390 2v to 4v
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390 2v to 4v - 2/5/2008 6:57:44 PM
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stewart390
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I just bought a 1978 f250 which i plan to take out the blown motor and replace with a 390 from a 1969 f250 that i rolloed last year . the 390 is a 2v just your basic economical motor , i want to change it to the 4v in doing this all i need to do is just change to 4 barrel heads and put on a new four barrel carb right ?
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RE: 390 2v to 4v - 2/5/2008 9:06:43 PM
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Hayapower
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Probably would want to go with better cam to match the carb.. I have a stock 390 cast iron 4v manifold collecting dust if you have any interest.....
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05 F250 C/C FX4 6.0
1969 Firebird Trans Am
2003 Hayabusa GSXR1300
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RE: 390 2v to 4v - 2/6/2008 11:41:03 AM
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stewart390
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I'm actually looking at buying an aftermarket one but thanks . I want to put an rv cam in this 390
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RE: 390 2v to 4v - 2/6/2008 1:01:53 PM
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Hayapower
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Yeah.... can't give it away!! Plus, I'd have to find a home for all them spiders ;) Weighs as much as a Volkswagon too..
I had a 69 F250 4x4, that I converted to 4BBL, ran an RV cam, and a set of headers, exhaust pushed through turbo muffs.. Sounded great, 'snappy' throttle.. Was a towing brutt for it's time..
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05 F250 C/C FX4 6.0
1969 Firebird Trans Am
2003 Hayabusa GSXR1300
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RE: 390 2v to 4v - 2/7/2008 9:01:17 AM
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bauer123
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You do not have to change the heads. There are many aftermarket intakes to fit 2v heads. There are not very many aftermarket intakes to fit 4v heads. You do know a fe motor is not a shoe in fit for 1978
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RE: 390 2v to 4v - 2/7/2008 2:10:47 PM
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stewart390
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money is not an issue. I am looking to completely rebuild the motor, and add aftermarket heads, headers, intake, carb and cam. I am looking for suggestions for the best way of doing this such as part brands and such. I want a reliable mtor with allot of torque and good mid range for mudding and pulling. I dont have a problem with running on premium gas such as a compression up.
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RE: 390 2v to 4v - 2/7/2008 4:37:55 PM
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bauer123
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If money is not an issue then why a fe motor? I happen to love the fe motor in the right car or truck. You have to change alot of parts to put a fe motor in a 1978 ie trans,transfer,drivelines, not to mention all the little stuff ie hoses,wiring. Just wanted to know why the fe alot of work. There are there whys to put a motor in this truck. what motor was in it? 351m, 400m, ???
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