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Old Apr 2, 2017 | 05:34 AM
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I have a stock 04 4.8l with a tc78 with 706 heads and ls9 head gaskets. Other than that it is stock. The heads I put the beehive springs on. I am running e85 and have the 02 z06 cam installed in it currently. I have a comp xr 275 hr cam sitting on the shelf. Would it be a better fit for the 4.8 than the z06? Trans is a th400 with 3600 stall.

02 z06 cam specs are 201/218 with 551/541 on a 117.5

xr 275 hr cam specs are 222/224 566/568 on a 112

car is mostly weekend cruiser and drag not a daily driver. So out of the 2 which would better suit. Thanks
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Old Apr 2, 2017 | 10:35 AM
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I think it would be fine. Its not over kill for a 4.8
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Old Apr 2, 2017 | 02:09 PM
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What keeping the current z06 cam or swapping to the 275?
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Old Apr 2, 2017 | 03:33 PM
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Swapping to the bigger cam
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