SEB

iTrader: (12)

I just had a new cam & pushrods & springs & Head Gaskets & new Timing chain, put in my 2000 Formula, I just bought the car in march & noticed the car had low Oil Pressure, On start up after sitting all night when I would start the car, The car would idle around 40 psi on the stock gauge for the oil pressure. But after about 30 mins or so once the car had warmed up it would drop to about 32 psi on my stock Oil Pressure gauge.

My question is 32 psi Oil Pressure something I should be worried about or is this normal for my car

The shortblock has 103,000 miles on it & has had a fair amount of Nitrous through the motor from the last owner.

Here is a list of my mods!
Stage 2 4l60E Transmisson with TCI Flexplate all upgraded internals was rebuilt by Phoniex Tranmission
Yank Pro Thruster 4400 Stall Converter w/shift kit & Trans cooler
B&M Deep Tranny Pan
Ported stock LS1 Heads
LS6 Intake
Shaner TB
42lb Injectors
Walbro 255 In tank Fuel Pump
NEW Patriot Gold Valve Springs (zero miles)
NEW Hardened Pushrods
NEW Lifters
NEW Timing Chain
NEW Cam Motion Custom Cam Intake is a 600+ lift on Intake & Exhaust with a 238 -242 Duration with a 115 Lope Seperation car put down 420 RWHP on motor
Hooker Super Competeion Long Tube Headers 1 7/8ths
Texas Speed True Dual X-Pipe with Bullet mufflers Dumped
Subframe connectors
Super Slot Rotors
Hawk Pads
New Eibach Pro Kit Springs
QA1 Coil Overs up front
QA1 Adjustable shocks in the back
MSD Wires
Carbon Fiber Lid Drilled for a 5177 NOS KIT
5177 NOS Kit
Window Switch
Remote Bottle Opener
Bottler Heater
NOS Purge coming out the Nostrals SET UP CLEAN NO LINE'S UNDER THE HOOD
3.42 gear out back
T/A Girdle
Tuned & built by Simple Quick Racing out of Fort Worth, TEXAS!
10 Hideaway box so you can still store your t-tops & Rockford amp
WS6 Aftermarket Ram Air Hood
Torqe Thrust II Rims Powder Coated Black w/chrome silver lips
Brand New M/T 17 11.5 ET Streets
New Hawk Break Pads
Slotted Rotors & drilled rotors


Thanks guys!

Seb

SEB

iTrader: (12)

Just tell me someone. Is the 32 psi for my oil pressure when the car is warmed up bad?

66deuce

iTrader: (1)

32 psi at a hot idle is fine.mine runs about 25 psi on my stock pressure gauge.and i've been hammering on it for two +years with no problems

SEB

iTrader: (12)

AHHH! Thankyou, so much, I was really getting worried. You nailed my question on the head. Hot Idle is what it is at (32PSI) So this is great news!

Joel_SS

iTrader: (8)

That is a little lower than you usually see on a stock motor, but nothing to be alarmed at, as long as the pressure goes up whn you give it gas.. When it is really freaking hot outside my prressue @ idle is about 25-30 PSI, 40-45PSI when crusing. But I have a new shortblock with loser clearances.

BLKWS.6

my 170K mile LT1 punched out JUST UNDER 20, call it 19 psi at hot idle. jumped to 60ish when I nailed it. I never had an issue and it ran fine the day I sold it. Ran so good in fact that in 3 months it ended up in a police impound from what I hear was 19 psi normal??? I'm just curious, or was mine on its last legs and I just didnt know it?

66deuce

iTrader: (1)

the minimum spec for oil pressure at hot idle on a OEM motor is around 10 psi,if memory serves me right.with better oils and tighter tolerances on todays motors,you don't need as much pressure as in the past.

jermzz

iTrader: (18)

General recommendation is 10psi for every 1000 rpm from what i'm told, BUT.... if you're constantly running at 40psi idle and then you all of a sudden drop presser to 20 psi, I think that could possibly indicate a problem reguardless of the pressure being within spec. Or am I wrong?

In this case I think it's normal, especially with a cam that big. I dropped a few PSI myself when I put in a bigger cam, I think it's perfectly normal.

66deuce

iTrader: (1)

i should have said an OEM LS1 motor.the old SBC motors needed more.when i did my H/C,my oil pressure dropped about 10 psi.at hot idle.this was with a ported oil pump.i freaked out at first,but as i said it's been 2+years and no problems.and i beat on my car daily,lol.

98hardtopZ

iTrader: (7)

mine has 130k and it idles a lil over 30psi

transam_089

but my gauge is jacked up
when i step on it it goes beserk so i truly have no idea what its truly at
how do i fix this problem?

Black Z28 M6

15psi @ Idle still ok any thing under that not ok

bitterchaos

iTrader: (6)

lower than 30 psi hot idle pressure in Houston is very normal. During the winter, cold pressure can be all the way up to around 60+ psi for my car. But during the summer, when it's really damn hot out, pressure drops pretty low around the 20's when sitting in traffic but goes to around 40 when cruising.