LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

280XFI Cam

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Old Feb 18, 2012 | 08:33 PM
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Vincentiroc's Avatar
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280XFI Cam

Anyone here using that cam? If so then what HP and engine combo are you running?
Old Feb 19, 2012 | 05:36 PM
  #2  
dennis5374's Avatar
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From: norfolk ny
Re: 280XFI Cam

I run it in my 355. 11-11.5 to 1 compression. Stock heads with slightly bigger Manley race-Flo valves,lt's full exhaust,52mm throttle body, nitro Dave plate kit, I have 4.10 gears and 3000 stall with lock up. Car made 390rwhp and 503 ft lbs of torque on a mustang dyno. Ran a 10.8 with that combo with a 1.5 60'. Its a top end heavy can but with the right gear ratios and/or stall converter it is a very street able. I forgot too mention that I made that power with a 150 shot which seems pretty low but it was also 2000' in elevation higher than where it was tuned for and it always ran stupid rich up in the mountains. I'm swapping it out this month or next for a custom grind to go with my le3 heads
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