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Hello, First, I would stay away from a used cam and lifters from someone else. I have the Comps 268H cam that is .456/.456 lift in my 71 Delta convertible. I love that cam and yes it was USED! I bought the cam/lifters new 14 years ago. I put together a lo-comp 455/perfomer intake engine in a 83 G-body, 2:78 gears. This combo pulled hard, car was fast. No problems. Then I put a 4:10 posi in it, now a problem. I had put a hi-vol oil pump but still stock pan. This was my first Olds, I use to be into Chevys. Car was really quick now! Two days later he spun #5 rod bearing. I now learned about oiling problems. When removing a cam, I use a 18 egg container(buy your eggs in the larger box) I mark for each bank and the cylinder number, DON'T get them mixed up!! I then put this cam in a 350 Olds Bracket car, ran 13:50's. After a couple seasons I pulled it again keeping the lifters in order in a egg box. Two years ago I redid the 455 engine in my 71 and I re-used this cam for it's third life. It has a 2:73 peg/leg (one wheel) the cam idles good, just a little lope. It pulls hard, I shift it at 4800 rpm's. It has a Performer/ 670 cfm Holley, headers with torque tube/duals. I use stock type Crane bridges and dual springs, 120 lbs closed seat pressure but around 100 is fine. I have a stock oil pump on it. (hint, hint!) Watch that trans. I have the Switch pitch 400's in the 98's and I love them. Turquiose 98's is on a manuel switch. At the dragstrip I leave the line in hi-stall, at the 60' light I click it to low stall. Good luck, Ken
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