Recent Posts

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Engine/Drivetrain / Re: bad vibration
« Last post by philo_beddoe on August 26, 2026, 04:57:10 pm »
No change! Now what?
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Electrical / Re: TCC lockup pin location
« Last post by frotosride on August 26, 2026, 04:23:06 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.

Yes, the outputs are definitely the things I'd want more on for the basic unit. They do have an I/O expansions that simply plugs in and uses can bus just like the everything else. I just decided to limit myself and not spend the money. At least that'll be one more slightly reliable Trashstang on the road.
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Engine/Drivetrain / Re: bad vibration
« Last post by philo_beddoe on August 25, 2026, 06:45:44 pm »
Update!!! Close to 10 years since VZ installed my crate GM 350 and did a carb tune up. I have not touched a thing other than a minor choke adjust. Just now getting a rough idle. Accelerates and goes smooth, just a low chuggy idle. Was on vacation for the last 10 days, first noticed when I got back.

Nothing popped off the carb, such as those port caps, pcv valve is still sucking and buzzing. Both filters are dark though, external and the internal one at the front of the 4 bbl quad. Plugs and wires are good, no skippy misfires that I can tell. 

Going to start with those two filters and then a carb clean. Anything else?
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Members Rides / Re: project onion rings
« Last post by chevn-up on August 16, 2026, 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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Engine/Drivetrain / Re: 78 Chevy C20 TH400 Kickdown
« 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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Electrical / Re: TCC lockup pin location
« 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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Members Rides / Re: project onion rings
« 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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Engine/Drivetrain / Re: 78 Chevy C20 TH400 Kickdown
« 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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Members Rides / Re: project onion rings
« Last post by chevn-up on August 13, 2026, 05:17:36 am »
....
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Members Rides / Re: project onion rings
« Last post by chevn-up on August 13, 2026, 05:16:32 am »
done in a day
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