LS vs. GSR for turbo. overlaid dyno plot...kinda weird.
07-17-2002, 07:13 PM
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LS vs. GSR for turbo. overlaid dyno plot...kinda weird.
I threw this together. I know all cars vary, but it should give you a basic idea of the difference of LS vs GSR.
07-17-2002, 07:36 PM
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Re: LS vs. GSR for turbo. overlaid dyno plot...kinda weird. (tonydatyga)
god that ls tq falloff is disgusting... no i know why they go for $400
[Modified by 00SilverLS, 11:41 PM 7/17/2002]
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07-17-2002, 09:38 PM
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Re: LS vs. GSR for turbo. overlaid dyno plot...kinda weird. (00SilverLS)
When i ran a ls for a couple months i noticed that dip in torque as well. I would recommend a larger turbo, something in the e family for the ls. Opening up the head (ie. exhaust porting), crower cams and better intake manifold will all help tremendously. I did the exhaust porting myself, which made a noticable gain on the butt dyno. I never dyno'd that set-up either. I got greedy, ran 18lbs for about two months until the block let loose. Spun a rod bearing, and things were done for that engine quickly. Mainly having a better flowing head will take care of that problem that you are experiencing right now.
07-17-2002, 09:58 PM
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Re: LS vs. GSR for turbo. overlaid dyno plot...kinda weird. (boosted hybrid)
hmm..above 6.5 the gsr smokes..thats where ya race ..but on a side note...it does look like some finer tuning is needed
07-18-2002, 12:27 AM
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Re: LS vs. GSR for turbo. overlaid dyno plot...kinda weird. (DarksideDC4)
cams and cam gears will change it totally
thats if theres a capable tuner.
thats if theres a capable tuner.
07-18-2002, 07:34 AM
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What is this crap?
Re: LS vs. GSR for turbo. overlaid dyno plot...kinda weird. (LEON)
what kind of turbos, boost pressure, set-up, state of tune, etc.??? It's hard to compare without knowing the details.
07-18-2002, 08:25 AM
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Re: LS vs. GSR for turbo. overlaid dyno plot...kinda weird. (falconGSR)
Yes. i believe that plot is decieving. a GSR with a similar setup to the LS should have very similar torque curves from 4-6k rpm.
What setups? Unless they're close to identical, there isn't much reason for a comparision. Looks like the LS is having some trouble above 6K, could be leaning out from the looks of the dyno plot. The GS-R looks like it need some tweaking in the VTEC area of course
[Modified by Speed PHreak, 5:27 PM 7/18/2002]
[Modified by Speed PHreak, 5:30 PM 7/18/2002]
07-18-2002, 11:36 AM
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Re: LS vs. GSR for turbo. overlaid dyno plot...kinda weird. (Speed PHreak)
How can you just overlay 2 dynos and expect to compare them? Are they the same turbo? Same turbo kit? Same boost? All the mods are the same?
07-18-2002, 11:55 AM
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Re: LS vs. GSR for turbo. overlaid dyno plot...kinda weird. (00SilverLS)
god that ls tq falloff is disgusting... no i know why they go for $400
thats my ls....wanna give me soome advice to fix it?
[Modified by 00SilverLS, 11:41 PM 7/17/2002]
thats my ls....wanna give me soome advice to fix it?
[Modified by 00SilverLS, 11:41 PM 7/17/2002]
04-29-2003, 01:58 PM
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Re: LS vs. GSR for turbo. overlaid dyno plot...kinda weird. (Etylorcen)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Etylorcen »</TD></TR><TR><TD CLASS="quote">How can you just overlay 2 dynos and expect to compare them? Are they the same turbo? Same turbo kit? Same boost? All the mods are the same?</TD></TR></TABLE>
exactly...... if they are on similar setups the gap should not be THAT great...
exactly...... if they are on similar setups the gap should not be THAT great...
04-29-2003, 02:16 PM
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Re: LS vs. GSR for turbo. overlaid dyno plot...kinda weird. (boosted hybrid)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by boosted hybrid »</TD></TR><TR><TD CLASS="quote">When i ran a ls for a couple months i noticed that dip in torque as well. I would recommend a larger turbo, something in the e family for the ls. Opening up the head (ie. exhaust porting), crower cams and better intake manifold will all help tremendously. I did the exhaust porting myself, which made a noticable gain on the butt dyno. I never dyno'd that set-up either. I got greedy, ran 18lbs for about two months until the block let loose. Spun a rod bearing, and things were done for that engine quickly. Mainly having a better flowing head will take care of that problem that you are experiencing right now. </TD></TR></TABLE>
boosted hybrid - What was the cause of the spun bearing? Rod bolt stretch? Another question: Was the bottom end completely stock?
boosted hybrid - What was the cause of the spun bearing? Rod bolt stretch? Another question: Was the bottom end completely stock?
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