Join Date: Jan 2019
Location: Sedgwick, Kansas
Your Mustang can be made to run AND handle great, without getting close to the price of a new jeep or a 363 stroker. Forget Coyote swap. Why carve out the front end and put that monster up there, when a Windsor can deliver enough power to make this car scary fast anyway? Since you want to just have fun, and you want to drive on the highways too, if it was my car, I'd put in a roller cam motor out of a '97-2001 Explorer/Mountaineer, with a better cam and valvesprings. You wouldn't have to worry about additives for a flat tappet cam that way.
Then you can spend some money to upgrade your brakes and chassis to make sure you don't do a Pee-Wee Herman and plow into something. It's not reasonable to expect a car that handles only modestly well with 150 horsepower will do okay with 300+ You'd also want to put in a roll cage if you're getting up around 400 horsepower. Don't forget: it's not all about horsepower numbers - it's about power-to-weight, and your light little early Mustang can be wicked fast without putting 700 horsepower between the fenders. You might even be able to drive it in the rain.
If your old engine is in great shape, you might consider upgrading that instead, putting on some AFR 165 heads, better carb, intake, headers, and cam. With decent choices, you'd be hard pressed to deliver less than 300 horsepower to your rear tires. If you stick with a milder cam (great for street, and terrific average power over the whole powerband) you could even get as much as 25 mpg, making it fun on long road trips with your 22 gallon tank. Or if you don't give a rip, use a hotter cam that makes more power on the top end, giving up mileage and making it less fun to drive in stop-and-go traffic.
Lastly, don't forget to upgrade your radiator, and use either good electric fans or a shroud and thermal clutch fan to keep your upgraded powerplant cool.
"No matter what you are, be the best one you can." -Abraham Lincoln
Last edited by Grimbrand; 08-21-2019 at 04:13 PM.