Aftermarket oil pressure senders suck!
11-20-2009, 04:15 AM
#1
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Aftermarket oil pressure senders suck! I knew I should have gotten an OEM like every sensor I replaced in my engine.
I used to have a little over 20psi scolding hot idle in the middle of summer with shitty oil and a stock pressure oil pump.
After replacing the sending unit which seemed to give false readying because the needle kept going up and down a little, I made the mistake of getting some brand off Summit, which is also acting the same way at hot idle.
I also just installed a standard volume high pressure pump, and I have fresh 20w50 Castrol in the engine. Cold idle is great, about 50-60psi. Hot idle? Just below the 20psi line :S
Of course when driving, its at 40psi, goes more at WOT.
I used to have a little over 20psi scolding hot idle in the middle of summer with shitty oil and a stock pressure oil pump.
After replacing the sending unit which seemed to give false readying because the needle kept going up and down a little, I made the mistake of getting some brand off Summit, which is also acting the same way at hot idle.
I also just installed a standard volume high pressure pump, and I have fresh 20w50 Castrol in the engine. Cold idle is great, about 50-60psi. Hot idle? Just below the 20psi line :S
Of course when driving, its at 40psi, goes more at WOT.
11-20-2009, 06:54 AM
#2
I knew I should have gotten an OEM like every sensor I replaced in my engine.
I used to have a little over 20psi scolding hot idle in the middle of summer with shitty oil and a stock pressure oil pump.
After replacing the sending unit which seemed to give false readying because the needle kept going up and down a little, I made the mistake of getting some brand off Summit, which is also acting the same way at hot idle.
I also just installed a standard volume high pressure pump, and I have fresh 20w50 Castrol in the engine. Cold idle is great, about 50-60psi. Hot idle? Just below the 20psi line :S
Of course when driving, its at 40psi, goes more at WOT.
I used to have a little over 20psi scolding hot idle in the middle of summer with shitty oil and a stock pressure oil pump.
After replacing the sending unit which seemed to give false readying because the needle kept going up and down a little, I made the mistake of getting some brand off Summit, which is also acting the same way at hot idle.
I also just installed a standard volume high pressure pump, and I have fresh 20w50 Castrol in the engine. Cold idle is great, about 50-60psi. Hot idle? Just below the 20psi line :S
Of course when driving, its at 40psi, goes more at WOT.
11-20-2009, 10:48 AM
#3
Hey:
I don't remember seeing an Advance Auto when I was in Bahrain, just do a NAPA one, thru internet/mail order if you can't get an OEM, they are as good or better than stock GM supposedly.
Dub
When In Doubt Do Without
I don't remember seeing an Advance Auto when I was in Bahrain, just do a NAPA one, thru internet/mail order if you can't get an OEM, they are as good or better than stock GM supposedly.
Dub
When In Doubt Do Without
Last edited by 1993 z28 f1; 11-20-2009 at 10:57 AM.
11-20-2009, 11:11 AM
#4
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I don't see anything to complain about. 
11-20-2009, 09:49 PM
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However, the needle wandering on its own only means I cannot rely on the sending units accuracy. I guess having an accurate reading is always better. But having a reading is also better than none lol
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12-30-2009, 11:28 PM
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Is it a mechanincal gauge? If so I just put a T fitting inbetween the block and the oil pressure sensor, and with the other port on the T thats where I ran my oil line for my mechanical oil pressure gauge.
12-30-2009, 11:45 PM
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12-30-2009, 11:46 PM
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It's electrical. I was searching around and seen earlier lt1's had the oil pressure gauge above the oil filter. Wondering if I could put the autometer one there?
12-30-2009, 11:55 PM
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12-30-2009, 11:58 PM
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Ohh gotcha, Hes a link to shbox website along with pictures. Scroll down to #22-24
http://shbox.com/1/component_location_views.html
http://shbox.com/1/component_location_views.html
12-31-2009, 02:40 AM
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Ya, that should work out fine for you. I'm not sure on what degree elbow you will need as I dont know how big the autometer unit is but thats pretty easy to figure out. sounds like you've already got that part figure out anyway.
01-04-2010, 01:26 PM
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Going with a 45deg fitting. Now just going to have to use my buddie's honda size hands to get in there lol. Stupid question, but here it goes. Would I be able to take that plug out and put in the fitting without oil gushing out? Or should I just drain it first, reason being just did an oil change. Be a waste of 20 bucks or so.
01-04-2010, 02:08 PM
#18
Going with a 45deg fitting. Now just going to have to use my buddie's honda size hands to get in there lol. Stupid question, but here it goes. Would I be able to take that plug out and put in the fitting without oil gushing out? Or should I just drain it first, reason being just did an oil change. Be a waste of 20 bucks or so.
