Valve Covers
C5TZ-6758-B TUBE
377393-S GROMMET
Grommet size: 31/32 ID x 1 7/16 OD
Air Cleaner to Breather hose california only (smog only) 1966 Still unsure of this for 1965. Nothing to indicate the 1965 California has this.
My 1965 352 with Breather Tube
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Right valve cover: Rubber grommet twists into hole, smog valve fits into grommet, hose routes from valve to nipple on carb spacer plate.
Left valve cover: Oil cap has a nipple made as part of it, hose routes from nipple to elbow on air cleaner.
Cap was available in chrome (with/without the engine "dress-up" kit) or painted black.
The right valve cover did not have the twist in hole style grommet with or without pcv
Breather cap with nipple smog only.
There was a right and left valve cover
Do you know what the emissions laws were for all 50 states back then? I don't either.
Have you ever lived in CA, and/or seen trucks of this era that were sold new here? Are you old enough to remember seeing these trucks when they were brand new?
Show me any documentation of any kind a 1965 352 F100-f350 had smog
Show me a pic of your truck with smog.
Do you know what the emissions laws were for all 50 states back then? I don't either. as far as I know there were no emissions laws for trucks back in 1965-66 non california.. Possible PCV valve only but in 1966
Have you ever lived in CA, and/or seen trucks of this era that were sold new here? Are you old enough to remember seeing these trucks when they were brand new?
I just proved to you not all 1965 F100/250's with a 352 had a pcv system.
Its just general knowledge that not all 1966 352's had a breather hose from breather to air cleaner.
Only state I am aware of that had smog in 1966 is California. Until someone else can prove different that is what I go by.
To this day Arizona is a pretty tight smog state yet no smog equip needed for 1966 and earlier. That includes a PCV valve.
So yes smog was avail on a 1966 F100-f250 with a 352 but unless it was ordered special in the other 49 states it would not have it.
Show me any documentation a 65 352 in a truck had smog? I think your memory is slipping . . .
Ask ANY other forum member to show you what is thought to be a original engine in a 65-66 truck that shows signs of any smog equip. That means it would have to have the holes in head... Just is not happening. I have owned 8 65-66 trucks and NONE of them had any sign of smog including a 300 6 cyl. Kind of like all visors are gray? You have the BOOKS take them out and show me any reference to a 1965 352 truck that has smog
You jump all over anyone who even calls a flareside a stepside that is more well known yet you are spreading continuous misinformation. I will say you do provide a great service here for most part and know the parts system well but if its not in the books it does not exist type attitude.
I just proved to you not all 1965 F100/250's with a 352 had a pcv system.
I never said they all did, just said PCV mandatory beginning in 1961 in sold new in CA vehicles.
Its just general knowledge that not all 1966 352's had a breather hose from breather to air cleaner.
Only state I am aware of that had smog in 1966 is California. Until someone else can prove different that is what I go by.
To this day Arizona is a pretty tight smog state yet no smog equip needed for 1966 and earlier. That includes a PCV valve.
So yes smog was avail on a 1966 F100-f250 with a 352 but unless it was ordered special in the other 49 states it would not have it.
Do you know the emissions laws for all the other 49 states between 1961/65? Probably not.
Show me any documentation a 65 352 in a truck had smog? I think your memory is slipping . . .
Repeat: PCV mandatory in sold new in CA vehicles beginning model year 1961.
Look in the 1957/63 & 1964/72 truck and/or 1960/64 & 1965/72 Ford car catalogs under basic number 6A666 = smog valve. If smog valves didn't exist prior to 1966, why are they listed?
You belittle me every chance you get, but the facts are: You were never a Ford partsman and so...have no Ford parts experience.
Right valve cover: Rubber grommet twists into hole, smog valve fits into grommet, hose routes from valve to nipple on carb spacer plate.
Left valve cover: Oil cap has a nipple made as part of it, hose routes from nipple to elbow on air cleaner.
Cap was available in chrome (with/without the engine "dress-up" kit) or painted black.
OP asked about PCV routing. If a 1965 F100/350 352 came with PCV, it didn't have a road draft tube in the right valve cover, because this is where the smog valve is installed.
Road draft tube listed (6758) in the parts catalog for 1965 352, but it's not listed for 1966 or later.
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Stripper Escape S comes with 2.5L, Escape SE comes with 1.8L Eco as standard equipment, 2.0L Eco optional.
I didn't want a stripper, didn't want the upscale Titanium model either due to moon roof which cuts down on headroom.
5 year powertrain warranty: I doubt I'll have it 5 or even 3 years. I buy something new every one or two years.
F150 went away after 21 months with 7,100 miles on the clock, because it had become ergonomically undesireable.
btw: Ever see a 1966 F100 240/300/352 with a smog pump (basic number 9A486)? Mandatory in sold new CA F100's.
Repeat: PCV mandatory in sold new in CA vehicles beginning model year 1961.
Look in the 1957/63 & 1964/72 truck and/or 1960/64 & 1965/72 Ford car catalogs under basic number 6A666 = smog valve. If smog valves didn't exist prior to 1966, why are they listed?
You belittle me every chance you get, but the facts are: You were never a Ford partsman and so...have no Ford parts experience.
I am not trying to belittle you. Just correcting MISINFORMATION that you are posting.
OP truck DID NOT have the breather hose from breather to air cleaner in left valve cover unless it was Calfornia. Correct name for what you call a smog valve is a PCV. I never said PCV's did not exist and actually said they had them in 1966 on the 352.
I also said not all 1965 trucks had a PCV.
What does anyone having parts experience have to do with anything? You do not know if I worked ford parts or not and as a matter of fact did. I also worked as a Ford tech
Next you will be spouting off your IQ and how many books you read.
To clarify what I meant when I said SMOG that means a pump. Much different than having just a PCV valve. Smog systems were avail or possible mandatory in california in 1966 Trucks. I know cars had them in 1966 (california)
Example of what happens if ND does not agree. https://www.ford-trucks.com/forums/1...er-f100-2.html
Im the 4th owner, the first two owners had the truck for over 45 years.
Since my chrome covers only have 2 holes, I bought a pcv valve and a cap that vents to atmosphere.
There is a tag on the lower left of my block. It says remanufactured by Ford. There are some numbers on the tag, but I cant read them.
Would this engine have been installed by a Ford dealership?
If it is remanufactured, will it have been bored out to a 360?
Im the 4th owner, the first two owners had the truck for over 45 years.
Since my chrome covers only have 2 holes, I bought a pcv valve and a cap that vents to atmosphere.
There is a tag on the lower left of my block. It says remanufactured by Ford. There are some numbers on the tag, but I cant read them.
Would this engine have been installed by a Ford dealership?
If it is remanufactured, will it have been bored out to a 360?

FOr a Ford reman it depends on how many times it was rebuilt or what cylinders looked like. They would normally go .020 or .030. Possible the reman was done at a dealer but also possible anyone could have purchased a reman from ford and installed it. No way to know unless you had paperwork. Same with grinding crank. they would go the least amt possible to next size brg.
Again, It could have a reman 390 or other FE you would not know unless you check the stroke to give a better clue. Ford had a max size they would bore, years ago I did see a .090 but it was not a ford reman. it was on a 390 I had in my Boss 302 Mustang.
Ford Trucks for Ford Truck Enthusiasts
Im guessing that it is not the orginial engine.
Based on the appearence of the engine I would guess it has been in the truck for a long time.
Owner number one purchased the truck then passed a couple years later.
Owner number two had the truck for about 40 years.
Owner number three only owned her for about two years.
Ive had her since March.
I like the look of the black and gold, although not correct, I may go that route on my 66.
Im wondering if I can modify my oil bath air cleaner to accept a paper filter. I like the vintage look, but do not like the oil bath, its to messy.
Im guessing that it is not the orginial engine.
Based on the appearence of the engine I would guess it has been in the truck for a long time.
Owner number one purchased the truck then passed a couple years later.
Owner number two had the truck for about 40 years.
Owner number three only owned her for about two years.
Ive had her since March.
I like the look of the black and gold, although not correct, I may go that route on my 66.
Im wondering if I can modify my oil bath air cleaner to accept a paper filter. I like the vintage look, but do not like the oil bath, its to messy.
If you want to use the oil bath with filter keep the lower and take a normal aftermarket base (holley type) then add a tall filter proper diameter so you can use stock lid. Air cleaners were black.
http://www.flickr.com/photos/vic-63-65/6905084752/http://www.flickr.com/photos/vic-63-65/6905084752/ by http://www.flickr.com/people/vic-63-65/, on Flickr
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Thats all there is to it paint it up and use. Paper no more fus or mus. Only paper and easy to change. I bet it even breaths better. When installed keeps the original stock look just add a new decal.
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Thanks John necessity is the mother of invention. Plus the filter inside the cleaner was damaged due to a carb fire at one time or another before I got it. Im trying to keep the truck looking as stock as possible with slight restomods as needed.
The valve covers look like a matched set, both have the same patina and both have the same tabs for the plug wire holder.
The breather on the cover with the pcv is a push in and the other cover has the tabs where you push in and twist.
There is nothing special about this truck, its just one of many.











