Ok, what im hoping to organise here is a locked thread, with just a list of common cams, say from JMM, Wade, Ford, Crow, Surecam, and any cams that ppl have had ground for their EA==>AU I6. It will help to prevent 100's of topics asking, should i go for a 1004, or a DEV3HL??
IS there any way to format a table in a thread to display
with the respective cam name on the left and its details on the right.??
Ive attached a starter file. If people care to post up cam spec's of other grinds i can add them in and make the spec sheet worth wile.
Im not to sure on the intelectual propery laws regarding the cam specs of the JMM cams, so im not sure if it would be leagal to grab a JMM cam measure it and post its specs.
Yeah tried to get the JMM cam specs from them today and basically got told to go away. We then asked them to compare it to the crow, wade and surecam versions and they just said ours makes more power and uses less fuel, call us back when you want a decent cam. Great service, at least we have ruled out buying a JMM cam, no matter how good it is!
My brother currently has a Wade stage 3, will find the specs for that one and their other stages asap (they were happy to provide them for us). But I can say it pulls like hell but has a fairly rough idle.
I think below from memory
Wade 1004 had 204 dur @ 50 thou and 480" lift
Crow 825 had 194 dur @ 75 thou and 480" lift
Kelford had 200 dur @ 50 thou and 484 lift
Will find out and update your file.
Cheers
legally speaking there's no reason why you couldn't have a JMM cam measured, you could even have another cam grinder grind it up for you, BUT it would become a problem if you tried to sell it.
so anyone who has a JMM cam and is prepared to have it measured, put your hand, I for one would be VERY interested to find out what the big secret is.
Dave.
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Just a matter of FACT your little collection of cam specs you have is completely wrong, have a look at the crow cam specs again and get them right next time cos all your doing is confusing yourself.
Ask the manufacturer if the specs are at the cam or at the valve !
The 4 litre cams on their own look shitty on paper but measure them at the valve and its a different story.
And NO, we dont give out the specs for our cams, so what? Cam specs mean JACK really cos we have got cams that are the same on paper and simply aren't comparable to each other in the engine.
Things like ramp velocity, lobe centre split, ramp style, landing ramps and next to that the overall size of the lobe can also alter your cam specs.
Overall comparing specs on paper is fine and good but dosent give you anywhere to even start from when trying to design your engine.
Let me put it this way, with the correct engine setup and a few head mods and a bit of tuning you can get there abouts of 140rwkw from a stock EA cam.
Our Quarter times, proven economy and power go to prove all these statements.
Just a matter of FACT your little collection of cam specs you have is completely wrong, have a look at the crow cam specs again and get them right next time cos all your doing is confusing yourself.
Ask the manufacturer if the specs are at the cam or at the valve !
The 4 litre cams on their own look shitty on paper but measure them at the valve and its a different story.
And NO, we dont give out the specs for our cams, so what? Cam specs mean JACK really cos we have got cams that are the same on paper and simply aren't comparable to each other in the engine.
Things like ramp velocity, lobe centre split, ramp style, landing ramps and next to that the overall size of the lobe can also alter your cam specs.
Overall comparing specs on paper is fine and good but dosent give you anywhere to even start from when trying to design your engine.
Let me put it this way, with the correct engine setup and a few head mods and a bit of tuning you can get there abouts of 140rwkw from a stock EA cam.
Our Quarter times, proven economy and power go to prove all these statements.
you probably have no time for this but what cam could you make up that does not hurt your bottom power end to much and give you a strong power output? to suit ef xr6.
One thing, you guys say the EA 3.9 cam is the best stock E-Series cam, yes? At least a few members have said you have told them that.
Yet as fair as I can tell from the Ford workshop manual, the ED XR6 cam has higher lift and longer duration on both exhaust and intake. Also from Ford workshop manuals, the stock EF cam and ED XR6 cam are only a bee's dick different.
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