Search results

Home Model Engine Machinist Forum

Help Support Home Model Engine Machinist Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
  1. driller1432

    Chrysler Hemi 1/4 scale

    More work on heads valve seats made from drill rod along with tulip type valves. Valve seat angle of 45 degrees cut in lathe.Then after seat pressed in to head seat was cut with home made cutters with pilot shaft in guide to get concentric. Of course lapped in later and leak tested. Our family...
  2. driller1432

    Chrysler Hemi 1/4 scale

    Wow been 3 years since posting on the hemi build you probably thought I gave up on it. But work has continued I don’t take too many pics but i will post some that i have to get caught up. Only work on it during winter months. Combustion chambers were machined with crude tool made from drill bit...
  3. driller1432

    Chrysler Hemi 1/4 scale

    Wow been 3 years since posting on the hemi build you probably thought I gave up on it. But work has continued I don’t take too many pics but i will post some that i have to get caught up. Only work on it during winter months. Combustion chambers were machined with crude tool made from drill bit...
  4. driller1432

    Chrysler Hemi 1/4 scale

    Hey Badhippie yes going to use studs for the fifth head bolt .
  5. driller1432

    Chrysler Hemi 1/4 scale

    Thanks for all the replies. Last couple days spent hogging out lifter valley and drilling lifter bores. The holes for the fifth head bolt were drilled first then the lifter bores were drilled Because of the size of the lifter bores the boss for the head stud is very thin walled and one even...
  6. driller1432

    Chrysler Hemi 1/4 scale

    You are correct it is the 426 elephant engine.
  7. driller1432

    Machining connecting rods and bearing inserts

    Thank you George makes it a lot easier when someone else already has a great method and is willing to share!
  8. driller1432

    Chrysler Hemi 1/4 scale

    That would be great can’t wait to see how you machine the rods and bearings I appreciate the help!
  9. driller1432

    Chrysler Hemi 1/4 scale

    Finally back on the Hemi getting the block roughed in, got past the nerve racking part as all the cylinder bores ended up in the proper alignment with crank center line and main bearing webs. Now need to finish hogging out crankcase then the lifter valley will have to be hogged out as well. Then...
  10. driller1432

    COVID-19 Coronavirus Disease

    Hello all I work at the local hospital in plant operations (28 years) and planned on retiring last month but they talked me into working one more year. So I had already envisioned myself spending lot's of time in the shop, now I'm in the eye of the storm. I just picked up a sherline mill and...
  11. driller1432

    Another Knucklehead Build

    Terry Nice to see another build of the knucklehead your a master, it will be an awesome build. Stephen
  12. driller1432

    Chrysler Hemi 1/4 scale

    Hi guys got the valve guides and seats installed now will cut down and cut angles in seats with a two step pilot that fits in guide and inner valve seat since the ID of the guide is only .115 also got a start on intake valves tulip style from .500 drill rod
  13. driller1432

    6 cylinder engine in line

    Very nice sir, I like the unusual distributer
  14. driller1432

    Chrysler Hemi 1/4 scale

    Yep a little more to do, at least I think I’m past the point where I might screw up and have to start over! [emoji851]
  15. driller1432

    Chrysler Hemi 1/4 scale

    Pictures x2 don’t know why? sorry
  16. driller1432

    Chrysler Hemi 1/4 scale

    Getting close to finishing head machining .....oil drain back holes, oil feed passage..... water passage and valve cover surface to be perpendicular to spark plug holes then ready for seats guides and valves.
  17. driller1432

    Chrysler Hemi 1/4 scale

    Making valve seats on my new to me sherline mini lathe And spark plug tubes ........next head bolt and pushrod holes and topside of heads for spring seats.
  18. driller1432

    Chrysler Hemi 1/4 scale

    Thanks Cogsy And the metal I used for the crank came from a shaft from the draw works on a water well drill rig I once owned. I roughed out the crank on the mill with rotary table and tailstock with a fixture on each end to index rod journals then ground journals to final dimension on the lathe...
  19. driller1432

    Chrysler Hemi 1/4 scale

    Here we go with hemi build. Scaling off the real deal, did the crank awhile back did not take any pics of machining. Have a good start on heads with combustion chamber cutter made from drill bit The scrap head to scale from Next will be intake and exhaust ports and spark plug holes.
  20. driller1432

    Arduino Rotary Table for Dummies

    Finished my mount the thing works perfectly thanks again for sharing this SWEET!
Back
Top