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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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Old 03-30-2008, 11:03 PM   #1
Max777
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Low oil pressure? Get's higer when I give it gas...

Ok, so I just remembered something:

I think my oil pressure is low. Where should the stock gauge be on an S5 N/A? mine is like 1/8th inch below 80, so I'm thinking that the oil pressure is 60?

Also, when I free revved it, it went up... Also, some times, the OP would be higher, sometimes it would be lower. and it differed across the range: when hotto cold of course, but also cold to cold and hot to hot engine as well. I think something is a little funny. That's normal, right? The guy I bought it from, said there has only been 1500 miles put on the car when I bought it, and no need to chage the oil, but then he only put 6000 on it total, and owned it since 2005. This was with that old oil. I changed the oil today, (only had it a week) and replaced the fram with a Purolator. The old oil was NASTY! Was this because he didnt drive it enough? I also put about 8quarts of 2 stroke in the tank along with some Sea Foam, even though I still have my OMP in there. Will report when I fire it up again. I have been on the forums for like a year, but this is my first time actually working on the RX-7, so it's taking me a while to "get used to the real thing." lol.

EDIT: oh yeah, also I just put in about 5 quarts of oil into it, but then I remembered about the big ass oil cooler, and how that's easily a quart in there. Should I drain some oil back out? I think I put in too much...
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Last edited by Max777; 03-30-2008 at 11:07 PM.
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Old 03-30-2008, 11:45 PM   #2
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Quote:
Originally Posted by Max777 View Post
I also put about 8quarts of 2 stroke in the tank along with some Sea Foam, even though I still have my OMP in there.
Is this a typo?
8 quarts of premix is a LOT!
Did you want to say 8 oz.?


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Old 03-31-2008, 06:37 AM   #3
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Quote:
Originally Posted by Max777 View Post
EDIT: oh yeah, also I just put in about 5 quarts of oil into it, but then I remembered about the big ass oil cooler, and how that's easily a quart in there. Should I drain some oil back out? I think I put in too much...
There's a dipstick you know...
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Old 03-31-2008, 02:29 PM   #4
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60psi isn't too bad.

What weight of oil was used and was it at running temp at the time?

(just realized this was off the stock gauge) For best results, confirmation with an afremarket gauge is ideal.
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Old 03-31-2008, 05:55 PM   #5
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Umm, dunno I put 10W-40 in it. I will report back when I run it.

Also, YES, I'm of course putting in a GOOD oil pressure and water temp gauges, I just need to save up a bit, and find another job. I had top quit my last one recently because of my parents... long story.
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Old 03-31-2008, 06:20 PM   #6
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Umm, dunno I put 10W-40 in it. I will report back when I run it.

Also, YES, I'm of course putting in a GOOD oil pressure and water temp gauges, I just need to save up a bit, and find another job. I had top quit my last one recently because of my parents... long story.
You can get a mechanical one real cheap just for now.
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