01blackbeast

iTrader: (41)

I have a 2 part question here. I just recently bought a 2000 SS to sell. It's idling at 20-25 psi and will come up to around 35-40 psi when revved. I haven't drained the oil yet to check for metal, but there wasn't any sign of it on the dipstick. The oil pressure sensor has already been replaced and didn't change anything. If we drain the oil and find metal(indicating bearing failure), I'm going to take the car down to a roller and sell everything else separately.dum

Here's the questions: 1) What do you think could be the problem? 2) Should I Part it out or fix to sell?

Here's what all it has:

2000 Chevrolet Camaro SS with 147k on the body, 30k on the fully rebuilt LS1, and 1500 miles on 6-speed trans. (Have receipts)

Mods are:
FAST 92mm intake
Nick Williams 92mm TB
Fast fuel rails
Fast 36# injectors
TSP Chromoly pushrods
PRC Dual valve springs
TSp torquer v2 cam
Melling high volume oil pump
SLP underdrive pulleydum
Rebuilt T56 6-speed trans with new syncros and shift fork
Ls7 clutch and flywheel
Tick Performance adjustable master cylinder
Ls2 from timing cover
Ls2 timing chain and gears
Ls2 cam position sensordum
FTP air lid
K&N air filter
Z06 front calipers and rotorsdum
Black staggered 17x9.5, 18x10.5 C5 Z06 wheels
Umi pan hard bar and lower control armsdum
Umi strut tower bracedum
Tsp off road 3" y pipe
3 inch cat back
Hooker long tube headersdum
Racetronics 255 lph fuel pump

conan

iTrader: (5)

I would check oil pressure with a mechanical gauge first, then pull the timing cover and see if the O ring got pinched.

dr_whigham

iTrader: (49)

Agree. Put a mechanical gauge on it and see where the pressure is.

Then drain the oil and check for fairy dust.

Last, pull the timing cover and just go with a new o-ring or even oil pump.

Mercier

iTrader: (15)

Do you have any concrete info on what went into the rebuild? My brother ended up with very low pressure in a purchased car and we suspect the builder used the wrong bearings causing higher clearances and lower pressure.

Fierofly

iTrader: (1)

Since I'm kinda new to this LS motor stuff, but that would be around normal for a small block chevy. What are normal LS pressures?

conan

iTrader: (5)

On a stock pump you should see 35-40 psi @ hot idle, and 60 psi at wide open throttle. I'm running a Melling pump in my 5.3L LM7 and I see 50 psi @ hot idle and 75 psi at wide open throttle.

01blackbeast

iTrader: (41)

Sorry fellas, it's hard to find time throughout the day with a little one running around. Lol. Anyway, those numbers were taken with a mechanical gauge. Our first suspicion is a pinched or cut O-ring. I have pulled the dipstick and there was no signs of metal, and the engine doesn't make any strange noises. So an oil change and cut the filter open is next. I do have all the paperwork for the total rebuild. The shortblock was done by Rockville Ring and Bearing Services. For some reason, the PO said that he used "Toyota silicone on the used cam plate".

Gotit4cheap16

iTrader: (3)

I had this same problem after I cammed my car just 3 weeks ago. Now my car wont stay on unless I give it gas and when I let off it turns off. I checked the oil dip stick and seen little small silver metal shavings. My oil pressure wont even go up when try to start it. I just got an new 01 block from a friend for $500 and rebuilding my cam build.