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  1. iflyfisher

    Hello from Michigan

    Welcome! We have a place in Pinckney we head to for the summer. Love Michigan summers!
  2. iflyfisher

    Light white smoke and backfire at high RPM or under load

    @DoubleDingo, Yep, she's my truck! Warts and all! @RanchWelder, I'm not sure on a budget and simple are words my wife would agree with! And I haven't even started replacing or fixing rusted panels or worn interior! This restoration will go well beyond getting it running. But it isn't going to be...
  3. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Gents, I appreciate the concern about my old 350 being behind from a technology perspective. But, I'll probably only put a couple thousand miles a year on it once I get it restored. Perhaps if it were going to be my daily driver and see a lot of miles, I'd go with the roller cams. Others have...
  4. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Well…that doesn’t help much at this point.
  5. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Thanks for all the input gents. This thread is a good reference for me and likely others going through a similar project. Appreciate you sharing your knowledge. I talked to my machinist this morning and he recommended a cam. This afternoon, I ordered the cam and lifters (COMP cam kit), timing...
  6. iflyfisher

    Light white smoke and backfire at high RPM or under load

    OMG @Welder, you just opened up the firehose! Thanks for taking all the time to jot this down and share the video links. I was 'hoping' not to crack open the bottom end other than to loosen the oil pan so I could take off the timing chain cover. I need to read through this a few times to...
  7. iflyfisher

    Light white smoke and backfire at high RPM or under load

    @Welder, you were up late or very early :). Not necessarily trying to get the ol truck running on the cheap. This is simply my first rodeo. I've done a fair amount of wrenching on motorcyles, but never the big boys. I figured this non-emission and non-computer controlled truck had the perfect...
  8. iflyfisher

    Light white smoke and backfire at high RPM or under load

    May call the machinist next week. He is an engine builder and can likely give me a recommendation.
  9. iflyfisher

    Light white smoke and backfire at high RPM or under load

    @squaredeal91, I never replaced a cam, but based on a bit of research, it doesn't look too bad, and looks like I can do it with the rest of the block still in the truck. I can also take care of the timing chain then. I jumped onto Summit Racing to look for camshafts and over 600 results popped...
  10. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Well...I feel a bit like I'm playing Whack-a-Mole. I pulled the lifters individually to inspect them. All looked good with the exception of the No 3 exhaust. Looks like this lifter has not been rotating for some time. Arghh! I'm guessing this means a new cam. I can't seem to get ahead in this...
  11. iflyfisher

    Light white smoke and backfire at high RPM or under load

    @RanchWelder, thanks for the tips. I'll take in the manifolds when I pick up the heads and have the machinist check them for flatness. The engine hasn't overheated since I got the truck a couple of months ago, but I don't know prior to that. My Dad generally kept the truck well maintained and...
  12. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Thanks @PrairieDrifter
  13. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Thanks @Snoots and @PrairieDrifter. Set of new bolts for the heads is $28 and on sale at 20% off, so may just replace those given the nominal cost. I felt lucky to remove the exhaust manifold bolts without snapping one. I definitely want to replace those, but I can't find any online at Napa. Are...
  14. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Providing an update as a couple of weeks have passed since my last post. I put some oil in the cylinders to check whether the leak was rings or valves. The compression numbers did not change. I ran a can of CRC valve cleaner through the intake. No change. I pulled the valve covers and removed...
  15. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Thanks @WFO, I’ll do that. I had just assumed as the other cylinders were good, it was valves. Another reminder of how little I know. Your comment does have me wondering though if the compression loss is due to rings, could the rings in those two cylinders be stuck? I would have thought that...
  16. iflyfisher

    Light white smoke and backfire at high RPM or under load

    I am losing my head(s)!! I finally got to checking the compression this morning. I took the truck out for a short run to warm it up then pulled the plugs. This is the first time I had pulled the plugs since putting a bit of time on the engine. I pulled 1, 3, and 5 and each of the plugs had a...
  17. iflyfisher

    Thank you post to y'all.

    I've been relying heavily on the folks on this forum as well to get my Dad's old '73 running again. Like you, I'm learning a ton.
  18. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Gents, we are getting very close. Swapped out the points and condenser this morning. I tried doing this with the distributor in, but very difficult to get in there. The condenser screw was totally blind, so I decided to pull the distributor. I thought I had noted where the cap was, so putting...
  19. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Thanks for all the quick feedback. Got a good list of things to tackle tomorrow. @squaredeal91, I do have an old dwell meter of my dad’s. I did some reading on setting up a dwell meter and adjusting dwell. Think I can tackle it. I downloaded the manual on the forum for the truck. When looking...
  20. iflyfisher

    Light white smoke and backfire at high RPM or under load

    @squaredeal91, I had a few recommendations to swap the distributor for an HEI setup, but frankly I want to learn to tinker with the points one for now. I did floss the points a bit with some 400g paper when I had the distributor out. But you are correct, I haven’t checked the dwell setting...
  21. iflyfisher

    Light white smoke and backfire at high RPM or under load

    @Grit dog, Thanks! I love that color scheme too. It will look much nicer in a couple of years when it doesn't have the rust accents :). @DoubleDingo, The exhaust seems dirty, and makes a mess of my garage floor. I put up a cardboard box to protect the stucco wall. Sounds like some gunk is...
  22. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Quick update. All the valves are functioning fine. I turned each of the rods, and all turned fine, so they should be straight. No excess slop around the rockers. I also put the timing light back on and checked the advance when I blipped the throttle. The timing mark advanced as the RPMs...
  23. iflyfisher

    Light white smoke and backfire at high RPM or under load

    @Snoots, thanks for the diagram. I am going to chase down a vacuum gauge and take some readings. I might pick up some fresh vacuum line and replace the old stuff. The truck still has the original Quadrajet. I think it is a 4MV. Where do I hook the vacuum gauge for manifold vacuum? In looking...
  24. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Just read the linked article. Dang, lots of good info in there. I’ll try and work through some of the tests. Definitely going to save that one. Thanks for digging it up.
  25. iflyfisher

    Light white smoke and backfire at high RPM or under load

    @Ricko1966, thanks for the clarification. I did notice when putting the carb back on, the vacuum hose connection going to the carb from the vacuum advance was very hard and stiff. I’ll get a vacuum gauge and check. I’m not clear on how I can be in the cab driving, doing a power brake, and being...

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