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Old 01-07-2007, 02:21 PM
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xntrik xntrik is offline
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Originally Posted by 65Guera
Hi All
I received $400.00 in gift certificates from our local speed shop.
And was thinking on a new cam the XR280R or the XR274R....
I dont know if this would be a good upgrade or not......Any advice would
be greatly appreciated...

I have a 357 SBC .30 over
Forged pistons
6.0 rods
10:01 comp.
Lunati roller cam and lifters 248 duration @ .050...555 lift
Roller rockers 1.6
Dart 215 pro1 aluminum heads
Demon 750
Airgap intake
Transmission 700R4
MSD ready to run dist and 6AL ignition box
373 rear gears
2800 stall

I think it would be a waste of money to change. You already have an outrageously large set of heads and cam for your cubes/compression and more cam might really hurt the mid range due to duration and dynamic compression loss.
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