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Is the ls1 used in 98 Z28 same as the 98 vettes?

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Old 07-16-2007 | 04:53 PM
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Default Is the ls1 used in 98 Z28 same as the 98 vettes?

I was under the impression it was, some one told me its not. please explain what the differences are? only 97-98 C5 I know the LS6 intake and better cams came along a few years later.
Old 07-16-2007 | 04:58 PM
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The intake is box is different. And i think that the F-body LS1's are cable driven throttle bodies and the Vette's are electronic. I can't be certain as i've never owned a LS1 F-body. I do think the EGR was not on the LS1's in '98+ though.
Old 07-16-2007 | 05:01 PM
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power wise they should be the same right? I mean is the LS1 used in the C5 more beffed up with 4 bolt mains, different cams etc?
Old 07-16-2007 | 05:03 PM
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Well, the corvette has a freer flowing exhaust, but engine wise, yes.
Old 07-16-2007 | 05:09 PM
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Originally Posted by fatboyq
power wise they should be the same right? I mean is the LS1 used in the C5 more beffed up with 4 bolt mains, different cams etc?
same motor and they acually have 6 bolt mains.
Old 07-16-2007 | 05:54 PM
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Same cam/intake manifold, different exhaust manifolds... IIRC Think the tb is the same size, just drive by wire.
Old 07-17-2007 | 10:46 AM
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Throttle body [ETC], Oil Pan, and Camshaft are the biggest differences and the lack of EGR on the Vettes. The cam differences are not enough to show a performance gain. The F-body cam has more lift but less overlap.
Old 07-17-2007 | 07:00 PM
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shouldn't the fbody be faster from a dig?
Old 07-17-2007 | 07:03 PM
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'98 LS1 is a '98 LS1. Some of the accessories are different vette to F-body (TB cable vs wire, exhaust system, and no EGR for the Vette), otherwise the engine is the same.
Old 07-17-2007 | 07:13 PM
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Originally Posted by fatboyq
power wise they should be the same right? I mean is the LS1 used in the C5 more beffed up with 4 bolt mains, different cams etc?
search is your friend. 6 bolt mains, and only one cam. we arent ricers here and we dont need more cams like ford does to make a fast car.
Old 07-17-2007 | 07:47 PM
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Originally Posted by LS1W66
Throttle body [ETC], Oil Pan, and Camshaft are the biggest differences and the lack of EGR on the Vettes. The cam differences are not enough to show a performance gain. The F-body cam has more lift but less overlap.
Cam is the same.
Old 07-17-2007 | 07:52 PM
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try a search
Old 07-17-2007 | 07:54 PM
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cam is different.

1998 F-body:
209/198 .500/.500 119.5

1998 Y-body:
207/199 .479/.472 117
Old 07-17-2007 | 08:02 PM
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Originally Posted by bww3588
cam is different.

1998 F-body:
209/198 .500/.500 119.5

1998 Y-body:
207/199 .479/.472 117
GOt the rest of the years? '98 F's are one year wonders


EDIT:https://ls1tech.com/forums/showpost....87&postcount=9

Last edited by XLR8TOR; 07-17-2007 at 08:08 PM.
Old 07-17-2007 | 08:08 PM
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Originally Posted by XLR8TOR
GOt the rest of the years? '98 F's are one year wonders.
https://ls1tech.com/forums/showpost....80&postcount=2

Everyone needs to get into the " New LS1 Owners - Newbie Tech" and read the stickies in there. All of this info has been gone over countless times.

Everyone needs to read JRP's sticky.
Old 07-17-2007 | 08:10 PM
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Originally Posted by StoleIt
https://ls1tech.com/forums/showpost....80&postcount=2

Swear to god you guys are some of the laziest people...everyone needs to get into the " New LS1 Owners - Newbie Tech" and read the stickies in there. All of this info has been gone over countless times.

Beat you with my edit That thread doesn't address Ycar cam Vs Fcar cam.
Old 07-17-2007 | 08:10 PM
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Originally Posted by StoleIt
https://ls1tech.com/forums/showpost....80&postcount=2

Swear to god you guys are some of the laziest people...everyone needs to get into the " New LS1 Owners - Newbie Tech" and read the stickies in there. All of this info has been gone over countless times.
once they get 10 posts they "graduate" from that section.
Old 07-17-2007 | 08:10 PM
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Originally Posted by XLR8TOR
Beat you with my edit
Alright you escape

Damn you guys quote me fast...I thought I was bit harsh so I edited it down a bit.
Old 07-17-2007 | 08:14 PM
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Originally Posted by XLR8TOR
GOt the rest of the years? '98 F's are one year wonders


EDIT:https://ls1tech.com/forums/showpost....87&postcount=9
they may be one year wonders, but the engine in question is the 1998 LS1, and the cams are different. but i agree, people need to search.
Old 07-17-2007 | 08:21 PM
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Originally Posted by bww3588
they may be one year wonders, but the engine in question is the 1998 LS1, and the cams are different. but i agree, people need to search.
I hadn't tried the search button in weeks. It's rarely working.



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