thoughts on my cam.
Depends on what you want.
an LS6 or LS9 could make more peak power.
That cam will make better part throttle and off boost power with the lower duration and tigher lsa.
The two factors close the intake valve sooner and probably open the valve faster to make more cylinder pressure and increase low end power.
The little cams need more exhaust duration within reason to get any rpm out of it. Otherwise the exhaust backs up and makes power go flat.
The comp thumper line is an example of this method to get rpm w/o an early open intake (long duration) and increased reversion killing power.
The LS6 and LS9 are similar in this method also.
I think crane has that cam off the shelf or close.
an LS6 or LS9 could make more peak power.
That cam will make better part throttle and off boost power with the lower duration and tigher lsa.
The two factors close the intake valve sooner and probably open the valve faster to make more cylinder pressure and increase low end power.
The little cams need more exhaust duration within reason to get any rpm out of it. Otherwise the exhaust backs up and makes power go flat.
The comp thumper line is an example of this method to get rpm w/o an early open intake (long duration) and increased reversion killing power.
The LS6 and LS9 are similar in this method also.
I think crane has that cam off the shelf or close.
Last edited by TurboS10; Aug 8, 2012 at 01:42 PM.
ok well my ? is and maybe problem place i delt with reccomended that and .650 valve springs? but wouldnt them big spring not let it open then or am i thinking wrong? the setup im doing is going in a project im working on and its somthing for street really maybe a lil offroad no drag.
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Why are you putting a 66mm turbo on a 6.0?
You are going to choke it to death. It might make 500hp with that turbo and the back pressure will be rediculous.
You also can't just look at a cams specs and say it's not a turbo cam, valve events and combination determine that.
You are going to choke it to death. It might make 500hp with that turbo and the back pressure will be rediculous.
You also can't just look at a cams specs and say it's not a turbo cam, valve events and combination determine that.
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Verdad Gallardo turbos way to small obv?wonder why the guy from bullseye would have told me that turbo then for my setup?for my power range he said the turbo was good for 550-800 i think and setup?idk.. what would be good tubo for the cam and setup i have then? any help would be appreciated thanks
Last edited by burbalanche; Aug 8, 2012 at 07:30 PM. Reason: info
9 Second Truck Club
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5.3L is more efficient with that turbo than 6.0L's. If you want 5~600 hp that cam and turbo might work long as it's got a decent sized hot side. Times in sig with a 6.0L and 212@.050 cam, but running a larger GT76/94/.96. Spinning the turbo so hard it kills the thrust about every 10 passes at that power. Shift at 5900rpm and let it spin 6800 thru the traps.
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Before anyone jumps to conclusions, if its a billet 66 from Bullseye, it could have a 83, 87 or even 96mm turbine; plenty of flow for a 6L. And the compressor would easily achieve the OP's goals as well. As for the cam, perhaps a little mild, but would be good for a daily driver in a truck/SUV or heavy automobile.
yes its billet 66 and im not sure on the turbine right now its t4..i know the cam isnt ideal but i was going for more daily driven and a lil offroad its in a truck to and am running a t56 fuel system is pretty stout as well so not to concerned there thanks
Last edited by burbalanche; Aug 9, 2012 at 05:14 PM. Reason: info
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For a daily driver / off-road truck with a manual trans, a boatload of torque down low is exactly what you'd want. The "right" combo for a drag race application would be aimed significantly higher in the rpm range than what would work best for you. That cam will build tons of cylinder pressure (and thus torque) down low. With e-85 fuel to stifle the potential from knock that such cylinder pressures might cause, you've got an excellent combo IMO.
