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Hi i was wondering if anyone could tell me what the power of the 390 was from the factory. Also i know im not in the right forum for this but my truck has a sticker on it that says it was transported from canada i was wondering if anyone knew anything of this thanks
T.J. Flynn 1979 F-150 390 4spd 4x4 lock stock and barrel for now
Stock ratings for the 390 are from about 265 to 401. Most are in the 300HP range. The later years and trucks got lower compression and 2v setups, the 401 was a 3X2 carb setup. Making 325~400 is not hard with a few mods, the Edelbrock setup makes about 418HP with intake, carb, headers, heads.
71 was the last decent year for the 390 in trucks with 255 HP. 72 was 201 HP and 73 was 195 HP. the 76 360 which is the same block just different stroke was rated at 143nhp. Pretty **** poor. In comparision the 68 390-2V was at 280 HP. The 401 HP 390 was in the early 60's. 61 to 63. If you can't find a pre 70 engine at least try and find the heads from one. Hope this helps! Fordman
Hey Fordman, what is your reference for the '68 390 HP numbers. I'm more curious than anything because I've got a '68 Ford published specification book and it lists the 390 at 255 HP and the 360 at 215 HP. They didn't offer a 4V in the trucks so I was thinking your HP number might be for a 4V car engine?
Chiltons full size Ford cars. The below information was provided solely by Ford Motor Company:
For 68.............
390-2V 270@4400 Torque 390@2600 ft.lbs.
390-2V 280@4400 403@2600
390-4V 315@4400 427@2800
Be careful with those Chilton's manuals because I've seen some rather blatant errors in them. All they really do is just copy certain pages from the "real" Ford vehicle manuals and sometimes don't paint an accurate picture. I'm not exactly sure how they get their info screwed up but they do.
Where can I can "official" hp and torque rating figures
for FE engines. I need an FE with as low horsepower rating as possible, but the rating would have to be verifiable.
Our government just allows 6.8 hp / 100 lbs car weight
so I have to have a replacement engine for my 427 HR
when going to the mandatory yearly safetycontrol.
Is the 1976 360 the lowest in hp?
Thanks
[updated:LAST EDITED ON 19-Nov-02 AT 06:27 PM (EST)]Why are the ratings on the door tags so much lower? I know the 68/68 360 and 390 read at 172 and 185 HP. I guess that is net engine HP (including all accessories/pumps)? I don't belive they ever measured rear wheel HP.
>Hey Fordman, what is your reference for the '68 390 HP
>numbers. I'm more curious than anything because I've got a
>'68 Ford published specification book and it lists the 390
>at 255 HP and the 360 at 215 HP. They didn't offer a 4V in
>the trucks so I was thinking your HP number might be for a
>4V car engine?
>
>Thanks.
I have a 1976 F150 with a 390 4V, I'm sure it came from the factory that way.
Tom in Ky.
Don't worry about the factory power rating. It ain't important. The reason the later 72?-79 FEs are less powerful is because the compression hieght was reduced on the pistons. When you're rebuilding, using the right pistons will bring power back up. In the US, alot of trucks were made in Canada. The 4x4s all got 352s or 360s. 390s were offered 1/2 and 3/4 tonners till 76, in 1 ton or heavier till at least 70. If the truck was intended to be sold in Canada, I don't know what the engine availability was. Might very well be differant from US. :-) DF
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