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  1. Chamber clean up

    Engine Tech
    Your wealth of insight is greatly appreciated.
  2. Chamber clean up

    Engine Tech
    I am cleaning up spots of chamber flash in a set of RPM heads and was wondering if there would be flow gains by laying back the 2 machined edges on the wall side of the exhaust valve?
  3. Port matching

    Engine Tech
    I have a couple questions about port matching and header design I hope someone will comment on. When port matching do you guys blend right to the edge of the gasket on the sides and top or does the pictured Edelbrock match to a felpro 1419 look ok? Because of limited choices of headers for a 460...
  4. Back cuts

    Engine Tech
    Pretty small cam for now so figured it would not go much beyond. Do have it chipped a 6K.
  5. Back cuts

    Engine Tech
    I got a real good deal on a new set of Edelbrock 60069's for my 466. I'm considering adding a 30° back cut to the valves like i did on the current D3's. I know some applications do not response to this or do not response as well as others for a few reasons. Has anyone done this on the 669's? If...
  6. Oil

    Engine Tech
    I was kind of surprised to read about the effects zinc additives have on regulars oil.
  7. Oil

    Engine Tech
    Mad Porter brought up in another post the subject of cam and lift wear due to the levels of ZDDP. Finding out which oil has how much was not as easy as I thought it would be but thought I would share a link to some 2015 testing I found. Not sure how much these oil formulas have changed since...
  8. Spring pressure

    Engine Tech
    No not at this point just the new heads and new 3/8 push rods.
  9. Spring pressure

    Engine Tech
    Not sure what stock spring pressure is on D3 heads but do you see any issue using the stock lifters with the increased spring pressure from a set of edelbrock 60669's? Seat pressure on them are 120 not sure on open pressure. Cam is .530/.530 lift.
  10. Compression gage

    Engine Tech
    Anyone know if these Harbor Freight compression gages are accurate? I read something about the placement of the schrader valve will give much different readings. Had to replace my old one which always gave readings in the 230 range but this one shows 190, 195 and the rest at 200. Always...
  11. Upping the power

    Engine Tech
    I was figuring needing an additional 80 for the goal, wasn't far off. I thought it was just me who thought the eddy's were stupid expensive for what they are. The larger valve question was because I have been keeping an eye out for a good used set of eddy's thinking that and and more cam would...
  12. Upping the power

    Engine Tech
    No educated guesses?
  13. yet another overheating stroked 460 problem

    Engine Tech
    Maybe I over read that you covered it but I would be looking collapsing radiator hoses and speed.
  14. Upping the power

    Engine Tech
    Been running the very mild combo listed below for 20 care free years in my 68 Galaxie. The engine still runs great, uses no oil and still has 70psi cold 30psi hot oil pressure. Cranking compression a couple years ago was 210-220 (fresh was 230-240). Car is 4200lbs and runs high 12's but really...
  15. Fuel pump destruction

    Engine Tech
    Any chance the pump arm came in contact with the TC and that caused it to break? I say this cause it happened to me once. In my case it did not break the arm but sure put a big groove in the arm. Fortunately it didn't end in a catastrophic failure.
  16. Setting timing

    Engine Tech
    Wonder why MSD advised me to leave it ?
  17. Servo cover bolts

    General Tech
    Fresh rebuild and found the cover leaking enough to drip on the header. I suspect its the gasket as I had this same issue years ago with this trans. If I remember correctly I doubled up the thin gasket and it stopped the leak. Think I will try the permatex the right stuff. Thanks for the...
  18. Servo cover bolts

    General Tech
    Are any of the bolt holes on a C6 servo cover open ended or are all 4 blind threads, have a bottom? I have a leak that appears to be coming from the lower rear bolt of the cover and I was wondering if the fluid is leaking thought the threads(?) If they are blind holes obliviously the cover or...
  19. Setting timing

    Engine Tech
    MSD told me to leave the resistor wire in the loop on my Galaxie (?) and it's been running good for 20 years. I forgot which wire it is but I had to add the resistor at the external regulator because the engine continues run after turning the key off without it.
  20. Anybody seen Bigfun around?

    Chilly's Garage
    Believe his name is Phil and owns / owned the 10 second 68 Galaxie featured in Hot Rod. No response to a message so I wanted to see if he is around.
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