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Old 02-21-2008, 05:50 PM   #1  
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Default possible cam?

My question is, is there any way other than tearing the engine apart to find out if there is an aftermarket cam in the car? Today I pulled the BBK x pipe that was on the car, smashed the cats out and gave it an oil change. I tuned it up with all new plugs, new cap and rotor even a new coil, and cleaned the IAC barely a week ago. After all my attempts to find out why the car idles wierd, I called a buddy who is an ASE certified mechanic. I pulled codes and we even checked the timing. From what I understand the timing should be at 10 degrees BTDC and it was and the only codes that came up were about the emmissions crap being disconected. My friend took it for a spin and he said it drives fine and the engine is running awsome, so he thinks there might be a mild cam in the car like an e303 or something like that. I called the guy I bought the car from and he told me that as soon as he gets in touch with the guy who rebuilt the engine he'll let me know if it isn't the stock cam but he built it over a year ago and probably won't remember.
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Old 02-21-2008, 06:04 PM   #2  
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Default RE: possible cam?

Degree it + measure lobe lift...... the intake and VC's would have to come off though.
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Old 02-21-2008, 06:04 PM   #3  
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Default RE: possible cam?

I'm not the brightest guy on this site, but the only way I can think of would involve pulling 1 valve cover, remove 1 intake and 1 exhaust rocker arm, and measure the lift at the pushrod (there would be no load on the lifter so it shouldn't compress) with a dial indicator???. Even then, you would only be measuring lift against the stock cam's lift, not duration or LS. Does this method sound dumb (it does to me, but I can't really think of another way)???
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