![]() ![]() Top 20 Fastest Production Cars 0-100kph List.Top 20 Fastest Production Cars 0-60mph List.Top 10 Fastest Estate / Station Wagon Cars.Top 10 Fastest Production Petrol Supercharged Cars List.Top 10 Fastest Production Petrol Quad Turbo Cars List.Top 10 Fastest Production Petrol Bi-Turbo Cars List. ![]() Top 10 Fastest Production Petrol Twin Turbo Cars List.Top 10 Fastest Production Petrol Turbo Cars List.Top 10 Fastest Naturally Aspirated Cars List.Top 10 Fastest Production Cars Quarter Mile List.Top 10 Fastest Production Cars Top Speed List.Top 10 Fastest Production Cars 0-100kph List.Top 10 Fastest Production Cars 0-60mph List. ![]() The Police Interceptor was new for 1964 I think (maybe 63, my brain is fuzzy and I am too tired to check!). In 1961 the name Thunderbird Special was applied to the new 390. The Thunderbird special was a 292 or 312 so they could not call them that so when the new 332 and 352 FE engines came out they were labeled the "Interceptor" and this held true for 1958, 1959, and 1960. that did have a special head or valve size but believe it or not, even a 66-69 GT390 did not have special heads or valve sizes! Finally, the issue of the Interceptor name, " all the old time Ford guys from "the day" called the motors in the 58-60 TBirds (and the police cars) "Interceptor Motors"." The old guys called them that because that is what Ford called them. Now having said that, in the 60's there were special applications like the HiPo 352 and 390's 428CJ etc. It is an old wives tale that there were 2 barrel and 4 barrel heads or that there were 352 heads and 390 heads. Also note that non special heads used on these engines were the same for any of those engines for the year the engine was made, that is to say a 1962 352 and 390 used the exact same head or a 1958 332 and 352 used the same head or a 1967 352 and 428 used the same head. Ford did nothing different on 2V and 4V heads except on some applications they had different valve springs. The intakes were 2.04 inches and the exhaust were 1.56 inches (1.57 inches starting in 1961) on all 352, 360, 390, 410 and 428 engines except special performance versions from 58-76. Keep comp ratios areound 9-1.I am sorry but the valves used in 352's and 390's were the same size whether it was a 2V or a 4V. This horse **** we're paying $4 a gallon was meant for a Briggs & Stratton. throw that combo on the bigger badder 390 and LOOK OUT !!īut that was back in the days of 100 octane gas. Long and short of it, 300 (under rated HP) compared to 250? or something from a 2 bbl motor. Even though all the old time Ford guys from "the day" called the motors in the 58-60 TBirds (and the police cars) "Interceptor Motors". We won't call them Interceptor heads because I don't want to open that can of worms again. The 4bbl heads used on the 352 Thunderbirds did have bigger valves than the 2 bbl heads. ![]() note to the best of my knowledge and information I could find indicates less than 500 were built with factory air."Īnyone know what " competition three angle valve job " is? Number of angels of the valve? What´s good about that? the ac has new compressor, dryer and condenser, rear end was not rebuilt but was drained, flushed and new fluids added the current carb is a 750 cfm as the original 500 cfm wasn't adequate for the additional power, has not been dynoed but feel it should be producing upwards of 450 hp. "he car was originally a 352 but had a cracked block as well as other ailments, the 390 came out of a mid sixties pickup and the heads are 352 as they had larger valves, there is a mild cam with forged pistons, it has been ported and relieved, with a competition three angle valve job and hardened seats, the tran, both front and rear suspension rebuilt. īut I got this letter from the previous owner, who explained it like this: Regarding 352 heads in a 390, well, the truth is that I don´t know why that works. ![]()
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