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Would my combo make over 400 hp and 400 ft/lb in a 350?
Comp Cam Magnum CCA-12-224-4
Edelbrock Performer RPM EDL-7101
Camel Hump Heads
10.1 CR
Comp Cam Aluminum Rocker Arms CCA-19002-16
Summit Igniton System SUM-CSUM2750
Hughes Torque Converter 3000 stall HUP-GM30
3.73 gears
Running on Pump gas. It is a weekend car.
Also How will it run on a 1/8th mile track in about a 4000lb car? A 1977 Camaro
That cam would work far better for you on a 107LSA, given what it is. You also don't have 10:1 compression with a 64 cc chamber head if 1: you don't have a flat top piston and 2: you have a piston that is .025 or more in the hole at TDC because of the factory deck clearance of the block.
That said, a felpro 1094 head gasket would do you well in that regard.
With the wide LSA of that cam, you need compression becausa it blows compression off.
It is not going to come on like gang busters. It will run fine for you if you keep it wound up, otherwise, it's not going to accelerate.
Change the converter so that you have at least 4000 flash stall. Try a 245 MM converter with a #5 pump and a 102 stator. You will have the flash stall without much of the bad characteristics of 10 inch high stall converters.
Put on a set of Vortec 062 casting heads. Leave the small valves in it. The 2.02 and 1.600 valves won't do anything for you accept hurt velocity around the valve and that will hurt bottom end. What you'd gain at 6500 with the bigger valve won't suffice you for what it'll cost you on the bottom end.
You also need to put a 1.5 ratio rocker on the exhaust. The 1.6 is costing you very valulable bottom end and 2 inches of vacuume that you will NEVER see returned unless you are trying to stretch that cam to 7500 RPM. Then you would have a gain. Leave the big rocker on the intake only.
If you want to test that theory, you can either put a 1.5 on the exhaust or open up the lash on the exhaust at least an extra .005 from where it is set currently. Now go and make a pass down the track and see. Either way, I bet you money the car is faster at the track regardless of your shift RPM! If so, then a 1.5 on the exhaust will be a gain for you. Then you can try that test on the intake side after you first do so on the exhaust.
factory "Camel Hump" heads are over cammed at net lifts greater than .525. Meaning they flow less at .550 lift than they do at .525 as the flow bench will show you that flow actually starts backing up past that point. That said, I'd bet you that you would see a gain accross the board with 1.5 ratio rockers on both sides.
I will also bet you money that with a 1.6 rocker arm on it, the pushrod/rocker arm/valve tip geometry is all screw'd up. You can put some ink on the valve tip and run the rocker through a full lift cycle and see where the contact point is on the valve tip, to find out. A push rod length change of .050-.100 will correct that.
Over caming means simply that valve lift has exceeded the port capability to flow.
I would also put a degree wheel on the engine and check where the intake centerline and the exhaust centerline of the cam is installed at. If you truly have a 110 LSA and the intake center line is installed at 106ATDC, then you will find the exhaust is at 114ABDC. If that checks out, I would put the intake center line at 105 ATDC because if you find it is sitting anywhere such as 107-110 or more, then you are giving up an insane amount of bottom end and mid range and installing it at 105 will not only pick that up nicely, but it will not cost you any top end below about 6800-7200.
With your gearing, convertor, compression and the short track you are on, you will be far faster with more bottom end than you would with any top end you currently have.
When you are ready for a real cam, call me.
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