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magic number of 400 ft-lbs??

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Old Oct 13, 2005 | 12:39 PM
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Default magic number of 400 ft-lbs??
what could i do to my car to get that magic number of 400 ft-lbs, like the 2002 z06. obviously i could swap in a 2002 zo6 cam, but what other deficiencies in a 2001 ws6 could i fix to get the magic number of 400 for that big block torquey feel??

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Old Oct 13, 2005 | 12:40 PM
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Originally Posted by danf1000
what could i do to my car to get that magic number of 400 ft-lbs, like the 2002 z06. obviously i could swap in a 2002 zo6 cam, but what other deficiencies in a 2001 ws6 could i fix to get the magic number of 400 for that big block torquey feel??

experienced responses please!!

Heads/cam
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Old Oct 13, 2005 | 12:49 PM
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....but wouldn't head work change the rpm range, possibly creating less low-end torque??
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Old Oct 13, 2005 | 12:56 PM
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Originally Posted by danf1000
what could i do to my car to get that magic number of 400 ft-lbs, like the 2002 z06. obviously i could swap in a 2002 zo6 cam, but what other deficiencies in a 2001 ws6 could i fix to get the magic number of 400 for that big block torquey feel??

experienced responses please!!
First you will need all the required bolt ons.
LS6 cam will not be enough, as stated you will probably have to heads as well.

Originally Posted by danf1000
....but wouldn't head work change the rpm range, possibly creating less low-end torque??
No, putting a bigger cam in will create less low end torque and alter the RPM range.
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Old Oct 13, 2005 | 01:09 PM
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You will more than likely have to do heads to get to 400rwtq. All bolt-ons and a good head/cam combo could get you there.
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Old Oct 13, 2005 | 01:09 PM
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doesnt it really just move the low end up a little higher??
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Old Oct 13, 2005 | 01:14 PM
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You can throw in the LS6 cam and valvetrain, heads, and intake (if you dont have an LS6 on there already) and you would be at about 400 flywheel tq like the Z06's. Now if your talking 400 rwtq then your gonna need a cam specifically ground for more torque and probably some better flowing heads as well. Also you will need full exhaust and tuning and probably an upgraded fuel system. As was already stated above a larger cam will give you more top end HP at the sacrifice of some low end toque.
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Old Oct 13, 2005 | 01:15 PM
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Originally Posted by danf1000
what could i do to my car to get that magic number of 400 ft-lbs, like the 2002 z06. obviously i could swap in a 2002 zo6 cam, but what other deficiencies in a 2001 ws6 could i fix to get the magic number of 400 for that big block torquey feel??

experienced responses please!!
I think you're talking fly wheel ft-lbs, not rear wheel ft-lbs.
400 ft-lbs = 340ish tq at the rear wheels- attainable with bolt-ons, stock heads, stock cam.
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Old Oct 13, 2005 | 02:53 PM
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yeah i put down 360 ft/lbs. at the wheels with just the mods in my sig, don't even have a pulley yet!
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Old Oct 13, 2005 | 02:56 PM
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People have gotten 420ft/lbs with a cam and AFR heads.
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Old Oct 13, 2005 | 03:41 PM
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Originally Posted by dug
People have gotten 420ft/lbs with a cam and AFR heads.
yeah afr 205's and a torque biased cam and you get 400wtq easy.
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Old Oct 13, 2005 | 03:51 PM
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interesting, looks like you can get it on bolt-ons and exhaust alone....

thanks for gm underrating our engines...
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Old Oct 13, 2005 | 03:52 PM
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oh, by the way, name a few torque biased camshafts....
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Old Oct 13, 2005 | 03:54 PM
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Originally Posted by danf1000
oh, by the way, name a few torque biased camshafts....
Anything below 224 in duration.
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Old Oct 13, 2005 | 04:12 PM
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And symmetrical.
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Old Oct 13, 2005 | 04:24 PM
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Originally Posted by danf1000
interesting, looks like you can get it on bolt-ons and exhaust alone....

thanks for gm underrating our engines...
That is if you are talking flywheel horsepower.
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