Because they're ground differently, a solid-lifter cam must use solid lifters and a hydraulic cam must use hydraulic lifters. Notes: Compare the grinds for this 302 with Vehicle 2, the 350 Chevy with a 2400-stall converter. Also, you can't mix and match cams and lifters. Comp rates its cam at 268 and 218, respectively, while Lunati rates its cam at 290 and 224. Either type of roller cam and lifter is considerably more expensive than a flat tappet. Hydraulic rollers are becoming much more common but haven't found much of a following in high-performance circles yet, except in late-model computer-controlled cars. bone stock exept intake and carb (edel performer/ 600cfm). I had a 262xe in my 73 malibu (3800 lbs). If you have 3.08 or 2.73 then 262 is the biggest you want. Most roller lifters aren't of the hydraulic type, so they require adjustment just like a solid lifter. (Edited) the 268 cam will want some mid range gears atleast.A roller cam is normally associated with hard-core race engines, but several companies make street rollers that are docile enough for a daily driver, yet still make serious power. Hydraulic and solid, nonroller cams are also called "flat-tappet" cams. A solid-lifter cam is beneficial in high-rpm applications (6500 rpm and higher), but it requires a lash adjustment every few months. TYPE OF LIFTER: A hydraulic-lifter cam is the best choice if the car is to be a daily driver, because it doesn't need periodic lash adjustments. Qualcast High Performance Valve Springs and Retainersįederal Mogul. If you need a refresher, here is the Jasper 283. Best cam for modified 350 TPI with improved chip, injectors, plenum, runners and exhaust. When I pulled the cam it has Comp Cams 268H stamped on the front and 900567 on the rear of the cam. Buy Comp Cams K12-268-4 XE Computer Controlled 224/230 Hydraulic Flat Cam K-Kit Chevrolet Small Block: Camshafts - FREE DELIVERY possible on eligible purchases.
More timing and carb adjustment is needed. 1 Purchased a complete 350 (.030 over) and previous owner did not know much about it and I wanted to know what I have for pistons and cam so removed the heads and cam. Here’s the video of the first break-in run.Īfter I adjusted the #7 exhaust valve, no more clickety-clack for video #2.
More details at the very bottom of this post. Sounds great.įreshly rebuilt 1965 283ci with 0.060 hypereutectic pistons, powerpack heads, Comp Cams 268H flat tappet cam, cast iron intake and Rochester 2Jet carb. Pistons are 0.040 with powerpack heads, cast iron intake and Rochester 2Jet carb. You may recall I recently introduced you to my 1966 Jasper rebuilt 283ci with the GK 930 cam. It’s been a few months since my last post.
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