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| dazza027 |
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Heres an odd one for you, is the camshaft from an early EL more aggressive than one from an EB 4.0 MPEFI, and if so, are all the journals etc the size? I have an EL parts car, and my road car is a EB Fairmont. I cannot be stuffed pulling the motors out to swap them over, but was wondering if there was a little frag of performance increase by swapping the cams, seeing as I have to replace the rocker cover gasket anyway...
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| low_ryda |
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as long as you change the gear to
 bear in mind the cam was designed for a motor with a bbm, so as long as you have the parts car....
_________________ Not to get technical, but according to chemistry alcohol is a solution. |
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| TROYMAN |
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early el has the same cam as eb,ed.. no real difference
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| Johnson stroker |
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throw the latter ef/el rocker cover on while you are at it.
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| dazza027 |
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So the manifold is where all the torque and hp came from in the EL?
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| TROYMAN |
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yep!!!!!!!! the manifold and ecu...
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| dazza027 |
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mite do the swapsy after all. Thanks guys
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| jerrytorry |
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what would the difference be between the 3.9L cam and the 4.0L Cam?
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| TROYMAN |
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the 3.9 cam has a slightly different valve timing..
ill have a look later , i have the cam valve timing specs for the 3.9 and 4.0 somewhere... |
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| fairmont54 |
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im pretty sure the 3.9 cam has the highest lift
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| cjh |
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The lift is no different, the timing is different, and the EA cam has 4 more degrees duration on the exhaust. I am currently running an EA cam, EA head, EA v/springs on my ED 4.0. It has 150rwkw.
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| fairmont54 |
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i thought that i noticed looking through the workshop manual that the centerpoint had slightly higher lift maybe worth checking it out will do it tomoz
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| dazza027 |
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Stupid question, but whats a BBM??
edit Answer... Broad Band Manifold.... something Tony Abbot might be needing Im tipping. Next stupid question, where is the BBM switch? |
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| fairmont54 |
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by thee bbm swith i presume u mean the vacume opperated module on the front of the manifold? because this is what operates the butterflys on the bbm it is vac operated via manifold vacume the diaphram pushes on the rod to open the butterflys
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| TROYMAN |
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there is a bbm vac release solinoid that sits behind the washer bottle on ef-au
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