- 6,431
- 8,343
255 cubic inch and 9500 rpm in 1968
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As I recall, those heads were reversible, I think I remember AJ Foyts sprint car had the headers on the bottomNice overhead shot of the "bundle of snakes" exhaust headers. I believe the primary reason for "reverse flow" (intake ports on the outside & exhaust ports on the inside of the heads) was to easily create a true "180 degree" exhaust header that had primary lengths appropriate for the engine's rpm range.
Plus they sound greatBundle of Snakes - 180 Degree Headers
Many of you have seen the so-called “bundle-of-snakes” headers on the infamous Ford GT40s of the late sixties, but you might wonder. Are they still relevant today? Those beautiful works of art built by English craftsman on the Lola-designed chassis where two tubes from each bank of the V-8 are...burnsstainless.com
I watched that happen, I haven't missed an Indy 500 since Bobby Unser won it in 68.One more piece on A.J. Foyt, only driver to win Indy in a car and engine he built. I'm sure he had a bit of help. One of my fondest memories of A.J.'s driving days was the year at Indy when there was a new transmission used by some teams, including A.J. The transmission case was cleaned up compared to other in the hope it would have less aero drag. Well the transmissions began overheating during the race and shifting became difficult or impossible. A.J.'s was stuck when he came into the pits. IIRC A.J. got out of the car and grabbed a wrench or hammer and started beating on the transmission. Unfortunately A.J. was done. Always enjoyed watching Super Tex drive what ever, sprints, Indy, stock cars, sports cars.