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So I finally figured out what was happening here. The coil pack was going bad, possibly due to increased resistance inside it. It caused the lack of power. As the demand of the coil pack increases, the available current for the AC system decreased. This caused my AC system to slowly drop fan...

Every car is different in it's nuances. This is the best advice.

Agree. Also, different types of racing require different techniques. Drag racing requires what you're talking about, but autocross and GT style track racing should avoid slicks and use a different setup on the suspension. I know everyone seems to love drag racing their Stang, but GT and...

Works great for my application. Slightly smaller than the recommended 650 CFM the engine builder I bought the kit from recommends, but no issues with the carb itself. My personal adjustments are off for the choke and idle. I'm using an anti-dieseling solenoid on it that is set too high for...

Some Pictures to help you see what I'm talking about: 625 Street Demon by BeastsNMonsters posted Aug 7, 2017 at 9:43 AM Demon Carb Base by BeastsNMonsters posted Aug 7, 2017 at 9:43 AM Built 408 on 351M block by BeastsNMonsters posted Aug 7, 2017 at 9:43 AM Beast after Paint by BeastsNMonsters...

My F250's engine fully assembled in my garage

Pictures of my 1981 F250

I happen to like my Street Demon 625. It's a simplified version of some old Carter design, but it offers small primaries for economy and a large, goggle shaped secondary butterfly to allow good airflow during hard acceleration. I run it on my 81 408(351M stroked) engine with no problems save...

Todd, I feel a good choice would be to do the body how you want, and resto mod the rest. Make it a nice driver. I disagree with those who restore cars just for the monetary value to be gained. It's against the principle function of a car. Build it so you can enjoy it.

This is the kit I was originally looking at. https://lmr.com/item/M9000PMCM/ford-performance-coyote-power-module-m-9000-pmcm It does take a lot of guess work out of the swap. You may be right on the returnless style of EFI. I just checked the Ford parts catalog and found no pressure...

All MPEFI systems are return systems from my understanding. Even some of the "reservoir" style throttle body setups available have a return function. The reservoir is the return point in those systems. In factory systems it returns to the tanks. Thanks for the link. Battery relocation is...

Or has anyone considered a 2.3LT EcoBoost swap from the 2015+ models? 310/320 with 30+ mpg? Available manual transmission.

Long term yes, but in high demand applications such as towing or racing, the cooling effect of the oil is needed. That's why you find oil coolers on race cars and tow trucks. The cooling system can only handle so much in either extended idle or WOT. In circuit races, the ambient air...

And you can put in a Coyote 5.0 too.

I'm considering a 5.0 Coyote swap in the future. I have found that LMR offers a "complete" swap package that includes a 2015 5.0, matching T6060 manual transmission, an ECU and engine harness. They also sell a tubular K-member designed to fit in the 04 chassis. This will upgrade the front...

What'll really confuse you is the engine family names. The engineering name of Cleveland engines (351C/M & 400) is 335. The 429/460 is 385.

I've seen a lot of reports of this being caused by driveline issues, not transmission issues. Check the pinion angle and all rubber in the rear axle and driveshaft areas up to the transmission. Something may be out of alignment or too worn.