.
That truck never downshifted and irritated me greatly on the freeway. after this fix, 20 years later still works like a charm.
Have you verified that the carburetor throttle plates open 100% whenever the accelerator pedal is depressed to the floor?
In many instances in which the accelerator pedal lever arm didn't contact or sufficiently depress the detent switch, I found that the lever arm was distorted from its original configuration, preventing WOT. Sometimes, the problem was introduced when a truck that was originally delivered from the factory with rubber floor mats was subsequently fitted with carpet and pad, effectively decreasing accelerator pedal clearance with the floorboard, hence pedal travel before contacting the floorboard. The decreased pedal travel limited both throttle deflection and detent function. In both scenarios, bending the arm into its original geometry restored both THM 400 detent and WOT. It could be worth a look.
Yes I had verified that previously. There was house carpet in the truck and i had to cut out a section to let the gas pedal do further down to the floor. even then, it still would never downshift.
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« Last post by Captkaos on August 13, 2026, 04:58:34 pm »
I am using a Terminator X Max on my daughters 2011 Mustang that I LS swapped with a 4L60E, I ran out of I/O fast, it only comes with 4 fully programmable inputs and 4 fully programmable outputs.
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« Last post by JohnnyPopper on August 13, 2026, 02:50:43 pm »
Video please?
After it reaches OT and gassed at WOT PLEASE?
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« Last post by bd on August 13, 2026, 12:01:17 pm »
I've been looking through my old pics and such of the truck and things I did to make it work. This is one of them. This is likely from 2006 or 2007.
That truck never downshifted and irritated me greatly on the freeway. after this fix, 20 years later still works like a charm.
Have you verified that the carburetor throttle plates open 100% whenever the accelerator pedal is depressed to the floor? In many instances in which the accelerator pedal lever arm didn't contact or sufficiently depress the detent switch, I found that the lever arm was distorted from its original configuration, preventing WOT. Sometimes, the problem was introduced when a truck that was originally delivered from the factory with rubber floor mats was subsequently fitted with carpet and pad, effectively decreasing accelerator pedal clearance with the floorboard, hence pedal travel before contacting the floorboard. The decreased pedal travel limited both throttle deflection and detent function. In both scenarios, bending the arm into its original geometry restored both THM 400 detent and WOT. It could be worth a look.
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« Last post by chevn-up on August 13, 2026, 05:17:36 am »
....
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« Last post by chevn-up on August 13, 2026, 05:16:32 am »
done in a day
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« Last post by 78 Chevyrado on August 12, 2026, 08:15:25 pm »
I've been looking through my old pics and such of the truck and things I did to make it work. This is one of them. This is likely from 2006 or 2007.
That truck never downshifted and irritated me greatly on the freeway. after this fix, 20 years later still works like a charm.
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« Last post by 78 Chevyrado on August 12, 2026, 08:13:17 pm »
I've had a triple horn manifold and one separate horn with a 13 gallon tank for years and to this day my body still cringes Everytime I touch that switch!! Absolutely my favorite thing I've ever put on any vehicle!!
Years ago when I first got the triple manifold, I stripped them down, cleaned all the casting flash and polished the internals, drilled out every fitting so I had a true 3/8" hole everywhere. I have about $12 in my system but never found a compressor I wanted to afford.
Thinking about an ac compressor setup when I get it back on the road again.
I always wondered about using one of those old 60's ford york compressors for this. they used to be cheap, probably big bucks now.
Yes they are, there are complete kits now but I'm not paying for that. My plan is to drill and tap the oil passage in the perforator plate and hop that the pistons don't have to have oil on top, and the circulating oil is as designed for system components. Thinking about trying it on my Duramax first.. if it last ther it'll definitely last on an LQ4.
Okay now the embarassing post.
So I drive the truck to work, air horns primed, get home, park in the garage, close the door, I'm getting out and my lunchbox hits the horn button...  God it was so loud and unexpected! If I woulda had to pee I would have.
Been there! That's why I removed my ash tray and made a bezel for the horn and rear locker buttons.
What sucks is I used to have a york compressor that was for the stock AC on a 69 mustang. I sold it way back before i ever thought of having an air compressor on board. I have a switch to turn the horns off, but hey if it's not ready to go how much good is it? 
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« Last post by 78 Chevyrado on August 12, 2026, 08:10:46 pm »
Custom! Looks good!
Just need a vacuum now... 
Yeah it does
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