View Poll Results: What kind of oil do you run?
biological
12
44.44%
synthetic
13
48.15%
bio / synth blend
2
7.41%
Voters: 27. You may not vote on this poll
What kind of motor oil do you run?
04-14-2003, 08:40 PM
#1
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Car: 1985 Camaro IROC-Z
Engine: 350ci V8
Transmission: 700-R4 auto
What kind of motor oil do you run?
I'm doing my rebuild in a few weeks. I want the longest life and best performance possible. What kind of oil do you guys use?
04-14-2003, 08:55 PM
#2
Valvoline 10w30. i change it about every 2500 miles. if it was a new motor i'd probably go with Mobil 1 synthetic which everyone says is one of the best.
by the way, orlando here also.
by the way, orlando here also.
Last edited by llvll4l2c91350; 04-14-2003 at 09:18 PM.
04-14-2003, 10:49 PM
#6
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Car: 1989 Trans Am
Engine: 355 HSR
Transmission: Pro-Built 700r4 w/ 3400 converter
Axle/Gears: 10 bolt w/ 3.42 gears
Originally posted by Marshall89ws6
run regular oil during break in and then switch over to synthetic.
run regular oil during break in and then switch over to synthetic.
04-15-2003, 01:53 PM
#7
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I just switched to synthetic in my 140K 305. So far for the last maybe 400 miles it hasn't started leaking that I've noticed. I'm gonna keep an eye on it though. It still smokes for the first 3 seconds I start it up, cause the valve seals leak a bit but it doesn't seem worse than before.
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04-15-2003, 03:42 PM
#8
Supreme Member
I was running synthetic only on my motor. Ive concluded it wasn't breaking in with synthetic. 4000 miles and it still burns alittle oil and the oil gets nasty quick. Im gonna switch to regular castrol GTX for a few changes and see if it stops. If it does im switching back to mobile 1 synthetic.
04-15-2003, 03:45 PM
#9
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Car: 1989 Trans Am
Engine: 355 HSR
Transmission: Pro-Built 700r4 w/ 3400 converter
Axle/Gears: 10 bolt w/ 3.42 gears
you have to run regular oil for a while when you first break it in or the ring won't seat... that may be whats causing yours to smoke
04-15-2003, 03:48 PM
#10
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Car: 2005 BMW 545i
Engine: 4.4L N62B44
Transmission: 6spd auto
Axle/Gears: Rotating
synthetic here when I have the money
and after I get my turbo motor in all the time
prolly going to run castrol syntech
what are you guys opinion on castrol sytec vs mobil 1?
and after I get my turbo motor in all the time
prolly going to run castrol syntech
what are you guys opinion on castrol sytec vs mobil 1?
04-15-2003, 06:12 PM
#12
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Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Another vote for Valvoline 10w30... with 248,000 miles on my original motor, I'm not moving to synthetic! I'd have so many leaks, it'd be like a watering can. 
04-15-2003, 06:20 PM
#13
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Car: 91 z28
Engine: 350
Transmission: 700r4
Axle/Gears: 3.73
I'm running castrol 5w30 for the first 3500 miles. I was going to switch to castrol syntech after that. What do you guys think?
BTW- I change my oil very often. It is not a daily driver. I might put 2500-3000 miles on it this year. The motor went in last march and I have just over 2200 miles on it. I changed the oil 8 times.
BTW- I change my oil very often. It is not a daily driver. I might put 2500-3000 miles on it this year. The motor went in last march and I have just over 2200 miles on it. I changed the oil 8 times.
Last edited by jeffsbluez; 04-15-2003 at 06:23 PM.
04-15-2003, 08:15 PM
#14
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Car: 82 Z-28
Engine: 383 TPI
Transmission: 700R4
Valvoline 10w30 here too every 3K miles. (Abt 95% is highway miles.)
IMHO, syn is only needed where oil temps stay really high, like with a turbo.
IMHO, syn is only needed where oil temps stay really high, like with a turbo.
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