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  1. maxtwms

    Timing and Dieseling

    Is this the one you're referring to? https://www.summitracing.com/parts/cst-cvc1038-ss/overview/year/1985/make/chevrolet/model/k10 $45 seems kind of pricey and I'm not sure this is the current design I have on there now. I'm trying to imagine this connecting to the pump and carb and I just don't...
  2. maxtwms

    Timing and Dieseling

    New tag should help Sent from my SM-G935V using Tapatalk
  3. maxtwms

    Timing and Dieseling

    Any benefit in getting a braided ss one? Sent from my SM-G935V using Tapatalk
  4. maxtwms

    Timing and Dieseling

    While I'm thinking about it... Look at my plugs! They have been oil fouled and I'm not sure how big the culprit is... :-/ Sent from my SM-G935V using Tapatalk
  5. maxtwms

    Timing and Dieseling

    I removed the carburetor to rebuild and set my engine at TDC on the compression stroke so I can check my distributor next. Then I'll throw on the clean carb and never know which thing made the largest difference. Oh also I'll need a new fuel line.. Sent from my SM-G935V using Tapatalk
  6. maxtwms

    Timing and Dieseling

    Alright, so I finally got around to finding TDC and found that the original mark was off by 26.5°! I'm glad someone mentioned the rubber dampener allowing the outer cast ring to move. I found this using the piston stop. The orange dot is the original mark and the 2 small silver lines are where...
  7. maxtwms

    soft top info

    I can't see any of the images but have you looked at https://www.bestop.com ? Sent from my SM-G935V using Tapatalk
  8. maxtwms

    Timing and Dieseling

    The timing is consistent when I'm watching it with the light if that's what you mean. I bought a piston stop usually used for chainsaws so that I could find true TDC. I also replaced all spark plugs and wires. I bought a carb rebuild kit for my Holley 4175. Once I have applied all that, I can...
  9. maxtwms

    Best 4x6 LED Bulbs?

    Im looking for this Xtrabright... Could you by chance mean Xtravision? https://shop.advanceautoparts.com/p/sylvania-h6054-xtravision-sealed-beam-headlight-box-of-1-h6054xvbx/5081742-P?searchTerm=sylvania
  10. maxtwms

    Timing and Dieseling

    BTW, when I had about 20" vacuum, it was before I set the time to "12deg" and it was probably running about "50deg" initial mech timing at that point. I quote 12deg because Im not sure if the outer ring is clocked correctly as was mentioned earlier. I quote 50deg for the same reason but also...
  11. maxtwms

    Timing and Dieseling

    Im not sure about the oil pressure because the gauge reads pegged at 60. I dont believe the gauge is bad either since it moves when i turn the key to acc. Ive been told I have a high volume or high pressure pump or something like that.. another issue to look at. Regarding the timing terms. Im...
  12. maxtwms

    Timing and Dieseling

    Ok I'm not educated enough on the subject but before, I was dieseling just a slight bit every now and then. Then when I turned my distributor to bring the mechanical timing to 12deg btdc, the dieseling got worse. I could not imagine retarding my timing further. My truck might just disassemble...
  13. maxtwms

    Timing and Dieseling

    Wait.... Too far advanced??? You mean retarded too close to TDC right? I'm def not too far advanced. I don't doubt that the idle circuit could be clogged though. Trying to get a 3-206qft kit here Thurs Sent from my SM-G935V using Tapatalk
  14. maxtwms

    Timing and Dieseling

    Exactly my thoughts. I did see the page with the 13 scenarios. At first I had about 19inhg flickering which I thought was good (supposedly a diff cam which I chalked up to PO saying engine was rebuilt) and was excited but once I moved the timing more towards 12, the vacuum dropped and I was...
  15. maxtwms

    Timing and Dieseling

    Man this would make so much sense if that's the case.... Bad timing would/could be the source of all of my problems. I'll suck it up and check once and for all my TDC. If nothing else I sound like I know cool things. Will report back. Thank you sir Sent from my SM-G935V using Tapatalk
  16. maxtwms

    Timing and Dieseling

    I haven't checked the brake booster since it was a solid tube. Prob neive for me to ignore but I'll check. What do you mean by balancer breaking free from rubber? I'm not entirely sure how they are mounted although id assume they are keyed in some way. By TDC Mark is a machined notch hilighted...
  17. maxtwms

    Timing and Dieseling

    A few problems I suspect and maybe y'all can point me to the likely culprit. I have no fuel filter and run ethenol free gas (just realized today idk the octane) At some points in the tuning process (while learning) the mixture screws had little to no effect on engine. Even when turned completely...
  18. maxtwms

    Timing and Dieseling

    Alright I'm pretty new to this and this might be my first post so here goes the issue. I have an 85 K10 with what I'm told was a "rebuilt" 305 (no clue why). It has a Holley 4175 650 cfm and 4 spd manual trans if that matters.. I went to set timing, idle and mixture so here was my approach. I...
  19. maxtwms

    Craigslist 3/4 axle swap from 1/2

    Thanks everyone. I'm learning a lot on here. I used to come to look at interior and electrical and eventually made my way into engine, suspension, and running gear. This is a gold mine of info. Just to clarify, what gears are these? I noticed in one of the other threads they only made one set...
  20. maxtwms

    Craigslist 3/4 axle swap from 1/2

    Hello GMSB! Ive been a lurker here for quite some time and have just now begun work on my surprisingly well maintained 85 K10. The truck has a 305, Holley 600, 4spd, 3.08 gear setup. My previous 85 K10 had the same aside from a crate 350 and 3/4 axles (not sure of the gears) and I would like to...
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