I worked in a foundry as a very young man. Since we finished castings we did a lot of our own porting and polishing on our lunch breaks. We polished the valley too just for better oil return!
My father had one middle cylinder exhaust out the top, and one out the bottom (normal) on his top fuel dragster. Yes, it was a crazy amount of modification, but on a waterless block it worked.
When I used to do flathead exhaust porting I remember questioning the foolishness of the center port and how doggone restrictive it was, basically no matter what I tried to do. Always wished someone had designed a modern flattie block that took care of that design problem.
@@larryresnick2300 Ardun heads wouldnt be worth it, unless youre willing to spend YEARS tracking some down and spending 20k+ on them seems cheap....there were fewer than 250 sets of Ardun heads EVER made, and at LEAST 3 of those sets are in museums that i have seen in person, and a few more ive seen in videos, then another 10 in land speed cars that guys still own that i know of. Finding a set isnt even worth pursuing
Ok Todd winter is over step away from the triples 🤣🤣 my sleds are away time for cars. I’m gonna be tearing into my 51 flathead very soon. Any updates on this. 👍🏻
Your right your right. I just started working on the hot rods myself also. I do have a major step to share about the chevy valves I'm using and what is required to make them work. I'll get a video going about that. Hope that holds you over for a bit. 😁
Front drive blower and exhaust out the top (better ports). You have pressure pushing mixture in so port size is not as critical. And, you loose all the exhaust heat being transferred into the water jacket (the biggest heat gain in the motor). Makes plumbing a bit tricky ...
Great clips. Don’t stop making films man. Yer a natural. Well done my man. You know. For just a few videos. A few productions. And just a year. You have near 1000 subs. Keep at it. Do stuff less expensive. Just fun. Impress yourself.
I worked in a foundry as a very young man. Since we finished castings we did a lot of our own porting and polishing on our lunch breaks. We polished the valley too just for better oil return!
Good idea.
gvet47 cool.
@@toddclyne3493 I understand it was common practice to seal the cast iron on the inside of the block with glyptal for better oil return.
did a great job especially for dealing with a crappy casting design lol
Thanks
Out of interest what procedure do you follow to get the block so clean? Is it all solvents or have you done any sonic cleaning or pressure washing?
My father had one middle cylinder exhaust out the top, and one out the bottom (normal) on his top fuel dragster. Yes, it was a crazy amount of modification, but on a waterless block it worked.
It's crazy some of the modification that can be done to these old flatties.
When I used to do flathead exhaust porting I remember questioning the foolishness of the center port and how doggone restrictive it was, basically no matter what I tried to do. Always wished someone had designed a modern flattie block that took care of that design problem.
It is a poor design for sure.
A pair of Ardun heads would fix it.
Then you would have to deal with the three main bearings. So a small block chevy would fix it all.
@@larryresnick2300 Ardun heads wouldnt be worth it, unless youre willing to spend YEARS tracking some down and spending 20k+ on them seems cheap....there were fewer than 250 sets of Ardun heads EVER made, and at LEAST 3 of those sets are in museums that i have seen in person, and a few more ive seen in videos, then another 10 in land speed cars that guys still own that i know of. Finding a set isnt even worth pursuing
saw a Bonneville motor that had a ton of porting done on the heat riser ?! it really opened up that siamesed exhaust port bottleneck
Ok Todd winter is over step away from the triples 🤣🤣 my sleds are away time for cars. I’m gonna be tearing into my 51 flathead very soon. Any updates on this. 👍🏻
Your right your right. I just started working on the hot rods myself also. I do have a major step to share about the chevy valves I'm using and what is required to make them work. I'll get a video going about that. Hope that holds you over for a bit. 😁
@@toddclyne3493 yes yes thanks looking forward to it. 👍🏻
Front drive blower and exhaust out the top (better ports). You have pressure pushing mixture in so port size is not as critical. And, you loose all the exhaust heat being transferred into the water jacket (the biggest heat gain in the motor). Makes plumbing a bit tricky ...
Maybe a sandblasting nozzle could be added to mimic the air flow direction for the intake and exhaust ports, to shine up the spots that most need it.
Extrude hone
What dremel bit did you use again?
Great clips. Don’t stop making films man. Yer a natural. Well done my man.
You know. For just a few videos. A few productions. And just a year. You have near 1000 subs. Keep at it.
Do stuff less expensive.
Just fun. Impress yourself.
Great comment thanks!
they should give you something thanks good luck
I remachined combustion a friend 32 flathead heads. He said it mad a difference.
nice work
FlatJan Thanks! I'm picking the block up from the machine shop today. I'll be able to start the assembly process now. Stay tuned for updates.
Nice job on the porting. That was the least favorite part so far on my build.
Aaron Dominguez yeah I know what you mean on least favorite part! All though it is a very important part of it. Thanks for commenting.