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  1. O

    3 minute battery life…?

    If the battery terminal was welding HOT cut the cable back and install a New clamp on terminal. The weakest point in a circuit will become the hottest when attempting to draw a large amount of current through it. Check the voltage from the battery terminal to the rear of the alternator when...
  2. O

    Leaking Metal Fuel Line??

    What is wrong with all you guys??????? Go to the parts store (if you can find one still open ) and get a "coil" 25 feet of NIcoop "nickel copper" tubing and bend up your own. it comes in all sizes, will NEVER rust and can be bent by hand! All plusses!! Last coil I bought was ~ $25.00 Olnick
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    My 86 454 Conversion to Propane / Gasoline dual-fuel

    Looks great! Nice clean install! Back in the old days 1980's The City of Nashua NH was doing a test of alternate fuels for vehicles. My truck a Ford F250 was selected for the Propane conversion test. If I recall correctly the "Impco" injector was also used, the injectors were left in place with...
  4. O

    Looking for 13.5v-13.8v voltage regulator

    The regulators in the 1 wire set up are the EXACT same regulators that are used in all other "same style" alternators. The difference is the external hook up to make it a 1 wire system. The standard regulators (2 wire) can be adjusted externally only to INCREASE the output voltage. This is...
  5. O

    Quadrajet Spacers

    I mentioned the final solution to the problem in a fuel pump posting! The ultimate problem is not the heat but the excessive PSI provided by ALL the aftermarket pumps. My solution is to get a Holly F/p that is able to be dissembled (I don't remember the mod #) and REDUCE the operating PSI by...
  6. O

    Steering Column needs to be rebuild

    Here is the original "jazzman" article (pdf) from 2019 This has save me a number of times!
  7. O

    Let’s slay this dragon…

    here is a wiring diagram: https://www.mediafire.com/download/9ih3gy2t94wadpt/X8430_1984_GMC_CK_Light_Duty_Trucks_Wiring_Manual.pdf I have used this site for at least 10 years now all the downloads are OEM manuals This will get you out of trouble!!
  8. O

    Where to buy stock mechanical fuel pump that isn't trash?

    I had the same issue with getting a "GOOD" F/P that wouldn't flood out the engine every time I shut it off! After 5-6 years of dealing with WTF made in China junk the list of f/p's for different applications all ended up being the same piece of crap with a different name/model number on it...
  9. O

    vacuum # inches required for proper heater box operation!

    had the "blend door" vac can go bad replaced it checked all other functions/ installed back in truck ran all functions off of a vacuum pump. All systems worked as expected with selected option on heater control. Now with the engine vacuum hooked up none of the controls work? best I can get at...
  10. O

    EXCESSIVE oil leak - Burning off exhaust, but from where?

    Do what you just checked for a pressurized crankcase! Any time I get a leaker to work on, I seal off all outside access from the crankcase then I use the oil dipstick tube to put the air hose to it! I use a regulator set at 5-10 psi max. Listen with a piece of hose for any/all hissing. check...
  11. O

    Alt. signal wire

    From page #1 of the original problem: (Alt sense wire cooked) My first thought was that the voltage regulator was shot! As the "sense" wire does just that, sense the voltage of the "at use" voltage of the main electrical system in the truck. This wire only tells the regulator what the operating...
  12. O

    Quadrajet question

    I have owned my "78" since 1980 It has always had an issue with fuel! So 42 years later I finally get it to run like a champ! No more black puffs when starting when hot no more after run etc. etc. all it took was to get the book from Clif Ruggles read it and apply! My problem all along was NOT...
  13. O

    correct 1 piece gasket to use?

    Solution found! ! ! ! After three days I was able to finally fix the leak at the timing cover to pan joint! I was able to get a good part # for the 1 piece gasket with the one needed hole for the Psg side dipstick. Its an "Engine Tech" part # OC350-R this is only for the Right hand dipstick...
  14. O

    correct 1 piece gasket to use?

    Felpro os34510T This is the one with two dipstick holes and does NOT seal on the Dr side rail. The felpro 1881 would work?? but is cut out for a stroked block removing 1/3 of the sealing surface, not good in my eye. The one I just removed (Black silicone rubber) has "NPC1" "MN3981" cast...
  15. O

    correct 1 piece gasket to use?

    ORRR: opposite side of the block. DRIVER SIDE It doesn't have a boss extending out to support the additional hole in the gasket. Any part nos. Would be very helpful Thanks Olnick
  16. O

    correct 1 piece gasket to use?

    I have a 1982 SBC with the thick timing cover gasket and dipstick on the psg side. I cannot find a 1 piece gasket to do the job! I tried one of the Felpro that have two oil holes on the same gasket and there is NO way it will seal on the opposite side! any suggestions?? Thanks Olnick
  17. O

    No Spark, No clue...

    The quick and dirty test of the HEI dist is to turn on the ign to run position then hold a "soldering GUN " to the side close to the pickup coil this WILL provide a STEADY HOT spark if all is well with the dist! Olnick
  18. O

    2ND Aluminum Radiator Rotting out

    Test the antifreeze with a multimeter! I have the same mix for over 10 years now and it is as clean as when installed new! Olnick How to Test Coolant Begin with a cold engine. Remove the radiator cap and start the engine. Set your digital multimeter to DC volts at 20 volts or less. When the...
  19. O

    Heat/AC vents

    with the dash/pad out go the extra steps to remove the vent units when they are out you can remove the louvers and install"Soft" O-rings that just fit over the pivot pins. did mine about 6-7 years ago and still work better that OEM method!! Olnick
  20. O

    Am I Cursed by the Carburetor Gods? Or do I just suck with Carburetors?

    I'm with Dmack ! Installed new points/condenser did a major tune up sat all winter then had issues like yours! I KKNEW IT WAS THE CARB!!! finally got sick with it running like crap all the time. Put the O scope on it and Damn primary wave for was all wrong. The new condenser was bad my coil...
  21. O

    Starter Questions

    Redid my starter 25 years ago! built a "Frankinstarter" It was in February no garage No money! Out of my replacement parts (two additional starters out of who knows what) and the one installed in the truck. The one in the truck was a standard duty two pole starter. These are easy to locate as...
  22. O

    Keep Frying HEI Coils PLEASE HELP!

    Put a dwell meter on and I'll bet that the dwell is at MAX all the time. (dwell should change with RPM) Yes it will run however it will cook the coil quicker than you can say "oh shit"!! Olnick
  23. O

    Any such thing as a good Service Manual?

    I ran across this link about 5 years ago, yes it is still active, it has a lot of newer years as well all free for the download!! excellent work offered by a thoughtful person!! Good to compare one year to another. then you can print out the section you need and NOT get your book dirty. Olnick...
  24. O

    Complete a/c rebuild question or two

    If you are doing a new (clean system) check out "DURACOOL" it is a propane family refrigerant I installed it two summers ago and it still blows COLD. this is in a 1978 c15 that has all original components sans new condenser coil that caught a stone from the road. the A6 compressor is a touch...
  25. O

    APB - Check your cowl seam seals!

    I found the exact OSI product about 5 years ago! It is the ONLY product that is still in place! I used it to seal the seams on my deck to keep the rain/snow and other water from getting through and soaking my winter wood fuel. Now after 5 years in place I have two small drips that need attention...

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