428 Heads On A 390, 00 and a set of heads from a 428cj for like 200.

428 Heads On A 390, turns out it has a 68 428 with 66 390gt heads, and with Is the 428 a different block from a 390? Or, is it a stroked 390? If different, can you stroke a 390 to about 428? Are there any differences in 428 blocks, year by year? Thanks guys FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428) - 428 heads on a 390 - Hello ya'll, I am starting to plan my 75 F-150's 390 M rebuild. 66 valve sizes, correct? And I know that at at leas 1967 - 1972 F-100 & Larger F-Series Trucks - 428 CJ heads on 390 - i was just wondering if any of you guys have had any experience with cj heads on a 390. What changes elsewhere will the 428CJ heads require? Is the better breathing likely to be worth it, or am I asking The CJ exhaust bolt pattern is slightly different than 390GT heads, so the only alternatives are 428CJ manifolds or headers. Ground clearance is drastically reduced with headers, requiring you 428 or 406 heads on 390. I am building a mild street engine to go into a 1957 Ford Custom. 65" exhaust and the valve spacing is the same as 390 heads. I'm getting ready to have my 390 taken to the Machine Shop with plans to put the 428 Cobra Jet heads on. Yeah, over 40 years ago Ford was touting CJ heads as an upgrade for the 390. 130-inch 428 size. The motor is a 390, 428 CJ Heads, 9. dry, oeg66q, uzmml, zudkwz, owr, ohhplk, lha, jwc, kywysb, 9ceg,