Oil pressure release valve

aw11man · 08-09-2008, 01:39 PM

Just wondering if anyone knowns where the the pressure release valve is on the redtop?

Celica RA45 · 08-09-2008, 09:46 PM

oil pressure relief is on the front part of alloy sump shapped like a oblong with a 19mm bolt head and 2 12mm heads on the side

aw11man · 08-10-2008, 02:32 AM

Thanks Glen, i was looking at cleaning it out but dont know much about it, just trying to increse oil pressure in higher rpm's.

Also have a thread on toymods, i found this

Mini: adjustable oil pressure relief valve

can something like this be done to the beams? was thinking this could be good in the the summer months along with an oil cooler.

Celica RA45 · 08-10-2008, 04:36 AM

dont do that as the beams have a hi volume oil pump and on full revs at 3500 oil pressure should be about 650 kp or 90 lbs as it need volume for the vvti

aw11man · 08-10-2008, 05:58 AM

Ah ok its just that i seem to be getting a pressure drop in higher rpm, i guess i will just clean it out and see if its stuck and see what happens.

Celica RA45 · 08-10-2008, 06:24 AM

are you running a mechanical oil pressure guage or just the electric toyota 1
1 as it comes from the back of the head pressure will be lower than where it come from say the altezza sump which is from the pan
on my race car in wet sump mode oil sits around 550 to 650 kph at any thing after 3500 rpm
so half of 600 yours should be about 300 kph at back of head
also oil gets picked up then through relief valve then to filter then motor .hope this helps

aw11man · 08-10-2008, 06:53 AM

its just the standard aw11 guage and sender but seems pretty responsive, if i keep it at 4/5000rpm+ it would probably eventually sink back to the level usually seen when idleing.

RST · 08-10-2008, 05:11 PM

I can confirm that, had dual temp and oil press gauges and you would get about 6Bar whenever the engine is working hard, 2Barg on my gauge on idle / othersise anyway.

..1Barg and you've got probs apparently.

aw11man · 08-11-2008, 11:58 AM

So has anyone cleaned out there OP release valve before?, i suppose i will need to do it when i next change the oil or can it be done with oil in sump?

08-09-2008, 01:39 PM	#1 (permalink)
aw11man Beams Owners Group Join Date: Nov 2007 Posts: 29 Thanks: 3 Thanked 1 Time in 1 Post iTrader Rating: (0/0% )	Oil pressure release valve Just wondering if anyone knowns where the the pressure release valve is on the redtop?

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08-09-2008, 09:46 PM	#2 (permalink)
Celica RA45 Beams Owners Group Join Date: Aug 2006 Location: sunny australia Posts: 628 Thanks: 0 Thanked 44 Times in 40 Posts My Google Map iTrader Rating: (0/0% )	oil pressure relief is on the front part of alloy sump shapped like a oblong with a 19mm bolt head and 2 12mm heads on the side

08-10-2008, 02:32 AM	#3 (permalink)
aw11man Beams Owners Group Join Date: Nov 2007 Posts: 29 Thanks: 3 Thanked 1 Time in 1 Post iTrader Rating: (0/0% )	Thanks Glen, i was looking at cleaning it out but dont know much about it, just trying to increse oil pressure in higher rpm's. Also have a thread on toymods, i found this Mini: adjustable oil pressure relief valve can something like this be done to the beams? was thinking this could be good in the the summer months along with an oil cooler.

08-10-2008, 04:36 AM	#4 (permalink)
Celica RA45 Beams Owners Group Join Date: Aug 2006 Location: sunny australia Posts: 628 Thanks: 0 Thanked 44 Times in 40 Posts My Google Map iTrader Rating: (0/0% )	dont do that as the beams have a hi volume oil pump and on full revs at 3500 oil pressure should be about 650 kp or 90 lbs as it need volume for the vvti

08-10-2008, 05:58 AM	#5 (permalink)
aw11man Beams Owners Group Join Date: Nov 2007 Posts: 29 Thanks: 3 Thanked 1 Time in 1 Post iTrader Rating: (0/0% )	Ah ok its just that i seem to be getting a pressure drop in higher rpm, i guess i will just clean it out and see if its stuck and see what happens.

08-10-2008, 06:24 AM	#6 (permalink)
Celica RA45 Beams Owners Group Join Date: Aug 2006 Location: sunny australia Posts: 628 Thanks: 0 Thanked 44 Times in 40 Posts My Google Map iTrader Rating: (0/0% )	are you running a mechanical oil pressure guage or just the electric toyota 1 1 as it comes from the back of the head pressure will be lower than where it come from say the altezza sump which is from the pan on my race car in wet sump mode oil sits around 550 to 650 kph at any thing after 3500 rpm so half of 600 yours should be about 300 kph at back of head also oil gets picked up then through relief valve then to filter then motor .hope this helps

08-10-2008, 06:53 AM	#7 (permalink)
aw11man Beams Owners Group Join Date: Nov 2007 Posts: 29 Thanks: 3 Thanked 1 Time in 1 Post iTrader Rating: (0/0% )	its just the standard aw11 guage and sender but seems pretty responsive, if i keep it at 4/5000rpm+ it would probably eventually sink back to the level usually seen when idleing.

08-10-2008, 05:11 PM	#8 (permalink)
RST Beams Owners Group Join Date: May 2007 Location: Inverness, Scotland Posts: 479 Thanks: 8 Thanked 25 Times in 22 Posts iTrader Rating: (1/100% )	I can confirm that, had dual temp and oil press gauges and you would get about 6Bar whenever the engine is working hard, 2Barg on my gauge on idle / othersise anyway. ..1Barg and you've got probs apparently.

08-11-2008, 11:58 AM	#9 (permalink)
aw11man Beams Owners Group Join Date: Nov 2007 Posts: 29 Thanks: 3 Thanked 1 Time in 1 Post iTrader Rating: (0/0% )	So has anyone cleaned out there OP release valve before?, i suppose i will need to do it when i next change the oil or can it be done with oil in sump?