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bunkhouse

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  1. bunkhouse

    Broken Fuel Pump Bolt

    I'm glad to see there's enough bolt left to grab or weld onto. That simplifies things. I've found that alternating heat and cold along with any of the methods suggested above will usually free them up. I use a propane torch to heat the bolt and surrounding area. Then apply cold to the bolt only, as much as possible. CRC Freeze-Off works well but I've also used dry ice and plain ice. I have better luck using good Channel-Locks than Vise-Grips. If it won't crack loose on the first attempt, try turning it in(clockwise) then reverse direction. Keep turning it both ways while spraying penetrant onto it. The theory is the cold will shrink the bolt allowing penetrating fluid to seep into the threads.
  2. bunkhouse

    '78 280z

    3 1/2 total psi. Anything much over 4 psi puts a strain on the needles and seats that can cause premature failure and flooding.
  3. bunkhouse

    '78 280z

    There's a lot of electric fuel pumps to choose from. You'll want about 3 1/2 psi fuel pressure to feed the carbs. Most of the complaints about elec. pumps are the noise. Many have found the 1st gen. (1980ish) Mazda RX7 pumps work great. No pressure regulator needed and they're nearly silent. Reasonably priced at any auto parts store.
  4. Ask the question over there. They deal with gremlins in stock Z's all the time.
  5. bunkhouse

    ubergumgum's 71' 240z

    Call it a repair or modification. Either way, it's not stock.
  6. bunkhouse

    Gollum's DD L28ET 75'

    Replacing the entire floor pan is a PITA compared to inserting a few patches. Replacement floor panels need massaging before they fit, especially the 280 floors.
  7. bunkhouse

    What did I buy?

    It is a close ratio box. The single mount on the left rear of the tail shaft housing is the clue. The gear ratios were the same from 80-83 with the exception of 5th gear. 1st.-3.062 2nd-1.858 3rd-1.308 4th-1.00 5th-.773,1980 5th-.745, 1981-1983
  8. bunkhouse

    ubergumgum's 71' 240z

    We'd like to see more pics and info about the car and engine. Vin#, engine, and head #s, etc. It has a later 280 vented hood. I'd pull the head from the block and take a look at the rod and main bearings. Send the head out to check for warpage, change the valve seats along with a valve grind, new valve seals, timing chain, etc. You may find the bores and pistons looking good, which is usual. It would also be a good idea to pull the freeze plugs from the side of the block and clean out the coolant passages. Good luck and keep us posted of the progress.
  9. bunkhouse

    2018 ZCON Atlanta

    2020, Denver Colorado.
  10. bunkhouse

    2018 ZCON Atlanta

    Branson, Missouri.
  11. bunkhouse

    Factory Manuals - Some.

    @Chickenwing Try nicoclub.com/datsunservice manuals. You may find the info you're looking for in the 73 manual do to the Dec. 73 build date.
  12. bunkhouse

    Leveling Out an RB25 Engine Before Fabbing Mounts

    As I understand driveshaft angles, the most important thing is to be sure the front and rear angles are the same.
  13. bunkhouse

    240Z Battery Area Advice

    I'd treat the area with a rust converter after ridding the area of loose rust. Ospho (it will seep into the seams) is my favorite but any acid (muriatic is effective but extreme, phosphoric is better) will convert the rust. Then a zinc rich primer and on to paint.
  14. bunkhouse

    L28 running on 5?

    A bit of research on Wikipedia shows that the sd33t was powered by a turbo diesel. That said, I'm going to assume that your L28 is fuel injected. Likely the injector on #6 is either not firing or gunked up based on the reported good compression and spark. A long screw driver used as a stethoscope will tell you if it's clicking like all the others. If it does click, the injector is probably plugged.
  15. bunkhouse

    Rust?

    The same problem exists on the underside with the undercoating. Air pockets that allow surface rust. Both surfaces (inside and out) need to be cleared of rust. Hopefully you won't find any spots that have rusted thru the sheet metal.
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