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Username Post: Non detergent or detergent oil        (Topic#358528)
374door 
Poster
Posts: 23

Reg: 04-11-10
10-21-19 05:51 AM - Post#2778386    

What type of oil should I use detergent or non detergent? I have several old chevys ,1937,1951,1954 truck, 1955 truck. Have no idea which kind of oil was in the vehicles when I got them. The 37 had been overhauled. The rest are original. The 51 did have a can of detergent oil in the trunk when I got it.



 


Gene_Schneider 
Ultra Senior Member
Posts: 12273

Loc: Wisconsin..USA
Reg: 09-27-02
10-21-19 06:20 PM - Post#2778466    
    In response to 374door

I have used nothing but 10W-30 detergent oils in my cars.
The first detergent oils were introduced in 1946 however they were not as good as todays oils.
Detergent oil will not clean out your engine but hold new from forming. Do not use a flushing oil as it could dislodge sludge.

ChevGene 1934 Master sedan 1939 Master DeLuxe Town Sedan 1950 Styline DeLuxe Power Glide 1957 Nomad 283 PG 1963 Corvair Convertible


 
Shepherd 
Frequent Contributor
Posts: 1957

Loc: Lake George, NY
Reg: 11-11-15
10-22-19 03:33 AM - Post#2778489    
    In response to Gene_Schneider

Without knowing the internal condition of the engine and if it has no filter, I would use non detergent, just my opinion.



 
2blu52 
"19th Year" Silver Supporting Member
Posts: 19121
2blu52
Age: 86
Loc: Montana
Reg: 03-12-02
10-22-19 04:48 AM - Post#2778494    
    In response to 374door

Unless the 37 has not been run since around 1950 I would not be concerned about using 10/30 in any of those engines. One might consider an early oil change the first time.

"PEACE IS THAT GLORIOUS MOMENT IN HISTORY WHEN EVERY ONE STANDS AROUND RELOADING"

THOMAS JEFFERSON


 
374door 
Poster
Posts: 23

Reg: 04-11-10
10-22-19 02:29 PM - Post#2778523    
    In response to Shepherd

All the vehicles have oil filters. I changed oil in each of them as I acquired them using non detergent however that’s been several years ago. Haven’t logged many miles on any of them but thought they could use another oil change. Thanks for all the inputs



 
pearljam724 
Contributor
Posts: 776
pearljam724
Age: 43
Loc: SW Pennsylvania
Reg: 01-27-14
02-12-20 08:17 PM - Post#2786399    
    In response to 374door

Non Detergent is a big no - no for me. These oils were created before detergent oils came along and that was all that was available. Non detergent oil produces a ton of unburnt carbon all over the place in a very short time frame. The carbon builds up and sticks to valves, piston tops, exhaust ports. It builds a hard crust. Once the carbon build up is extensive. It causes the engine to run hotter than normal. It causes detonation. Resulting in lack of power. It doesn’t take long. To confirm, run it in a motorcycle or lawnmower for 1,000 miles or 50 hours. Take the head off and you will see what I’m talking about. Detergent oils don’t leave this evidence behind. That’s why they are called detergent oils. The oil burns clean and leaves no deposits in comparison. Non detergent creates plug fowling, difficult starting, clogs exhaust ports, clogs mufflers, poor fuel mileage, poor power, scratches cylinder walls, etc When those deposits break away from piston tops due to heat. Creates a dozen problems compared to detergent. Does it work ? Sure, it lubricates. But, it creates severe unburnt carbon conditions in comparison. It’s alarming comparing the internals of an engine or exhaust comparing the 2. This is why, how often you hear modern engines are usually clean as a whistle when they are . dismantled. No other reason for it. As long as oil has been changed often enough.
Non detergent is an extremely cheap oil to use it today. It’s cheap because it has no detergent additives. It’s ok to use in 2 strokes today. Because 2 strokes create a lot of unburnt carbon by nature. But, even 2 strokes have a better option. Using Injector oil in a 2 stroke has detergents. Extreme amounts of unburnt carbon isn’t good for 2 strokes either.
It was extremely common for engines needing flushed with diesel fuel and heads needing removed to scrape piston tops clean up until detergent oils were common. Back in those days that’s all there was. That’s how much unburnt carbon it produced then and still does today. I wouldn’t put it in a cheap lawnmower today. Not when there’s a thousand other choices that have detergents.
Today’s cheapest oils have detergents for the same price. Makes no sense to use anything else. Non detergent is bottom of the barrel quality.
These points apply to any motor. Doesn’t matter if it’s 100 years or 1 year old. The most important thing to use in a cast iron engine block is oil with zinc. Zinc is not recommended for today’s aluminum blocks.
To prove my points. The main reason why detergent oil was created. It was made to clean up our local emissions or local atmospheres. Combined with fuel injection. Why ? Because it burns a lot cleaner with very little emissions in comparison. Emissions is unburnt carbon. Less carbon was an answer that all manufactures, oil companies and the governments had to find answers for. The answers were detergent oil / fuel injection and catalytic converters. It burns 100 times cleaner. Better for your engine, too.
Your engine needs best conditions, for best health too.
Detergent oil is also the main reason why you can commonly log 200k miles on a modern engine..Non Detergent oil is also the main reason why a engine in 1950 was due for a over haul at 100k miles.
A lot of people think you’re suppose to use non detergent oil in old engines. Because that’s what they were so called made to run on. No, that’s all there was ! Today’s detergent oil is 100 times better, for a lot of reasons. Doesn’t matter in what engine.
Sorry, for the book and sorry to disagree with anyone.

http://i420.photobucket.com/albums/pp282/pearljam 7...


Edited by pearljam724 on 02-13-20 12:35 AM. Reason for edit: No reason given.

 
2blu52 
"19th Year" Silver Supporting Member
Posts: 19121
2blu52
Age: 86
Loc: Montana
Reg: 03-12-02
02-13-20 05:46 AM - Post#2786407    
    In response to pearljam724

o prove my points. The main reason why detergent oil was created. It was made to clean up our local emissions or local atmospheres. Combined with fuel injection. Why ? Because it burns a lot cleaner with very little emissions in comparison. Emissions is unburnt carbon. Less carbon was an answer that all manufactures, oil companies and the governments had to find answers for. The answers were detergent oil / fuel injection and catalytic converters. It burns 100 times cleaner. Better for your engine, too.
Acctually:
if memory serves me correctly detergent oil came on the market originally diesel engines and that was back in the early 50s maybe earlier. Around 1951 with the advent of hydraulic valve lifters in automobiles detergent oil was supplied to help treat a lot of problems with clatter. I recall a meeting in 1950 when the firm I worked for changed from Shell products to Union 76, the meeting was held to discuss Royal Triton, 76s answer to the problem. that would have been prior to any concerns for fuel injectors, the environment and other stuff.

"PEACE IS THAT GLORIOUS MOMENT IN HISTORY WHEN EVERY ONE STANDS AROUND RELOADING"

THOMAS JEFFERSON


 
drew1987 
"7th Year" Silver Supporting Member
Posts: 3396
drew1987
Age: 32
Loc: Rochester, New York
Reg: 02-23-14
02-13-20 06:07 AM - Post#2786408    
    In response to 2blu52

Lucas valvoline and brad Penn make oil for antique engines. They are formulated for these old bearings and flat cams. This is a debate about as fierce as republican democrat for many. Guys will tell you zinc doesn’t matter unless you’re always hard on it others will tell you unless you go back in time the engine can’t last because the oils and gas have changed. For $10/qt just go with classic car oil and that’s one less thing to be Concerned about

Shell rotella diesel oil in 10w30 is close to the zinc content and many use it. But again, for the price and peace of mind, antique car oil

Andrew D. Carapella (Drew)

'50 Deluxe 4dr v8 auto

Member:

Rochester Street Rods - Est. 1970
http://www.rochesterstreetrods.org

CrossMembers Car Club - Hebrews 12:2
http://www.crossmemberscc.com


 
rrausch 
"16th Year" Silver Supporting Member
Posts: 14178
rrausch
Loc: L.A, Cal. & St. Louis...
Reg: 04-07-03
02-13-20 07:49 AM - Post#2786415    
    In response to drew1987

I use Rotella in everything. '53 Chevy, '42 Farmall, '95 Dodge/Cummins, '74 Chevy 3/4 ton, and lawn tractors, tillers, buzz saws, etc.

1953 210 Convertible, 261 with dual Carter YF 966S carbs, P.S., Remote Bendix P.B. Booster... shade-tree restoration about done.




 
50hotrod 
"8th Year" Silver Supporting Member
Posts: 1041
50hotrod
Loc: Wisconsin
Reg: 07-25-11
02-13-20 08:18 AM - Post#2786416    
    In response to rrausch

Had excellent results with this oil. I run it in everything.




Attachment: Z1L4qxfo5oz.JPG (7.57 KB) 5 View(s)




1950 CHEVY 2 DOOR 327 TRI POWER FENDERWELL HEADERS HEIDT FRONT SUSPENSION 700R4 TRANS 411 REAR



 


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