The Panchito’s are worth every penny imo. I think it’s a great video and I’m glad you posted it. I agree, every engine is different and not all need the same mods… Some need more. I think for what you’re building, the port work will help tremendously.
Thanks Gary! I think it will definitely help improve things over some untouched stockers. I would LOVE some panchitos in the future - had they been in the budget, I would've likely up'd the cylinders to 94mm. Nevertheless, I think this engine ought to do nicely for an 1,100lb rail (with me in it). Thanks for watching!
I am Suprised you haven't UNSHROUDED The Valves being, it is part of the information in this book and TRULY Helps the flow around the Valves, Muy Importante!! Also the intakes could use the "D" pots as you have them but, follow the D back in the top and Bottom middle! There is solid material to work with, as the middle between the Intakes has plenty of material, continue the D at the inside an carefully at the outsides od the D port on each and every one! As one reply said, the exhaust id Is fine being, it imdoes have a Venturi Effect near the Valve Boss area, where it's squeezed in that area. Only other thing was where the roof shows ti clearance, doesn't look like you did much to roof and don't blame you, if you go too far, risk having to blow thru top of Ports But, way in by the Valve, as long as there is enough material or Acually way inside where the arrows pointed ight try a little more, just be careful and feel the thickness often. The Hot Rodding VW Engines is A Very Practical and enlightening Book to say the least! Learned a lot back in early 1980s! Keep on Keeping On! VW's Forever, how Dae us your Build?? Thanks for Video, Gar
Thanks for the comment and support! I originally was planning on doing a bit of unshrouding in the combustion chamber, however I decided to not remove anymore combustion chamber material since my compression ratio was spot on where I wanted it...I probably would've went for it and done more (with the intention of correcting comp ratio) if we had a VW competent machinist down the street that could correct it afterwards, but sadly I have a bit of a drive to get to one. I've got some other heads that I plan on porting in the future, so I may experiment with a little bit larger D as you described when I get there. Overall, I believe this porting made a significant difference in the way my buggy performed. Even with the stock valve size, it'll rip down the track pretty good! (see my latest video to see)
Nothing wrong with enlarging the exhaust port. Your scavenging efforts can be accomplished by a combination of downstream exhaust piping diameters. A step-down in exhaust piping diameters will help create that scavenging effect quite well and restore and quite possibly improve low end torque. A lightened flywheel can also contribute to this as well.
That's good to know. After having ran it this past weekend a bit, I don't get the feeling that it was soggy down low, and especially not up on the top end.
The Panchito’s are worth every penny imo.
I think it’s a great video and I’m glad you posted it.
I agree, every engine is different and not all need the same mods… Some need more.
I think for what you’re building, the port work will help tremendously.
Thanks Gary! I think it will definitely help improve things over some untouched stockers. I would LOVE some panchitos in the future - had they been in the budget, I would've likely up'd the cylinders to 94mm. Nevertheless, I think this engine ought to do nicely for an 1,100lb rail (with me in it). Thanks for watching!
@@culturedredneckgarage3784 that’s gonna be amazing in that rail. You’ll enjoy that combo for sure.
Cool video! I have that book 😊 Old school for sure
Great video!!! 🤘🏻🤘🏻🤘🏻
I am Suprised you haven't UNSHROUDED The Valves being, it is part of the information in this book and TRULY Helps the flow around the Valves,
Muy Importante!!
Also the intakes could use the "D" pots as you have them but, follow the D back in the top and Bottom middle! There is solid material to work with, as the middle between the Intakes has plenty of material, continue the D at the inside an carefully at the outsides od the D port on each and every one!
As one reply said, the exhaust id
Is fine being, it imdoes have a Venturi Effect near the Valve Boss area, where it's squeezed in that area.
Only other thing was where the roof shows ti clearance, doesn't look like you did much to roof and don't blame you, if you go too far, risk having to blow thru top of Ports But, way in by the Valve, as long as there is enough material or Acually way inside where the arrows pointed ight try a little more, just be careful and feel the thickness often.
The Hot Rodding VW Engines is A Very Practical and enlightening Book to say the least! Learned a lot back in early 1980s!
Keep on Keeping On!
VW's Forever, how Dae us your Build??
Thanks for Video, Gar
Thanks for the comment and support! I originally was planning on doing a bit of unshrouding in the combustion chamber, however I decided to not remove anymore combustion chamber material since my compression ratio was spot on where I wanted it...I probably would've went for it and done more (with the intention of correcting comp ratio) if we had a VW competent machinist down the street that could correct it afterwards, but sadly I have a bit of a drive to get to one. I've got some other heads that I plan on porting in the future, so I may experiment with a little bit larger D as you described when I get there. Overall, I believe this porting made a significant difference in the way my buggy performed. Even with the stock valve size, it'll rip down the track pretty good! (see my latest video to see)
Nothing wrong with enlarging the exhaust port. Your scavenging efforts can be accomplished by a combination of downstream exhaust piping diameters. A step-down in exhaust piping diameters will help create that scavenging effect quite well and restore and quite possibly improve low end torque. A lightened flywheel can also contribute to this as well.
That's good to know. After having ran it this past weekend a bit, I don't get the feeling that it was soggy down low, and especially not up on the top end.
Nice information.
Thanks! That book is full of good (although somewhat outdated) info....a great piece to have in your library, if not just for the nostalgic pics.
@@culturedredneckgarage3784 I have the later copy of that book.
at least you won't ever have to worry about water jackets
No doubt!....it's definitely one of the benefits to fiddling aircooled stuff. Looking back on it, these weren't to bad to do.
Enjoyed that 👍
No need to remove material on the guide boss.