Tuesday, September 13, 2022

Ford 300 Inline-Six Topped With Sliced-and-Diced Chevy LS Head

" Hutchison picked up this Ford 300 mill for the paltry sum of just 150 bucks. Another $90 got him six 317-casting aluminum LS heads. ... While Boss 302 heads were expensive, LS heads were cheap and readily available."
" After doing a bunch of research, Hutchison found out the bolt-holes on the 300 were only 0.050-inch or so from allowing an LS head to directly bolt on! A friend filled all the factory holes and then redrilled them to the correct pattern."
" Pushrod geometry will work out great after 12 notches are made in the lip of the Ford block, but he will need custom length 3/8-inch pushrods once everything is together."
" And here's where we are today. "I used a cheapo fabricated intake from eBay and my plan is to cut it up, add length, and use the runners from the other side to fill the gap," explained Hutchison. The engine will be EFI and controlled by a Holley Terminator X Max kit, and he will be using an adapter to mate the mill to a GM 4L80 transmission."

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