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Generation III Internal Engine
1997-2006 LS1 | LS6
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Why am I burning so much oil?

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Old 08-23-2005, 12:39 PM   #1
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Default Why am I burning so much oil?

I just put a new motor in my car and in 1100 miles it has burned 6qts of oil! Here is the motor and imfo:
HPE 383 eagle crank,scat rods, wiesco pistons w/ valve reliefs, patriot stage 2 ls6 heads 64 cc my compression is 10.75:1.Rest of mods in sig.I have a amw catch can and pcv on the car the catch can has filled up twice so that accounts for 3/4 of a qt of oil.One more fact for everyone the motor when warmed up only runs around 20psi of oil pressure, when it is driving it will get up 40 psi, when it is in wot it will go up to 60-70 psi then suddenly drop down to 20psi.
So anyone have any guess as to what it could be?
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Old 08-23-2005, 01:05 PM   #2
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I would call HPE and talk to them, sounds like a bearing from your oil pressure issues, but keep in mind that new motors burn up alot of oil while being broken in.
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Old 08-23-2005, 01:27 PM   #3
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Did you put thread sealer on the rocker arm bolts?
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Old 08-23-2005, 01:48 PM   #4
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If the oil pressure is changing that much and fast and goes from 20 to 70 psi it sounds like something with the pump or sucking air at the pickup. We only did the shortblock right and you put everything else on yourself if I am correct? Where is your PCV? Is it in the cover with the baffle off?
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Old 08-23-2005, 03:32 PM   #5
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Thread sealer yes.

Pcv in stock location with catch can after the pcv.

Erik sent you a pm.
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04 Z06, lowered on stock bolts, 18/19 Black cray scorpions w/ g-force rubber,6000k hid, euro tailights, raptor shift lite,b&m shifter,callaway k&n honker intake, A/R headers/ catted x, powerbond underdrive pulley, 160 t-stat, RPM Motors Inc cam, GM parts bin motor, crane 833 dual springs.

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98 A4 t/a,forged 383, TNT F2, 224/228 114, patriot heads, macs , slp dual dual w/ cut out, midwest 3500, baer, bmr everthing eibach prokit, bilstein. konig appeal 17x9.5 built 8.8 rear w/3.73s
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Old 08-23-2005, 03:54 PM   #6
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Quote:
Originally Posted by LSONE
I would call HPE and talk to them, sounds like a bearing from your oil pressure issues, but keep in mind that new motors burn up alot of oil while being broken in.
Not that much.
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Old 08-23-2005, 04:28 PM   #7
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Quote:
Originally Posted by pphilli1
Not that much.
I agree, but they do burn oil
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Old 08-23-2005, 07:01 PM   #8
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Yeah you shouldn't really burn any noticeable amount past the first few minutes of operation in general.
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Old 08-23-2005, 08:36 PM   #9
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First it looks like you might have a bearing problem or sucking up air as stated.Second would be the tune in the car.Was the car tuned in? I've seen people run too much timing and get alot of knock which causes the rings to flutter and then the motor never get's broken in and the rings never seat right causing serious oil consumption
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Old 08-24-2005, 11:02 AM   #10
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Quote:
Originally Posted by Slowhawk
First it looks like you might have a bearing problem or sucking up air as stated.Second would be the tune in the car.Was the car tuned in? I've seen people run too much timing and get alot of knock which causes the rings to flutter and then the motor never get's broken in and the rings never seat right causing serious oil consumption
It was tuned with a very safe tune w/ hp tuner.My tuner actually fixes alot of other cars here in town that have been tuned on the dyno and dont quite run right on the street.
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SOLD.......
98 A4 t/a,forged 383, TNT F2, 224/228 114, patriot heads, macs , slp dual dual w/ cut out, midwest 3500, baer, bmr everthing eibach prokit, bilstein. konig appeal 17x9.5 built 8.8 rear w/3.73s
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Old 08-24-2005, 11:09 AM   #11
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well keep us posted cause id like to see you get it solved.Eric's been great to deal with so if it ends up being something on their end,which it prolli isnt,im sure theyll take care of you. btw you have any pics of ur pcv catch can setup?
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Old 08-24-2005, 11:17 AM   #12
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Quote:
Originally Posted by ddnspider
well keep us posted cause id like to see you get it solved.Eric's been great to deal with so if it ends up being something on their end,which it prolli isnt,im sure theyll take care of you. btw you have any pics of ur pcv catch can setup?
No pics of catch can but it is the amw catch can w/ ls1 bracket bolted right to pass side head.Very simple install remove factory hose from pcv to intake and replace that piece with the amw supplied hose thats it.BTW it is black to somewhat look like a factory piece for the smog **** in CA.
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04 Z06, lowered on stock bolts, 18/19 Black cray scorpions w/ g-force rubber,6000k hid, euro tailights, raptor shift lite,b&m shifter,callaway k&n honker intake, A/R headers/ catted x, powerbond underdrive pulley, 160 t-stat, RPM Motors Inc cam, GM parts bin motor, crane 833 dual springs.

SOLD.......
98 A4 t/a,forged 383, TNT F2, 224/228 114, patriot heads, macs , slp dual dual w/ cut out, midwest 3500, baer, bmr everthing eibach prokit, bilstein. konig appeal 17x9.5 built 8.8 rear w/3.73s
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Old 08-24-2005, 11:17 AM
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