98-02 stock cam specs
Adkoonerstrator
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From: Deep in the seedy underworld of Koonerville
Re: 98-02 stock cam specs I thought the '00's had .500/.500 for the lift. <img src="images/icons/confused.gif" border="0">
I guess my '01 cam is just a teeny tiny blower cam. <img src="gr_grin.gif" border="0">
I guess my '01 cam is just a teeny tiny blower cam. <img src="gr_grin.gif" border="0">
Teching In
Joined: Dec 2001
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From: Orlando, FL
Re: 98-02 stock cam specs LS1derfull, sorry sir but YOU are incorrect. The lift for the F-body cam is .500/.500. The Y-body cam is a .472/.479 spilt for a supposedly smoother idle and for the dual exhaust. <img src="gr_images/icons/cool.gif" border="0">
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Adkoonerstrator
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From: Deep in the seedy underworld of Koonerville
Re: 98-02 stock cam specs In '01 the F-body cam was changed and I am pretty sure it is smaller than .500/.500 lift so you can't just say the f-body has one cam for all the years. <img src="graemlins/gr_judge.gif" border="0" alt="[judgement]" /> <img src="gr_images/icons/wink.gif" border="0">
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Thread Starter
Teching In
Joined: Jan 2002
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From: Wallyworld, CT
Re: 98-02 stock cam specs Directly from my 02 FSM [sec.5.7L Unit Repair pg 6-497]
cam lobe lift-Intake: .324
cam lobe lift-Exhaust: .322
What's the math to get to the typically published spec? The manual dosen't specify if that's at .006 or .050 or anything, just states the actual lobe lift at the cam. I thought that number is multiplied by rocker ratio, which put's it at .550 & .547
???
NE1?
cam lobe lift-Intake: .324
cam lobe lift-Exhaust: .322
What's the math to get to the typically published spec? The manual dosen't specify if that's at .006 or .050 or anything, just states the actual lobe lift at the cam. I thought that number is multiplied by rocker ratio, which put's it at .550 & .547
???
NE1?
Re: 98-02 stock cam specs In the event that it makes any difference....keep in mind that the '98-'00 F-body LS1s had EGR while the '01-'02s, as well as all C5 LS1s, did not. There were/are provisions on the cam for each respective application. <img src="gr_stretch.gif" border="0"> <img src="graemlins/burnout.gif" border="0" alt="[Burnout]" />
Thread Starter
Teching In
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From: Wallyworld, CT
Re: 98-02 stock cam specs [quote]Originally posted by jswhite:
<strong>johnl- Those last lifts are for the 02 LS6 can I think.</strong><hr></blockquote>
Ahhh.... you are so right. My bad... guess I shouldn't be trying to flip through the service manual too quickly early in the morning.
Corrected data: [FSM pg 6-491]
lobe lift-intake: .274
lobe lift-exhaust:.281
With the correct factor for rocker ratio of 1.7, that's .466I, .478E.
Yup....I like the Z06 cam spec's better!
[ February 13, 2002: Message edited by: johnl_96Z/02TA ]</p>
<strong>johnl- Those last lifts are for the 02 LS6 can I think.</strong><hr></blockquote>
Ahhh.... you are so right. My bad... guess I shouldn't be trying to flip through the service manual too quickly early in the morning.
Corrected data: [FSM pg 6-491]
lobe lift-intake: .274
lobe lift-exhaust:.281
With the correct factor for rocker ratio of 1.7, that's .466I, .478E.
Yup....I like the Z06 cam spec's better!
[ February 13, 2002: Message edited by: johnl_96Z/02TA ]</p>
TECH Addict
Joined: Dec 2001
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From: new england
Re: 98-02 stock cam specs Firesquawk, my specs are correct, this info is right off GM SI2000 website, under 2001-2002 fbody engine specs, this is the same cam as 6.0 litre truck engine cam. This is fact and im sorry if you disagree.
TECH Enthusiast
Joined: Nov 2001
Posts: 678
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From: Kemah, TX
Re: 98-02 stock cam specs I copied this down not too long ago:
[quote]Stock cam specs
We put the cam that came out of Jason99TAs motors on the Cam Doctor last weekend and it was 200/210 499/499 117lsa.
Paul
www.thunderracing.com
1-877-516-7223
<hr></blockquote>
[quote]Stock cam specs
We put the cam that came out of Jason99TAs motors on the Cam Doctor last weekend and it was 200/210 499/499 117lsa.
Paul
www.thunderracing.com
1-877-516-7223
<hr></blockquote>
