I’m not sure about the 395558 2 casing being 1968-72. The 350 I have is a 395558 2 with 36M on the vin pad and built on the 303 day. Had #8 heads sadly
I have same thing with a 8 stamp like the number 6 showed in video I need help figuring it out than on top of the motor has 411990 or something close to it
I built 8 '77 cutlasses with all different engines... from 425,455,350R,350X, and you name it... even the Pontiac motors from 455 to the 301 turbo in an 80's model... love it man! Keep it coming!!!!
Great info but pre 70 were the numbers and letters you want...keep up the good work... Myself I have. 1967 330 #4 heads almost factory putting out over 400 up as well as a 1966 425 putting out 520+ HP. The 330 is a 4-speed 4:11:1 Posi with Hurst ram-rod shifter the 425 is a 400 turbo with switch pitch converter I found a small block 2-speed converter and sealed it in and mounted the switch in my shifter... Works great with 3400 stalling high stall low stall is 2200 rpm and 4:56:1 Posi 328 duration camshaft edelbrock Yorker intake and the heads fully done blocked heat / balancer under carb.sll the Mondeo tricks to both motors... Small block in '64 F-85 Deluxe 2-door post and big block in '67 Cutlass supreme 2-door hardtop...
I just picked up a complete Olds 425 and turbo 400 trans, yesterday. First time owning Oldsmobile anything. Supposedly it's off a 1967 Toronado. Air cleaner says Super Rocket.
Finally got around to looking at your videos, its been busy, anyways thank you for the in dept explanation. I'll take a look at the engine tomorrow and tell you what it it. From what I learned so far is that it is a 1972 block with G heads.
Redline cool glad to see you came to the party. Ok so your casting on top of the block should read 396021 F or FA. Single F is 1970-72 and fa indicates a 72-76 casting. As for the heads, a G indicates 1971 and Ga would be a 72. There isn't a difference between the 2 and they are both 80cc combustion chambers.
I believe there's a kit you can buy to do it yourself. I've watched a few videos on here on how to do it. Looks pretty easy. But yeah them 330 heads have the smallest chamber. Good for raising compression.
You got that right #4 Heads in the '67 330 with forged steel crankshaft.. I did a lot of work on prepping my block and heads W-30 automatic grind camshaft oiling system... Getting easy 400+ H.P. with 4-speed and 3:90:1 Posi...have '79 heads & Connection Rods heaver I beam all sanded smooth and shot peened balanced aline hone squared Edelbrock Intake... The center exhaust ports have the dip in them build that dip up so it is flush and seperate the two center exhaust ports and easy 7 h.p. gains the other side that goes under the intake block that off and reshape the two center exhaust bowels and that there is another easy 50 h.p. then you can port & polish the rest of done properly you can get 100 h.p. from a set of olds heads with the marine W-30 heads the center exhaust are almost done it is just the one one each side that Gord under the intake that's the reason they are wanted and so rare the " F " Marine/W-30 heads...
Very good video! I was wondering is my heads were right for my 71 they said 7 and I thought that meant 70 now I know there right 🤘 thanks buddy it’s hard finding info on olds sometimes
Thanks for the post…, was trying to google for this very info with no success. Have the opportunity to purchase a 70 Rallye 350 F85 Club and wanted to see if the engine was original. Not sure if that would keep me from buying it though. It’s a pretty cool car!
i’ve been searching forums and everywhere on the internet about my 350, the block and heads are 3A, and it says that that means it’s from 79’ but the code under the heads says it’s a 77, and i also searched the code above the timing shelf “554964-3A” and there seems to be no information i can find about it, i’ve searched *EVERYWHERE* i don’t know if the main webs are windowed or if it’s a smog motor or if it can handle high rpms, the person who i got it from put it in an 84’ c10 that i bought and they claim to not know the car it came out of. any advice or help you can give me???
My buddy was running a stock 350 Olds in his stock car, came in 2nd place. cast iron heads, cast iron intake, 4 barrel Rochester carburetor and factory exhaust manifolds. We ran the casting numbers turns out it was a 77 Olds 350.
Confusing? If you check that OldsFAQ website it shows block number 395558 as ID 5 and for '73/'74 350s? It also mentions an F number on the back of the block, behind the flex-plate? This indicates the nickel content of the block. Any thoughts guys? I have a '78 Cadillac Seville with the Olds 350 in it. The list describes my motor as ID 3B and block casting 557752. This is correct. Much confusion with these motors, they left Olds as short motors and without the VIN derivative of unit number being stamped on them? The VIN derivative was stamped on by Cadillac after they'd completed and test run them? My car in storage so I can't get head numbers. Do any of you out there know about these Olds/Cadillac 350s?
557752-3B the 3 is a big three that's the number on the front by the water pump I cant make out the one on the side I took a pic off it 7738149820 hit me up and I'll send the pics of it
How do you break down the VIN code on the block without having the car? I just have the engine and transmission for a project car I'm building but I'd like to know what it came out of. Thanks for the video I now know I have a 1970 350 built at the M plant I'm guessing in Michigan?? With the #6 heads.
i have no clue how to decode a vehicle vin and to be honest, i dont even know if you can decode the second half, i mean the first half on the fire wall will tell you cutlass and the date soforth but the last set of digits i think is just a vehicle number. and yes M is Michigan
If you can find a '67 Cutlass with 330 & # 4 Heads that is the motor to build up... I got 400+ horse then if you can find '79 olds 403 for connecting rods & heads rods are heaver I beam and heads you want the valve rotators and you will need to install hardened valve seats becouse of no lead gas anymore I mentioned a few tricks to do with someone above you on the list I replied to about building them..
can someone tell me what 557757 -3B on the front. side pad number is 3L382742 or 31382742 not sure if L or 1 having trouble its was in an Australian HQ Holden Monaro LS coupe its got 3A heads 7482017 on the oil fill tube. holdens never come with olds motors just holden & chev.
Numbers are small block ...Letters are big block the best letters in order best being #1 & so on.. #1. " F ". W-30 Marine Heads #2. " C ". Heads #3. " B " Heads But don't get scammed Check the letter F some people are selling letter E heads and grinding the bottom off the E to make it look like F heads the way to tell is pull exhaust or intake manifolds and look at the exhaust ports the center exhaust ports on the exhaust side should be all flush no indent between the two center exhaust ports.... And for the intake side where the exhaust goes under the carburetor that square passage should only go to the one cylinder if it goes to both cylinders it is not a real "F " /Marine W-30 heads they are very rare to find but the C-B heads are a lot better than the aluminum ones I think with what I can do with them... For the small block the number 4 is the best the 5 that is the W-31 Head. But the number 4 needs hardened valve seats and 79 403 small block valve rotators installed. When you that there grab the connecting rods from the 403 they have a heavier I beam...the '67. 330 c.i. also has a forged steel crankshaft...
Keep those heads and rods if it a 403 those are parts you want the 403 connecting rods are stronger that the others and will bolt in and the heads you will need the valve rotators to install in older heads with smaller combustion chambers. Since the old heads needed lead gas to lubricate them...
Did you ever cc the heads before you took the valves out? The #6 heads are supposed to be 64cc but I've heard people say there actually more like 68cc.
interesting, I haven't heard that before, I'll have to look into that theory. honestly I'm not sure how to check the ccs, I just went by the book.apparently, 330 heads are supposedly 60 cc, I wonder if they are around 64 then. do you know how to check them manually?
@@jonathanduke8295 opps forgot to get back to you. To be honest I don't know how much they are worth. Shipping would be the bitch, what state do you live in? How's $200 sound?
I don't think you should throw em in the scrap pile. They haven't manufactured any Oldsmobile parts for a long long time. I would post them on offer up or Ebay. Somebody out there would probably like to have even the low compression heads. You know someone might just need 1 because maybe thiers is damaged or something? If I have usable parts or a good short block or a transmission or something. I usually post them on offer up. Somebody out there wants it. About a month ago I sold a 180K mile NVG3500 out of a 97 S10 for $100. Just sold the short block 4.3L out of it for $100. Sold the distributor for $20. Trust me,somebody out there wants it. I was gonna sell the seats too, but a cat decided to have kittens on the passenger seat. It ain't even my cat.
Totally useless all I can get from this is the first two numbers are 3 and 3 which means where it was made and what year which would be 1973 I would like to know what the cubic inches is.
yes, c heads are the best along with E heads. c heads are 1967-69 and E heads are 1970. however, lettered heads are big block heads, as where numbered heads are for small blocks. on another note, the best of the best are F,K,H,D heads, those are 6000 dollar w30 heads that flow about as good as a c or an e, your just paying for the casting number lol. those w30 heads are easy to remember because of what they spell LOL
@@UsefulEntertainment i just bought a 1975 delta 88 convertible with a 350 has the 8 heads junk but it runs good 94000 miles 4 barrel was changing the plugs it had the delco 7 plugs in it the gap was 0.45 i bought cheap autolite 847 plugs i gaped them at 0.60 because i had no idea what to gap them to because i got 0.80 which i thought was too big what do you suggest gapping plugs on that? also it runs good but i checked compression one cylinder had 80 psi another has 120 another had 180 it was all over the place
![เป็นไปได้ไหม - WanMai [Performance Video]](http://i.ytimg.com/vi/Eh5hItD4Mr0/mqdefault.jpg)
casting # 395558 2 actually means 68-72. sorry about that.
It's all good 👍 thank you for trying 😊 they are number 7s
I’m not sure about the 395558 2 casing being 1968-72. The 350 I have is a 395558 2 with 36M on the vin pad and built on the 303 day. Had #8 heads sadly
Hey out of which of the big there motors u think would be best.. an oldsmobile engine a Pontiac engine or Buick?
I have same thing with a 8 stamp like the number 6 showed in video I need help figuring it out than on top of the motor has 411990 or something close to it
I have a 73 cutlass and it has the 395558 2 on block
I built 8 '77 cutlasses with all different engines... from 425,455,350R,350X, and you name it... even the Pontiac motors from 455 to the 301 turbo in an 80's model... love it man! Keep it coming!!!!
Great info but pre 70 were the numbers and letters you want...keep up the good work... Myself I have. 1967 330 #4 heads almost factory putting out over 400 up as well as a 1966 425 putting out 520+ HP. The 330 is a 4-speed 4:11:1 Posi with Hurst ram-rod shifter the 425 is a 400 turbo with switch pitch converter I found a small block 2-speed converter and sealed it in and mounted the switch in my shifter... Works great with 3400 stalling high stall low stall is 2200 rpm and 4:56:1 Posi 328 duration camshaft edelbrock Yorker intake and the heads fully done blocked heat / balancer under carb.sll the Mondeo tricks to both motors... Small block in '64 F-85 Deluxe 2-door post and big block in '67 Cutlass supreme 2-door hardtop...
I just picked up a complete Olds 425 and turbo 400 trans, yesterday. First time owning Oldsmobile anything. Supposedly it's off a 1967 Toronado. Air cleaner says Super Rocket.
Finally got around to looking at your videos, its been busy, anyways thank you for the in dept explanation. I'll take a look at the engine tomorrow and tell you what it it. From what I learned so far is that it is a 1972 block with G heads.
Redline cool glad to see you came to the party. Ok so your casting on top of the block should read 396021 F or FA. Single F is 1970-72 and fa indicates a 72-76 casting. As for the heads, a G indicates 1971 and Ga would be a 72. There isn't a difference between the 2 and they are both 80cc combustion chambers.
I believe there's a kit you can buy to do it yourself. I've watched a few videos on here on how to do it. Looks pretty easy. But yeah them 330 heads have the smallest chamber. Good for raising compression.
You got that right #4 Heads in the '67 330 with forged steel crankshaft..
I did a lot of work on prepping my block and heads W-30 automatic grind camshaft oiling system... Getting easy 400+ H.P. with 4-speed and 3:90:1 Posi...have '79 heads & Connection Rods heaver I beam all sanded smooth and shot peened balanced aline hone squared Edelbrock Intake...
The center exhaust ports have the dip in them build that dip up so it is flush and seperate the two center exhaust ports and easy 7 h.p. gains the other side that goes under the intake block that off and reshape the two center exhaust bowels and that there is another easy 50 h.p. then you can port & polish the rest of done properly you can get 100 h.p. from a set of olds heads with the marine W-30 heads the center exhaust are almost done it is just the one one each side that Gord under the intake that's the reason they are wanted and so rare the " F " Marine/W-30 heads...
Very good video! I was wondering is my heads were right for my 71 they said 7 and I thought that meant 70 now I know there right 🤘 thanks buddy it’s hard finding info on olds sometimes
🤘🤘🤘
Thanks for the post…, was trying to google for this very info with no success. Have the opportunity to purchase a 70 Rallye 350 F85 Club and wanted to see if the engine was original. Not sure if that would keep me from buying it though. It’s a pretty cool car!
Lol id buy it anyway.
i’ve been searching forums and everywhere on the internet about my 350, the block and heads are 3A, and it says that that means it’s from 79’ but the code under the heads says it’s a 77, and i also searched the code above the timing shelf “554964-3A” and there seems to be no information i can find about it, i’ve searched *EVERYWHERE* i don’t know if the main webs are windowed or if it’s a smog motor or if it can handle high rpms, the person who i got it from put it in an 84’ c10 that i bought and they claim to not know the car it came out of. any advice or help you can give me???
My buddy was running a stock 350 Olds in his stock car, came in 2nd place. cast iron heads, cast iron intake, 4 barrel Rochester carburetor and factory exhaust manifolds. We ran the casting numbers turns out it was a 77 Olds 350.
So what aboit bb heads w lettets. I have aset of "k" heads on mine and would live to know details bout em.
The k heads are worth a pile of cash , f,k,h,d heads are w30 heads, look them up and see what you got. Good luck man
Very informative... thanks
How about the F1-F8 casting in the bell housing areas ?
Confusing? If you check that OldsFAQ website it shows block number 395558 as ID 5 and for '73/'74 350s? It also mentions an F number on the back of the block, behind the flex-plate? This indicates the nickel content of the block. Any thoughts guys?
I have a '78 Cadillac Seville with the Olds 350 in it. The list describes my motor as ID 3B and block casting 557752. This is correct.
Much confusion with these motors, they left Olds as short motors and without the VIN derivative of unit number being stamped on them? The VIN derivative was stamped on by Cadillac after they'd completed and test run them?
My car in storage so I can't get head numbers. Do any of you out there know about these Olds/Cadillac 350s?
I need help figuring out what engine is in my 70 cutlass it was painted black. But I can see blue under some of the black
What casting number are the cylinder heads?
557752-3B the 3 is a big three that's the number on the front by the water pump I cant make out the one on the side I took a pic off it 7738149820 hit me up and I'll send the pics of it
There is a video on my page of the car
I gotchu, just give me a little bit and il hit you up.
How do you break down the VIN code on the block without having the car? I just have the engine and transmission for a project car I'm building but I'd like to know what it came out of. Thanks for the video I now know I have a 1970 350 built at the M plant I'm guessing in Michigan?? With the #6 heads.
i have no clue how to decode a vehicle vin and to be honest, i dont even know if you can decode the second half, i mean the first half on the fire wall will tell you cutlass and the date soforth but the last set of digits i think is just a vehicle number. and yes M is Michigan
If you can find a '67 Cutlass with 330 & # 4 Heads that is the motor to build up... I got 400+ horse then if you can find '79 olds 403 for connecting rods & heads rods are heaver I beam and heads you want the valve rotators and you will need to install hardened valve seats becouse of no lead gas anymore I mentioned a few tricks to do with someone above you on the list I replied to about building them..
@@peterrivney552 I already found out about my engine, turned out to be a 1970 350 from a Cutlass.
Any idea how to ID a 455 camshaft? Thanks Mine has a red stripe
That I do not know, I'd check around the Oldsmobile pages on Facebook
Thanks that was good info 👍.
can someone tell me what 557757 -3B on the front. side pad number is 3L382742 or 31382742 not sure if L or 1 having trouble its was in an Australian HQ Holden Monaro LS coupe its got 3A heads 7482017 on the oil fill tube. holdens never come with olds motors just holden & chev.
I just bought an Oldsmobile 455 engine 396021FA how can I find out more about this engine?
On my 72 Olds 350, there is a 4 digit number (4868) stamped on the starter mount pad. Any ideas what this represents?
That I have no clue.
Very cool
Thanks man, that's the engine in dads wagon. I could've mentioned that in the video but it was so long ago I can't remember.
I have a 1976 cutlass with a blue 350 rocket.my heads say 3A.what does that mean?
Thank you
So i have number 8 heads. But im just double checking. If i have a number on them its a 350 rocket correct. Its not a 455?
yes, the 400, 425 and 455 are much taller engines and would have a letter instead of a number
@@UsefulEntertainment thank you very much. I had no tag on my 75 delta 88 so i had no idea what motor was in it
@@crickettsdodge31 good, glad i could help
Numbers are small block ...Letters are big block the best letters in order best being #1 & so on..
#1. " F ". W-30 Marine Heads
#2. " C ". Heads
#3. " B " Heads
But don't get scammed Check the letter F some people are selling letter E heads and grinding the bottom off the E to make it look like F heads the way to tell is pull exhaust or intake manifolds and look at the exhaust ports the center exhaust ports on the exhaust side should be all flush no indent between the two center exhaust ports.... And for the intake side where the exhaust goes under the carburetor that square passage should only go to the one cylinder if it goes to both cylinders it is not a real "F " /Marine W-30 heads they are very rare to find but the C-B heads are a lot better than the aluminum ones I think with what I can do with them... For the small block the number 4 is the best the 5 that is the W-31 Head. But the number 4 needs hardened valve seats and 79 403 small block valve rotators installed. When you that there grab the connecting rods from the 403 they have a heavier I beam...the '67. 330 c.i. also has a forged steel crankshaft...
I have a X as a third digit. Do you know what plant that represents?
Fairfax or Kansas city ks
@@UsefulEntertainment Alright, thanks.
My engines got a 4 in the beginning so that would be Buick right
i believe so, is the distributor in the front and the fuel pump on the drivers side??? if so then yes its a buick
No the fuel pump is on the passenger side Distributors on the backside of the motor
And my head's have a number 4A
It sounds like you may have a 403
Keep those heads and rods if it a 403 those are parts you want the 403 connecting rods are stronger that the others and will bolt in and the heads you will need the valve rotators to install in older heads with smaller combustion chambers. Since the old heads needed lead gas to lubricate them...
Did you ever cc the heads before you took the valves out? The #6 heads are supposed to be 64cc but I've heard people say there actually more like 68cc.
interesting, I haven't heard that before, I'll have to look into that theory. honestly I'm not sure how to check the ccs, I just went by the book.apparently, 330 heads are supposedly 60 cc, I wonder if they are around 64 then. do you know how to check them manually?
Nice
The shelf over my timing chain #s are 6509gm50. Could you tell me what that is??
That I'm not sure of. The gm50 might mean a GM 5.0 (307) what kind of car and year?
It’s a 86 but I’m not sure if the motor that came in it or not.
Any leads on 6 or 5 heads ?
iv got a set of 6s that need rebuilt
What are you asking?
What's your price for them ?
@@jonathanduke8295 opps forgot to get back to you. To be honest I don't know how much they are worth. Shipping would be the bitch, what state do you live in? How's $200 sound?
8 heads can be good if you mill them
My heads say 4A what year would that be and are they good?
My head's are 4A heads to
Mine has 179 date code 0 for 70 would it have been made 179 day of 69 or 70?
nice.
3161gm50lg is mine wat does it mean
Its a 71. Are you sure the 6 isnt a G? If it is a g its from Framingham Ma
1970,,,OLDS,,, 455,,,IS THE BEST, YEAR FOR, BLOCK HIGH NICKLE, CONTENT
It was cast on 304 not built.
I don't think you should throw em in the scrap pile. They haven't manufactured any Oldsmobile parts for a long long time. I would post them on offer up or Ebay. Somebody out there would probably like to have even the low compression heads. You know someone might just need 1 because maybe thiers is damaged or something? If I have usable parts or a good short block or a transmission or something. I usually post them on offer up. Somebody out there wants it. About a month ago I sold a 180K mile NVG3500 out of a 97 S10 for $100. Just sold the short block 4.3L out of it for $100. Sold the distributor for $20. Trust me,somebody out there wants it. I was gonna sell the seats too, but a cat decided to have kittens on the passenger seat. It ain't even my cat.
These days, id agree with you.
Just remember J on big block heads stand for junk.
How you know it's a 455?
This one is a 350. To identify a 455, watch my latest video.
#8 heads are junk ? That's funny !
Gold dust.
Totally useless all I can get from this is the first two numbers are 3 and 3 which means where it was made and what year which would be 1973 I would like to know what the cubic inches is.
i had a 1969 olds with type c heads was told they were the best
yes, c heads are the best along with E heads. c heads are 1967-69 and E heads are 1970. however, lettered heads are big block heads, as where numbered heads are for small blocks. on another note, the best of the best are F,K,H,D heads, those are 6000 dollar w30 heads that flow about as good as a c or an e, your just paying for the casting number lol. those w30 heads are easy to remember because of what they spell LOL
@@UsefulEntertainment ;p;lol
@@UsefulEntertainment i just bought a 1975 delta 88 convertible with a 350 has the 8 heads junk but it runs good 94000 miles 4 barrel was changing the plugs it had the delco 7 plugs in it the gap was 0.45 i bought cheap autolite 847 plugs i gaped them at 0.60 because i had no idea what to gap them to because i got 0.80 which i thought was too big what do you suggest gapping plugs on that? also it runs good but i checked compression one cylinder had 80 psi another has 120 another had 180 it was all over the place