View Poll Results: What oil do you use in your stock power big block ??
25-40
50
8.85%
15-40
28
4.96%
20-50
87
15.40%
straight 40
90
15.93%
straight 30
19
3.36%
syntec
9
1.59%
mobil 1
183
32.39%
amsoil synthetic
45
7.96%
R.P.
21
3.72%
OTHER
33
5.84%
Voters: 565. You may not vote on this poll

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POLL: which oil do you use ?

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Old 07-28-2004, 10:31 PM
  #61
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Default Re: POLL: which oil do you use ?

Regardless of what engine, lots of benefits seen from switching to Alisyn drive oil. I gained 2 mph on a V6 boat, 454 mag nova gained 4mph.
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Old 08-05-2004, 11:09 AM
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Default Re: POLL: which oil do you use ?

My 15-40 Diesel oil experiment has ended,, and I will not be using it any longer in my 496.. going to stick with Castrol syntec synthetic blend 20-50.. After a VERY hard hour long run at lake champlain I found my oil pressure's at idle dropped quite significantly,, seems the lighter weight cannot keep the pressure up when it get hot..
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Old 08-05-2004, 05:16 PM
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Arrow Re: POLL: which oil do you use ?

Quote:
Originally Posted by Chris288
My 15-40 Diesel oil experiment has ended,, and I will not be using it any longer in my 496.. going to stick with Castrol syntec synthetic blend 20-50.. After a VERY hard hour long run at lake champlain I found my oil pressure's at idle dropped quite significantly,, seems the lighter weight cannot keep the pressure up when it get hot..
DOn't quit just yet. Try Mobil 20W-50 V-twin synthetic. Liquid gold as far as pressures and protection go.
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Old 08-06-2004, 06:26 AM
  #64
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Default Re: POLL: which oil do you use ?

At the TMP shop they use 20-50, and tell all their customers to change every 10 hours. I have a quick oil change set up on the motors so it can be done in 30 minutes from filter to refill, plus it keeps my 1 year warranty in effect, to me oil is cheap insurance. Jeff
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Old 08-06-2004, 08:17 AM
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Default Re: POLL: which oil do you use ?

Just giving up on 15-40,,, it's not enough oil for our motors, after long runs, oil pressure suffers.

Wondering if mobil 1 15-50 will do the same ??
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Old 08-06-2004, 11:26 AM
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Default Re: POLL: which oil do you use ?

Quote:
Originally Posted by Chris288
Just giving up on 15-40,,, it's not enough oil for our motors, after long runs, oil pressure suffers.

Wondering if mobil 1 15-50 will do the same ??
I wonder if I could run the 20-50. After long hard runs my temp after the cooler is barely 220. If I take it easy, cruising 3000 rpm I barely see 140.
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Old 08-06-2004, 01:22 PM
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Default Re: POLL: which oil do you use ?

ALISYN. its around 10$ a quart. On just drive oil (Alisyn Type 1, compared to merc racing) I gained 2mph on radar, I also had more gas than my previous best time pass.
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Old 08-06-2004, 01:50 PM
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Default Re: POLL: which oil do you use ?

Found a lot of information about Alisyn HERE: http://www.aerospacelubricants.com/c...listing=Marine

Tommy, wondering which gear lube you used in your outdrive ??..

Last edited by Chris288; 08-06-2004 at 01:59 PM.
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Old 08-06-2004, 08:12 PM
  #69
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Default Re: POLL: which oil do you use ?

I use Mercury Marine oil & filters.
 
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Old 08-06-2004, 10:42 PM
  #70
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Default Re: POLL: which oil do you use ?

Didnt mean to post twice with the same information.

I think it is pro gear. Type 1 I know for sure.
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