953 out of th 1973 Chevy C10307 w/ 15k original milesComp Cams 262XE305HO heads (-416 casting)Edelbrock Performer. Take a look at the following smaller Melling cams ALL w/ 110* LSAĪnd any of the above three should work just fine with the stock springs OE 80 lbs on seat it'd be nice if your guy installed new ones as they're rather cheap. comp cams sbc Cam Type: Solid Flat Tappet. That's the bottom rung.įwiw, CS274 is a Sealed Power number and is direct cross to above same cam.
If you want even a little more CCS-2 ain't it. there's no difference or none significant between CCS-2 and the OE stock cam in a OE dish-piston, low-compression smog-motor RPO LM1 aka L48 aka ZQ8 (all Base 4 bbl 350). My Melling cat says CCS-2 is 258*/269* ADV. Intake valve closing on that is 63 degrees. Lets look at the 268H high energy intake valve closing 60 degrees. I yanked the Holley and installed an Edelbrock 600 carb. After reinstalling it, the carb did the same thing. I took it apart and everything checked out good. The 280H wanted 6500 and -7000 rpm shifts.īut max HP spread was only 150 RPM between the 2 camshafts. I noticed yesterday the Holley 600 was dripping gas at idle from the discharge nozzles. Small 601's with 1.84-1.50 valves But best shift RPM at the track for the 268H was 5500 RPM for the 1-2 shift and hold 2nd gear to 6000 or 6500 it did not matter it was the 1-2 shift that made 2 tenths difference. This complete cam kits include an Edelbrock Rollin Thunder hydraulic roller camshaft. Edelbrock part 22085 Rollin Thunder camshaft kit is designed for 1957-86 small-block Chevy V-8 applications. Buy in monthly payments with Affirm on orders over 50. I stuck in a 280H on a 110 and made max wheel HP at 5,850 RPM Same heads and everything. Skip to the beginning of the images gallery. They are smooth idling cams for daily drivers, trucks, vans, RVs and. Rollin Thunder camshafts should be matched with Performer manifolds for vehicles operating from off-idle to 5500 rpm. The only thing that bugs me a bit after some people told me its better to go for the 600 cfm carb is this: (Extracted from the Edelbrock site) 'Designed for small-block and small displacement big-block engines, these carbs.
EDELBROCK THUMPER CAM 350 SMALL BLOCK SERIES
My custom ground 268H on a 106LSA made max power at 5700 RPM and on a 112 made the same at the same 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. The two carburetors I am looking at is either the Edelbrock Performer 600cfm or the Edelbrock Thunder Series AVS 650 cfm.
Now just because an engine revs to that RPM does not mean it is making max power at that rpm.
With ported heads holding 1.84 or 1.94" intake valves it would twist to 70 rpm. Ran it in a 355 one time with 305 2 barrel heads 1.72-1.50 valves Ported of course. Then the 280H rated at 2000-6000 RPM and. Head flow will make a huge difference in RPM Stuck Ported 601 onto it and gained 1000 RPM on the shifts. That was a 350" with RPM intake and 750 carb and headers 487X heads. With its many great features that will increase the performance of your 350 Chevy significantly, this choice will give you the most horsepower. COMP Cams CL12-600-4 camshaft option is our top pick, and for good cause. COMP Cams CL12-600-4 Camshaft For 350 Chevy Best Top Pick Review. Stock non ported heads with stock valves run out of steam with that 268H at 5500 rpm so quite accurate. 3 Best Camshafts For 350 Chevy (as of October, 2021): 1. Take the Comp high energy 268H for example it is.
Deck thickness: 9/16", rocker stud diameter: 3/8", pushrod diameter: 7/16" (width of slot in guide plate). These heads require the use of a 14mm x 3/4" reach, flat gasket spark plug with a heat range appropriate to your application. Use Head Bolt Kits for easy installation. INSTALLATION NOTE: Check cam manufacturer's specs for compatibility with valve springs for spring rates. The only expense increase is in the material choice, from cast to 4340 and on up the food chain. This is especially because the cranks are virtually no more expensive than a standard stroke 350 crank. These cylinder heads feature angled spark plug holes and accept standard 23° valvetrain hardware. The 383 small-block has become incredibly popular in the small-block Chevy market. 64cc chambers yield about 12.5:1 compression with a 12cc domed piston in a 350 V8. 530-580 hp potential, out-of-the-box, for a cost effective, race-winning set-up. This cylinder head offers max power for competition and high-performance street applications.Īffordable maximum power cylinder head for competition and ultra high-performance street. 23 Degree is a complete cylinder head for Small Block Chevy 262-400 V8 engines using a mechanical roller cam. Victor Jr Small-Block Chevy 64cc Hydraulic Roller CamshaftĮdelbrock part # 77599 Victor Jr.
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