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AuthorTopic: Oil Pressure 3.5EFI V8  (Read 1417 times)

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Offline Lewis.J.P_1987

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Oil Pressure 3.5EFI V8
« on: May 06, 2009, 10:50:20 »
What kind of oil pressure should I be looking at for my RRC, just fitted an internal oil pressure gauge and was wondering what it should be :huh:
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Offline Bowie

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Re: Oil Pressure 3.5EFI V8
« Reply #1 on: May 06, 2009, 11:39:16 »
15psi @ idle, 35 max anywhere else.

Any good?
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1980 SIII Lightweight 2.25 Petrol - completely standard.
1991 Range Rover Vogue SE 3.9 V8 - now on LPG (sorted!), 2" lift, mud tyres, and more to come...

Offline Lewis.J.P_1987

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Re: Oil Pressure 3.5EFI V8
« Reply #2 on: May 06, 2009, 14:16:50 »
That seems ok then, mine sits at 20 at 900rpm,

Cheers
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Offline Bowie

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Re: Oil Pressure 3.5EFI V8
« Reply #3 on: May 07, 2009, 09:55:03 »
Quite a high idle TBH, any reason for this?
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1980 SIII Lightweight 2.25 Petrol - completely standard.
1991 Range Rover Vogue SE 3.9 V8 - now on LPG (sorted!), 2" lift, mud tyres, and more to come...

Offline Lewis.J.P_1987

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Re: Oil Pressure 3.5EFI V8
« Reply #4 on: May 07, 2009, 10:21:07 »
If I am in park it sits at 900rpm. If im in drive with the brakes on its sits a lot lower. Its always been like it.
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Offline Bowie

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Re: Oil Pressure 3.5EFI V8
« Reply #5 on: May 07, 2009, 13:45:40 »
Might be time to re-set the base idle in that case, simple enough job, Haynes has the procedure for doing this.
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1980 SIII Lightweight 2.25 Petrol - completely standard.
1991 Range Rover Vogue SE 3.9 V8 - now on LPG (sorted!), 2" lift, mud tyres, and more to come...

Offline Tel

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Re: Oil Pressure 3.5EFI V8
« Reply #6 on: May 07, 2009, 15:12:53 »
ive just done the same to mine and mine also sits at 20psi at 760 rpm (on megatune)

mine goes up the higher i rev mine to about 60 which with other cars ive had gauges in seems normal
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Offline hairyasswelder

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Re: Oil Pressure 3.5EFI V8
« Reply #7 on: May 07, 2009, 17:49:47 »
Autodata states....... 2.1-2.8 bar @2400 rpm on 3.5 efi  ;)
Mine just puts the oil light outt  :lol: :lol:
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Offline Range Rover Blues

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Re: Oil Pressure 3.5EFI V8
« Reply #8 on: May 07, 2009, 18:50:44 »
V8s do run with quite low oil presure, limited partly by the drive gear on the dizzy.
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Offline dod51e

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Re: Oil Pressure 3.5EFI V8
« Reply #9 on: May 11, 2009, 01:08:47 »
Quote from: Lewis.J.P_1987 on May 06, 2009, 10:50:20
What kind of oil pressure should I be looking at for my RRC, just fitted an internal oil pressure gauge and was wondering what it should be :huh:
What model gauge did you use and where did you plumb it in?  any chance of some pics as I was wondering about fitting such an item as I never did like trusting a simple on/off warnig light!!

Cheers
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Offline dod51e

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Re: Oil Pressure 3.5EFI V8
« Reply #10 on: May 11, 2009, 01:19:48 »
Quote from: Lewis.J.P_1987 on May 06, 2009, 10:50:20
What kind of oil pressure should I be looking at for my RRC, just fitted an internal oil pressure gauge and was wondering what it should be :huh:
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Offline Range Rover Blues

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Re: Oil Pressure 3.5EFI V8
« Reply #11 on: May 11, 2009, 13:26:58 »
Depending on the model year there are 3 tapping in the oil pump, be careful as one is the prssure relief valve.
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Blue,  1988  Range Rover 3.5 EFi with plenty of toys bolted on
Chuggaboom, 1995 Range Rover Classic
1995 Range Rover Classic Vogue LSE with 5 big sticks of Blackpool rock under the bonnet.
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