oil change

pfman · August 9th, 2007, 08:59 PM

I am about to change the oil in my K code 64 1/2 mustang, what oil would you suggest I use?

69fastback · August 9th, 2007, 09:35 PM

any major brand is fine. There's no need to run a synthetic in the older engines, and I always run SAE30 in the older engines as well.

Horseshoeing · August 10th, 2007, 07:13 AM

Why do you run a 30w and not a 10w-30?

Grimmy · August 12th, 2007, 02:01 PM

Personally, I only use synth in my baby.

Spiderz · August 13th, 2007, 05:20 AM

I use that Valvoline high mileage for mine because my 351 came out of an old LTD and I know it had a few miles on it. It seems to be running fine. They say it took over to years to develop and it can improve gas mileage by 2 miles per gallon. In my car I don't know if thats true but like I said I don't have any problems with it.

69fastback · August 13th, 2007, 10:25 AM

Originally Posted by Horseshoeing

Why do you run a 30w and not a 10w-30?

I've had two different engine builders tell me not to run multiviscosity oils in them because they weren't designed for it. There was no such thing as multiviscosity then. I take their word for it because I figure they know better than me. They both told me it can cause your engine to burn oil.

Grimmy · August 13th, 2007, 07:07 PM

huh, I never thought about that.

Horseshoeing · August 14th, 2007, 07:27 AM

I would like to know how. They have all the same parts.

Spiderz · August 14th, 2007, 12:28 PM

Isn't oil's job to reduce friction on engine parts, in turn reducing wear on them making them last longer. I would like to think that the newer oils have more technology put into making them and do a better job of this.

Only thing I ever heard about oil weights is you should never go down a grade but you can go up. Ex : you can go from 30w to 40w but should not go from 40w to 30w.

Horseshoeing · August 16th, 2007, 07:00 AM

I was thinking that the 302 in 1968 was just about the same as the one in 1980. I think its safe to use 10W-40 in you stang.

460brevill · August 16th, 2007, 04:16 PM

i use 30 wght in my mower,and 10w40 in my mustang.

Kobra Killer · August 17th, 2007, 10:59 AM

When single weight oil heats up it thins out and doesn't lubricate as well. During a hot summer they used to use 30-40w and in winter 10-20w. Multi-viscosity oil has an additive that prevents this. That way you can use the same oil winter & summer. If you drive your car hard most of the time, or live where it gets very hot +100*, use 10w40. If not, use 10w30.

August 9th, 2007, 08:59 PM	#1
pfman Newbie Join Date: Jul 2007 Location: San Ramon Posts: 3 iTrader: 0 reviews	oil change I am about to change the oil in my K code 64 1/2 mustang, what oil would you suggest I use?

August 9th, 2007, 09:35 PM	#2
69fastback Premium Member 1969 Mustang Mach 1 7.324@94.61 N/A Join Date: Aug 2006 Location: Oklahoma jackass, get to driving Posts: 4,554 iTrader: 0 reviews	any major brand is fine. There's no need to run a synthetic in the older engines, and I always run SAE30 in the older engines as well. __________________ ProSystems Aeromotive TFS MSD Bullet Induction Solutions PA Moser

August 10th, 2007, 07:13 AM	#3
Horseshoeing Classic Moderator Join Date: Aug 2005 Location: GA Posts: 4,177 iTrader: 0 reviews	Why do you run a 30w and not a 10w-30? __________________ Classic Mustangs are the best! Get one.

August 13th, 2007, 05:20 AM	#5
Spiderz Regular 1965 Coupe, 351w Join Date: Apr 2007 Location: Sedalia Missouri Posts: 176 iTrader: 0 reviews	I use that Valvoline high mileage for mine because my 351 came out of an old LTD and I know it had a few miles on it. It seems to be running fine. They say it took over to years to develop and it can improve gas mileage by 2 miles per gallon. In my car I don't know if thats true but like I said I don't have any problems with it. __________________

August 14th, 2007, 07:27 AM	#8
Horseshoeing Classic Moderator Join Date: Aug 2005 Location: GA Posts: 4,177 iTrader: 0 reviews	I would like to know how. They have all the same parts. __________________ Classic Mustangs are the best! Get one.

August 14th, 2007, 12:28 PM	#9
Spiderz Regular 1965 Coupe, 351w Join Date: Apr 2007 Location: Sedalia Missouri Posts: 176 iTrader: 0 reviews	Isn't oil's job to reduce friction on engine parts, in turn reducing wear on them making them last longer. I would like to think that the newer oils have more technology put into making them and do a better job of this. Only thing I ever heard about oil weights is you should never go down a grade but you can go up. Ex : you can go from 30w to 40w but should not go from 40w to 30w. __________________

August 16th, 2007, 07:00 AM	#10
Horseshoeing Classic Moderator Join Date: Aug 2005 Location: GA Posts: 4,177 iTrader: 0 reviews	I was thinking that the 302 in 1968 was just about the same as the one in 1980. I think its safe to use 10W-40 in you stang. __________________ Classic Mustangs are the best! Get one.

August 16th, 2007, 04:16 PM	#11
460brevill Hardcore Enthusiast Join Date: Apr 2007 Location: Farmville VA Posts: 1,327 iTrader: 0 reviews	i use 30 wght in my mower,and 10w40 in my mustang. __________________ i sixing 200 six with 300 hp.

August 17th, 2007, 10:59 AM	#12
Kobra Killer Regular Join Date: Sep 2006 Posts: 123 iTrader: 0 reviews	When single weight oil heats up it thins out and doesn't lubricate as well. During a hot summer they used to use 30-40w and in winter 10-20w. Multi-viscosity oil has an additive that prevents this. That way you can use the same oil winter & summer. If you drive your car hard most of the time, or live where it gets very hot +100*, use 10w40. If not, use 10w30. __________________ Clevelands Rule https://home.comcast.net/~jimmiephil...er_project.htm

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