Which Energizer Cam would you Recommend.
I would like to have your advise on which Camshaft to select for my engine:
1) Crane Energizer 266H,
2) Crane Energizer 272H,
3) Or another CAM.
What I'm after is:
1) Good Get Up and Go at the corner of the street.
2) If possible, Performance/Lumpy sound, I wouldn't want the car to be a Dog at low RPM.
My Engine & Car Specifications are follows:
TH350 Transmision with a shift kit.
Stock Stall Converter.
3.73 Eaton Posi Rear-End
Rear Tires: BF Goodrich Radial T/A 235/60R15, 26.1 Diameter.
1972 350 Engine (approx. 8.5:1)
Cylinder Heads, Rebuilt GM 333882, 76CC with 1.94 & 1.5 Valves and stock springs.
600 CFM Holley Carburator
Edelbrock Performer Intake Manifold
Dynomax Ceramic Coated Long-Tube Header, 1 5/8 " Primary Tubes, 3" Collectors.
Dual 2" Mufflers.
Does some of have had experiance with the above Energizer Camshafts in similar setup, If so, I would appreciate to hear some of your feedback and recommedation.
I`d recommend the comp cams H268, it has a lopey idle, but doesn`t kill low end torque.
I would recommend the Comp Cams Xtreme Energy 262H its a step under the XE268H but is more suited to your application. The XE262H specs are Dur. 262/270 and lift .462"/.469". It has great lowend and makes power up to around 5,700 RPMs. Will work great with your stock converter. You probably have seen a lot of magazines using the Xtreme Engergy 268H cam, but it does require a slightly higher than stock converter and a exhaust system larger than 2". The two Crane Cams you listed won't give you that lope that you want, they are both very tame cams.
(Comp) told me that the High Energy 268H cam would have a little rougher idle than the EX262 because of the valve event's wich make's for more overlap. Also i use to have an old mag article were a test was done on a 350sbc with the 268H vs, the EX268 cam's and the streight pattern 268H cam out performed better than the big oll EX268 split pattern pump stick. And the smaller 268H had a flatter torque curve wich is better for a daily driver street performer.:thumbup:
I would not go with either of those two Crane Cams either. I think both of the Comp Cams recommended could work. It's a matter of preference. One is a single pattern '268H' and the other is a dual-pattern 'XE262H' cam. I went with a dual-pattern cam almost exactly like the XE262H in my 302 with a stock bottom end, Performer RPM intake, and a Holley 670cfm Street Avenger carb into a C4 trans (stock converter) and a 3.70 posi 9-inch rear with approx. 26" tires. I swapped out the stock converter for a TCI Breakaway converter when I decided to go and play at the track last summer. With your engine done you may want to consider upgrading your converter too. If you keep it reasonable it will help your launch but not create excessive slippage. Nothing funnier than too much converter in a street car.
DMorris I'm going to be ordering a TCI Breakaway converter in the very near future, seemed best suited for my application. Do you like yours?
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