4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

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Old 07-03-2006, 01:06 AM
  #11  
Aixtreme89
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Default RE: cams

I installed my "stage 1" cams from comp cams... XE-262 if I remember.. Yes they require new vslve springs. Any cam that has .550" lift needs new valve springs. I didnt degree the cams or anything I just marked the slot on the chain where the cams where origanally at and in relation to the crank and I swaped them. I used a special spring compressor for replacing the valve springs. So everything cost me about $1000 for the cam swap. Frankly, I wish I went with stage 2 cams, but they wre out of stock when I was looking for them, and I was leaving so I was under time constraint. My stage 1's cut off at 5500rpm. I rev up to 6300rpm. Stage 2 would have sounded better and would have pulled until redline..
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Old 07-03-2006, 01:10 AM
  #12  
2000GT4.6
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Default RE: cams


ORIGINAL: Aixtreme89

I installed my "stage 1" cams from comp cams... XE-262 if I remember.. Yes they require new vslve springs. Any cam that has .550" lift needs new valve springs. I didnt degree the cams or anything I just marked the slot on the chain where the cams where origanally at and in relation to the crank and I swaped them. I used a special spring compressor for replacing the valve springs. So everything cost me about $1000 for the cam swap. Frankly, I wish I went with stage 2 cams, but they wre out of stock when I was looking for them, and I was leaving so I was under time constraint. My stage 1's cut off at 5500rpm. I rev up to 6300rpm. Stage 2 would have sounded better and would have pulled until redline..
I would be pretty interested to see your before and after dyno sheets. Your car should still be pulling at 5500~ RPM even with the stage 1 cam.

I know I didn't pick up anything significant until about 5500. I was acutally pretty disapointed with my cams other than the sound. All of that changed with the blower install, they really made a crapton of power once the boost was flowin.
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