The Motor
I had a 289 motor that was left over from my vintage road
racing days. It’s no slug,
but wasn’t competitive in this racing venue if you want to run near the
front. That takes 450+ HP, and this
motor is less, I’m guessing about 325 real HP, but I haven’t
dyno’ed it. This is probably
conservative. It was originally in
a race car that I bought freshly rebuilt by a professional race shop in Colorado. However, on my first day on the track,
after about half a dozen laps, it blew up.
It turns out that there was a mismatch in castings on the front of the
motor that allowed the oil to escape.
It makes me wonder about how many Ford motors that race shop had
built. Anyway, I ended up replacing
the block with a new 302 block from Summit racing, had the Carrillo rods
refurbished (and one replaced), and rebuilt it with TRW 11:1 pistons, MSD
distributor, the original ported 289 heads, Comp Cams solid-lifter roller cam
(2200-6500 RPM, rough idle), roller-tip rockers, and the original Cobra
high-rise intake manifold with Holley 750 CFM 4150 double-pumper carb. While maybe not highly competitive in
serious racing venues, it’s a plenty fast street motor.
Looked like this:

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