Well, seems some stock rockers are more equal than others. He had a jig made to test rocker arms because some of the class rules required stock rocker arms. I used to work part time for a local respected professional builder. Replace with 3:73 and hold on! #2 I would lose those horrible rocker arms. They are similar to the cam I recommended so I agree that the cam you have is appropriate EDIT: Didn't see cam specs when originally posted. Valve Lift with Factory Rocker Arm Ratio:0.444 int./0.466 exh.Ĭamshaft Manufacturers Description:Fair idle, low midrange torque/horsepower, works well in 327 and higher c.i.d. Intake Valve Lift with Factory Rocker Arm Ratio:0.444 in.Įxhaust Valve Lift with Factory Rocker Arm Ratio:0.466 in. Have a similar combo with a Summit 1103 cam, a little on the mild side for my engine but would work nicely in a 350ĭuration at 050 inch Lift:214 int./224 exh. Holley 670CFM Street Avenger Carb w/ vacuum secondaries 050ġ14 lobe sep 1.5:1 ratio stamped self aligning rocker arms 460 exhaustĢ22 intake / 222 exhaust duration at. Hedmann 1 5/8 primary longtube headers w/3' collectors 480 lift cam without doing any ghetto grinds or mods.īone Stock 350CUI Motor bottom end w/3.48 stroke and 4' boresĮdelbrock aluminium Performer EPS Vortec Intake thinking of doing a simple cam swap and just wondering if there's one better than what I have in it now as I'm limited to. Here's my engine specs I am running in one of my cars. is there a better cam I could run w/my current engine set up that has bone stock 062 vortec heads w/ no mods? I started reading the 60 page vortec stickie, but goodness, I had to quit as there was too much to read there without taking 3 days. Camshaft specifications: - Intake duration: 212 Degrees - Exhaust duration: 222 Degrees - Intake lift. This cam produced 363HP and 402 Ft Lbs of Torque when paired with Performer EPS intake manifold #2716, Performer Carb #1407, Performer E-Tec cylinder heads #60975 and Edelbrock roller tappet lifter set #97423. All camshafts include flat tappet lifters (except for cams designed for use with stock roller lifters), assembly lube and instructions. In the manifold section you'll find torque graphs showing the power gains from Performer manifolds and Performer-Plus cams. You can expect a major improvement in throttle response and torque.

They are smooth idling cams for daily drivers, trucks, vans, RVs and 4x4s.

Rollin' Thunder camshafts should be matched with Performer manifolds for vehicles operating from off-idle to 5500 rpm. Edelbrock Rollin' Thunder Camshaft #2208 is designed for 265-350 V8 Chevy engines from 1957-86 and produces optimum torque from the low-end to the mid-range.

Vortec 350 cam