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Oil pump: LS, GSR, ITR all the same? High boost application...

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Old 08-14-2006, 08:44 AM
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Default Oil pump: LS, GSR, ITR all the same? High boost application...

I have a 98 LS which is being prepped to run at least 15 psi and I have heard that the LS, GSR, and ITR oi pumps are all the same. If this is true, then it makes no sense to upgrade to one of these(GSR or ITR) correct? Furthermore, will the stock LS oil pump do the work, or do I need to go aftermarket, such as Toda?

Thanks.
Old 08-14-2006, 08:48 AM
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Default Re: Oil pump: LS, GSR, ITR all the same? High boost application... (lsturbo*)

I would stick with an OEM GSR oil pump. I don’t think the Toda oil pump gear is worth the money imo.

**edited** OBD2 oil pumps are all the same




Modified by BoostedEG6 at 1:42 PM 8/14/2006
Old 08-14-2006, 09:23 AM
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Default Re: Oil pump: LS, GSR, ITR all the same? High boost application... (BoostedEG6)

LS pump will be fine.

There is a place, maybe Benson or something where you can send your OEM pump and they do a bunch of sheit to it, like shim the pump so it flows about 10psi more than normal and they do a few other things too, like englarge/chamfer some of the ports. If I remember right it's like $150 plus shipping.
Old 08-14-2006, 09:25 AM
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Default Re: Oil pump: LS, GSR, ITR all the same? High boost application... (lsturbo*)

"ALL 96+ integra pumps are the same ls/gsr/hype r go check the part numbers. Also including b20's" quoted from boostedej1

https://honda-tech.com/zerothread?id=1605243

I keep finding conflicting arguments on the subject.
Old 08-14-2006, 09:33 AM
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Default Re: Oil pump: LS, GSR, ITR all the same? High boost application... (lsturbo*)

All 96+ part numbers are the same.

Logic leads me to believe they are the same part.
Old 08-14-2006, 09:37 AM
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Default Re: Oil pump: LS, GSR, ITR all the same? High boost application... (19sec beast)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 19sec beast &raquo;</TD></TR><TR><TD CLASS="quote">All 96+ part numbers are the same.

Logic leads me to believe they are the same part.</TD></TR></TABLE>

Old 08-14-2006, 09:40 AM
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Default Re: Oil pump: LS, GSR, ITR all the same? High boost application... (19sec beast)

After doing more research all OBD2 oil pumps have the same part number like stated above. OBD1 oil pumps are different however between GSR and LS
Old 08-14-2006, 09:41 AM
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Default Re: Oil pump: LS, GSR, ITR all the same? High boost application... (Slammd Sol)

does anyone know how much of a shim makes x more pressure?
Old 08-14-2006, 10:01 AM
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Default Re: Oil pump: LS, GSR, ITR all the same? High boost application... (adictionbass)

I think most are using 0.050" and it seems about 10psi more.....
Old 08-14-2006, 10:16 AM
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Default

i believe the ITR and GSR are the same parts number, but the LS is differ. Thats what Acura told me anyway.
Old 08-14-2006, 10:30 AM
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Default Re: Oil pump: LS, GSR, ITR all the same? High boost application... (mike1114)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mike1114 &raquo;</TD></TR><TR><TD CLASS="quote">I think most are using 0.050" and it seems about 10psi more.....</TD></TR></TABLE>

thank u sir
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