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  1. Don C

    Where the hell I have been and why your order isn't done yet.

    I'm really sorry to hear about your parents passing and your wife's illness. I hope she has a speedy recovery.
  2. Don C

    Exhaust for Staggered Shocks

    Pypes now says that the SFM04 exhaust (2.5" mandrel bent stainless) will fit staggered shocks. They must have made a change in it, they used to say it wouldn't fit staggered shocks...
  3. Don C

    Engine Block Number

    If you're interested in knowing more about the various codes and casting numbers that Ford uses you'll find a compilation of code numbers in spreadsheets here: https://7173mustangs.com/threads/ford-code-numbers.33536/ The buck tags are found on the radiator support, usually on the passenger...
  4. Don C

    CC 351 Cleveland valve springs

    After a lot of research and head scratching, I decided to use Comp Cams 26056 beehive springs for my upcoming 408 build. The fit is good, closed pressure will be about 155 pounds and open will be about 400 pounds. Plenty good enough for the Howards cam (231175-12) I will be using.
  5. Don C

    Dash lights. Led ?

    It's fairly easy to determine which side of the socket is the negative. The light (postive) trace pretty much runs around the outside of the circuit board, with the negative trace the second one in from the outside. You can see the layout in this post...
  6. Don C

    Any Ideas what this electrical item is & might be for?

    Very nice, thanks for sharing
  7. Don C

    Multimeter tutorial

    Here's a decent article on how to use a multimeter: https://www.msn.com/en-us/money/other/how-to-use-a-multimeter-when-working-on-your-car-a-beginner-s-guide/ar-BB1hr4cj?ocid=msedgntp&pc=U531&cvid=66929f1371df4ae69ef43bb799278dc0&ei=160
  8. Don C

    Ignition Issues

    Another possibility is that the outer ring on the balancer has slipped around, due to the rubber between the ring and hub drying out and disintegrating. The timing marks are usually just etched into the metal, not just painted on. The etched marks can be difficult to see, and usually need to be...
  9. Don C

    Ignition Issues

    What method did you use to determine that you are at TDC? Double check the firing order: 1-5-4-2-6-3-7-8 counterclockwise. The big block (385 series) firing order is different that the 351C and W and EFI small blocks. Point ignition? Make sure the condenser is installed correctly and...
  10. Don C

    I surprise myself

    I know your pain, it seems like every time I've had to change an in-the-tank fuel pump I had to drop the tank, no access from above. Good to hear you got it trouble shot before you pulled the bed to get access. I'm a real proponent of checking the easy stuff first. And yes, I did have to learn...
  11. Don C

    Vibration when running engine at 1200-1700 rpm’s and crusing about the same.

    In that case, it's also possible it has the incorrect balance on the flywheel/flexplate, or a problem with the clutch disk or torque converter. It could also have loose or missing bolts on them.
  12. Don C

    Vibration when running engine at 1200-1700 rpm’s and crusing about the same.

    Has the vibration always been there, since you had the car, or did it start all of a sudden?
  13. Don C

    More ripoff tactics from Speedmaster / ProComp Electronics / AT Racing World

    This made it to the news: https://www.msn.com/en-us/news/world/big-name-distributor-caught-stealing-small-shop-s-part-design-and-selling-it-on-summit/ar-AA1ntqc2?ocid=msedgntp&pc=U531&cvid=e62dd8f5d77f4517a836a753637efec1&ei=14
  14. Don C

    Wiring harness oddity.

    That (wire number 469) is the power feed for the seat belt warning, runs from a purple-white wire (#520) at connector 27 to the red-yellow hash wire (#640) at connector 156 or 157 (depending on year). It can be seen in the 1972 wiring diagram (available in this forum in the 7173 Wiki) at zone...
  15. Don C

    1972 FMX shift linkage grommet

    That's the correct one. Ford used them for many years on many different transmission shifters. The OEM ones ranged from brown to black.
  16. Don C

    Disc brake conversion options

    The Explorer swap seems to be a good way to go, some of the forum members have done it. The best posting/tutorial about it appears to no longer be available, after the server upgrade a couple of years ago. I believe the author of it was Turtle5353. Maybe he can repost it or you can PM him. It...
  17. Don C

    Is There An Easy Fix? Valence Light

    https://www.npdlink.com/product/radio-side-speaker-wire-repair-pigtail/199226?backurl=search/products?search_terms=pigtail&top_parent=200001&year=1971&year=1971 https://wiringproducts.com/products/3-contact-female-or-male-molded-connector-8-or-48-wires?variant=42468942414040 If there is a...
  18. Don C

    Determine Value of 1973 Mach 1 With a 351M (Actually a 351C!)

    My guess is that the first timing chain they gave you was for a Windsor, a common mistake at parts counters. Where did you get them, and what were/are the part numbers?
  19. Don C

    Good price for a 351 block and 4v heads?

    They are not easy to find. I paid $1,000 for a Q code 4-bolt engine, a couple of years ago, that had been stripped down, had standard bore, and I drove 180 miles (one direction) to pick it up. I'm like you, wasn't interested in anything other than the block and heads, had to take the crankshaft...
  20. Don C

    3 Inch Exhaust

    There's some information on exhaust pipe sizes in post #4 of this thread: https://7173mustangs.com/threads/new-leafs.44427/#post-447338
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