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Do you know if the lower intake from a 3.4SFI could be a direct replacement for the lower intake from a 3.1SFI?

I swapped my valve and springs from the originals to the valve springs and rockers out of a 95 so that I could get the extra lift. Would I torque those down to the 3.1 original specs or the 3100 specs. And what would be a good cam I can’t seem to find any decent ones I would like a choppier one. The car is ran at higher rpm’s very very frequently as it’s a derby car motor

I’m looking for a aftermarket intake for my 7a motor. Will the 5A intake work somehow with the 7a? Of if anyone knows where I can find an intake for the 7a?

I got a 88 307 with the 7A heads, I’m looking for aftermarket manifold.

I'll take a 3.1 iron head all day long. I do demo derby and these things love heat, she runs her best around 235 and they will run until they lock up or blow up. The aluminum heads can't handle it

Hey, new car guy here just got a 2005 Pontiac grand am gt and was wondering what was some good starting places for this car, also where’d you get that muffler it sounds awesome🙏🏼

I think this Olds would both be approved by both Dr. OLDSMOBILE and Joe Mondello! Drive it to Lansing MI. birthplace of Oldsmobile

ROP is rolling over in it's grave LOL

Hope to see this beast at the track someday very few Oldsmobile's today

I see Oldsmobile content I thumbs up. I'm a simple man. Nice work!

When the exhaust crossover is double the size of the intake port, you know it’s from the smog era

I appreciate sharing the flow numbers, it’s hard to find details on Oldsmobile stuff.

3400 & 3500 both motors are JUNK. The 3800s were the ones you want best motor ever made. I had a 2004 monte carlo with the 3400 when I say that thing was JUNK it leaked oil and everything I had to keep adding oil at least 2 times a week and eventually the leak just got worst and the motor locked up on me running completely out of oil. Them motors were known for that.

Hi do you have the link to the next part of this video? thanks Mike

I liked your videos on the 3.9 engine. I had a problem with my 3.9. The front 3 cylinders were running extremely rich. The front right piston had the valves hit it. One of the 3 codes was the runner control and it failed and would like your opinion if you think that might have caused the problem? Do you have a video on removing the engine from an Impala and replacing. I very much prefer the old V8 that were easy to remove and work on. My wife helped and she was in the Blazer engine compartment helping. Don't know if you have ever worked on airplane engines they are a lot easier and you always start with a clean engine. Good youtube videos have really helped. Thanks again yours was one of the best. David Muhs

love my monte carlo 3.4l. better gas mileage than the others. can be made just as powerful. mine is very powerful rn. i need to upgrade the transaxle to handle more power. although i will probably put an izuzu manual transaxle up front. custom gear ratios.

I need my Oldsmobile 307 cylinder heads ported and up graded

I remeber seeing this when you first posted ,then remembered how eager i was to see it finished , i have a 307 delta ,has alot of sentimental value,so even though im doing a 455 swap eventually,i wanted a single turbo low boost build on the original motor ,I know the windowed mains are notoriously weak,but i figure 6 psi would be safe ,its a cruiser know it wont be fast ,but itll sound good ,and be a cheap and easy eay to build my first turbo motor,please sont give up on it lol

Is there any aftermarket cams springs valves for the 3100 sfi v6? I’m completely straight piped and want to add a little chop to it

Are you planning on actually making this fast or is it just a daily that you fool with? If your planning on actually making it quick I would pull the 3.4 and put in a 3.5 or 3.9 from an impala or g6. Also are you gonna rebuild the transmission or just put in a junkyard unit? If you are going to be rebuilding it, I hope you make a video series on it as there arent many videos about these trannys

I hope that engine build works for you. Them stock 3400 motors were trash. My dad bought me an 04 monte carlo I got about 5 years out of it it uses and leak more and more oil as time went on. It's going to scrap. Stay away from the 3400s. 3800s are the best. That's my advice to people when they consider buying a good used GM car.

Did you notice a power improvement or do you have to go full straight pipe / cat delete for that?

I was wondering if you could tell me how to modify my 2001 Buick century

those outdated tech engines even for the 90s, with push rods.. just gas guzzlers

We got the itch lol ,following your channel now lol my son has 91 cav z24 3.1 5 speed, bought a wrecked 03 Montana van really nice 3.4 this is a doable swap correct? Run the 91 computer keep the 3.4 intake injectors?

3400 just a waste of time

Planning on swapping a equinox 3.4 into my 2000 Malibu, swapping the plenum for the more common smaller version for now just so it fits. All stock so should be a fun project over the winter, hoping to integrate some ideas from you vids to boost its power!

I’m looking at getting a pair of these 2a heads in place of my 76’ 350 #8 smogger heads. Could you please let me know what you think. Cannot find any information or flow charts or anything. Thanks pal

Wondering how much this might help under boost. Less restrictions could mean less boost with more power….Awesome video!

Man i havent checked in on you for a year....i picked one ofnthese up w years ago. I just got an old holley thiftmaster 450 cfm spreadbore to rebuild for iit

Sounds like you are from Canada. I'm checking it "oot"!

Jesus C, your heavy mouth breathing, sighs, and exhaling ruins whatever info you were providing in this video. I seriously could not focus on what you were saying. Also, before worrying about this larger TB adaption, I would focus on fixing the lifter / rocker arm ticking and the rear wheel well rust.

Lots of work, nice effort. I did the 3400 to 3500 swap using a kit, in an 05 Buick Rendezvous. Still running the 3400 throttle body. There's a 65mm billet TB available for purchase. Since there's no work inside the motor, and no tune, I could swap just for a bit better throttle response. But other things demand my money right now. Maybe doing the 3.5 Olds TB swap would be the thing, you've done good videos on that.

Can we assume this has the stock 3400 top end, and NOT an LX9 top end? Any verfiable results, such as time slips? Awesome video either way!

I setup the wot-tech brackets to sit the ball on the outside of the linkage. Its just a matter of cable length really. If someone has the barrel, I have that to set the length as well. Great video showing what it takes to do the install!

you will surprisingly make more power without porting for the larger TB, but obviously its best to match it up.

i use to have that car the 3.1 in 1991

I canr wait to take mine im modifying it right nkw also needs gead gaskets lol

The 3.1’s are insanely bulletproof, I’m surprised they aren’t pushed to their limits as much

If you got them for a song might as well put big block valves in them and fill the crossovers with aluminum. You’ll have to reform the bowls but it’s totally worth it. Did it to my #6 heads it’s it’s a rocket! Pun intended. Any competent machinist should be able to put the bigger valve seats in but I do the porting myself. It’s hard to find an engine machinist that knows olds engines. Most they just want to sell you a boat anchor sbc.

Definitely port those heads!!! Got an 85 lesabre with the setup wanna see the action!

Just get 350b heads ?

would this work with a 98 grand am gt? im trying to find any performance mods before deciding to 3400 swap it as im not sure if it would be a bolt-in swap or not.

I live in Poland and I have a Pontiac Grand Prix 3.1 LE from 1991. I would like to ask you about two things. There is oil collecting in my intake manifold, and the spark plugs are a strange color, they are not black, but the upper electrodes of the spark plug are white. When the engine is hot, it shakes slightly. Ignition coils, cables, plugs are new. I also installed a new timing chain. Compression on the cylinders is equal and amounts to 190 psi. When the engine is very hot and has been left for about 20 to 30 minutes, it runs erratically after starting. After 10 seconds it calms down and everything is fine. If my stop is shorter, for example 10 minutes, then everything is fine. Could this be a problem with the piston rings? I'm asking because after removing the PCV valve from the valve cover, the engine smokes a lot from this hole. If the valve is installed, everything is fine. I also checked the vacuum pressure on a warm engine. My meter read -17 inHg. I will be very grateful for any help. Greetings from Poland. Adam.

Curious how it would sound with my setup, 304 SS, a 200 cell cat and dual super HP2s🤔

Rev it!

How is the sound inside' is there any droning?

hey man i’m having a lot of trouble with my 3100, could we get in touch and maybe i can pick you’re brain a little. it would mean the world, i have a small port 3100 in my 1969 vw van

Good choice on the intake Offenhauser port O sonic (Mondello posi flow) is a great intake. My 488 pulls hard this season and its a kids toy compared to this.

What intake mainfold did he go with