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  1. G

    SBM Promaxx Flow Numbers

    No doubt. I love it down there. All in good fun. :)
  2. G

    SBM Promaxx Flow Numbers

    No hearing protection in view, but it looks like they are wearing safety glasses, so I don't think we can call it a sweat shop.
  3. G

    My Luck

    Good. That CR should have been aborted weeks ago. 1500 pages of garbage, put in by both sides of the aisle. Both sides are complicit, and they got called on it. Tough cookies. Shut it down, it doesn't matter. 85% of everything keeps going. Biggest story from the last shut down was Obama...
  4. G

    SBM Promaxx Flow Numbers

    Well, it is Alabama. :lol:
  5. G

    Not mine

    Wentzville!? Good thing I'm going to FL instead of St. Charles for Christmas. Would have a heck of a time explaining that to the wife. Neat little car, looks very clean and ready to go.
  6. G

    SBM Promaxx Flow Numbers

    Need to get mine out. I don't remember them being rough at all, but they are used and the previous owner may have breathed on them a bit. Appreciate your efforts on the testing.
  7. G

    SBM Promaxx Flow Numbers

    Not a lot of difference between the three heads, pretty much a horse a piece. Just to clarify, that is the ProMaxx 171 aluminum head correct? I have a set I'll be putting to use soon. This is the flow data from their website. Little bit of difference form your results through the range but I...
  8. G

    Good idea for a welding ground cable

    You really should try to get the wire or a ferule attached to the end of the cable under the vice jaw so it is in direct contact with the sheet metal. Steel is a piss poor conductor of electricity. You’ll have significant losses through the pliers (and they’ll heat up) if you’re back on the...
  9. G

    AFR SBM Heads, Just got back from PRI

    How can you be bitching and complaining about this company and their policies when the heads are not yet available for sale and you have absolutely no idea how they will be priced or with what options??
  10. G

    Suggestions for new design Aluminum Mopar SB clean slate (kind of) cylinder heads

    ProMaxx does. PROMAXX Performance Products
  11. G

    Guns, Dogs and Blades QnA

    LEE makes a pretty accurate and affordable hardness tester. I have one and use it regularly. There are other more expensive ones but they all push a pointer into the bullet under a known spring pressure and you either measure the indentation or the spring loaded arm gives you an indication. The...
  12. G

    Round column mill for head work

    That's a neat trick with the laser that would come in handy in other applications too. Noted for future use...
  13. G

    Round column mill for head work

    The biggest problem I see with a round column machine other than the low mass and limited table travel is the limited Z-travel in the spindle and column. The table travel can be overcome by repositioning the head on a fixture, a PITA but doable. But the spindle travel becomes a real issue...
  14. G

    Show us your small block

    V8 kit starts at $2000. Flat head four cylinder for half that. Something like this is a bucket list item for me to do from scratch. I'll get there but have a few other things to get to on that list first.
  15. G

    Overlap Triangle

    Step back in what regard? Power potential, yes. Reliability, could be argued either way. If you had a SFT, you wouldn't have shredded a bronze gear because there wouldn't be one. SFT may have issues on break-in with current lifters if they aren't made right, but a roller is a more complex...
  16. G

    Cylinder head dyno shoot out

    No. The ProMaxx are castings are machined and assembled in the US (Alabama) as far as I know. I spoke to the owner about having the Shocker treatment performed on the standard ones I have, and he was very good to talk to and the cost was very reasonable, but I didn't follow through at the time.
  17. G

    Cylinder head dyno shoot out

    That is my understanding but could be wrong. I have the standard 171cc version that are supposed to flow about 255 cfm. I haven't looked at them in a while and need to dig them out. The Shocker is their "CNC" version that has a 185cc port and I think a 2.050" intake valve. Says they flow 285 fm.
  18. G

    SBM Edelbrock/Speedmaster Head Data

    The ridges are an artifact of the tool diameter and program step over. Takes a small step over to make a surface cut by a hemispherical tool to look smooth. Smaller stepover increases machine time 2x-3x. Time is money.
  19. G

    Cylinder head dyno shoot out

    I've got a brand new standard port M1 single plane I could loan as well as a set of ProMaxx 171 (non-CNC) heads. Have an extra 340 block that I could "loan" if I can drop it off. Don't care to ship something like that.
  20. G

    SBM Edelbrock/Speedmaster Head Data

    That would seem like it would be the easy button to an offset rocker, but I'm not familiar with how far the stands or mounts would need to move in order to utilize the BBM rocker system.
  21. G

    Stainless, Bushed PRW Rocker Arms

    I don't think that solid or hydraulic dictate whether grooves are needed. The rocker is always riding on a film of oil, otherwise the system fails. I don't see how either one can be substantially better at getting oil to the interface, especially when you consider the time available to move the...
  22. G

    Checking head flow by vacuum

    It's called a manonmeter. One end is open to atmosphere and that high end connects to the vacuum source. The harder the vacuum pulls, the higher the fluid will go in the tube. I have one of these things connected to the radon pump connected to my sump pump system. You can get relative flow...
  23. G

    Making a little progress on the W5 engine for the Dakota

    Little confused by the stub shaft on the bronze gear. No oil pump drive so does that mean dry sump, but keeping the distributor? I guess I would of thought you'd go with a crank trigger considering the belt drive and overall awesomeness of the build.
  24. G

    Replacement W head?

    0%
  25. G

    Suggestions for new design Aluminum Mopar SB clean slate (kind of) cylinder heads

    For the print volume restriction you might be able to split the head in half and then connect water jacket externally? I just bought a Bambu 3D printer that will do a 10" cube and if I ever get to the point of having a head flow machine, I'll be trying to model up some different port, bowl, and...
  26. G

    Son of a B part two

    The kid needs something to fix, that should be a good learning opportunity.
  27. G

    Guns, Dogs and Blades QnA

    I thought that’s what you meant. I thought they call them progressive lenses. I have a pair and have never tried to use them to shoot. I got them because I’m near sighted and have to remove my glasses to read which was a pain at work. But they were so sensitive to head position I was getting a...
  28. G

    Guns, Dogs and Blades QnA

    What do you mean by transition lenses? Do you mean like bifocals or the lenses that turn dark when you’re out in the sun? I’ve worn glasses since my early 20s and yeah, they’re paying to use with binoculars, but they’re not a big deal as far as using a rifle, scope or spotting scope. The key is...
  29. G

    Speedmaster, Edelbrock LA, or magnum cylinder head MILLING LIMITS & common Milling Optimization

    My stock 71 340 with what I believe is the stock cam and stock pistons and 2.02” valve J-heads was giving average readings of 175-180 psi when I pulled it down. Are you sur ed about that 147 number? Seems low compared to other results I’ve seen over the years. Get the piston to the deck level...
  30. G

    Anyone try the Edelbrock VRS-4250 Carb yet?

    I don't know what I don't know regarding carbs. There have been comments that this carb might not be best for a street application because of tune difficulty and stability and I'm wondering what feature unique to the VRS (or other carb) would cause this? I can understand having more dials to...
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