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  1. S

    Need advice on Tuning a Quad

    I'm going to tag you in the farming thread and answer your question there if that's alright.
  2. S

    Need advice on Tuning a Quad

    I think you'd be better off looking up a video on youtube, like SBC pinging, so you can hear it vs one of us attempting to describe it. I remember the thread on the trailer. I'm heading out on Saturday in my 84' C20 for a nearly 400 mile journey with the trailer. And I will return with 2...
  3. S

    Need advice on Tuning a Quad

    What @fast 99 is saying goes right along with what I was saying. @75gmck25 I didn't say 4 degrees was enough per-say, it might be or might not be but I'm under the impression the OP is building his knowledge base with these truck and I don't want him to think well Bruce is running 15 degree...
  4. S

    Need advice on Tuning a Quad

    Timing: You might get guys here that will tell you to advance it but don't. If the sticker calls for 4 run that. The distributor is calibrated for that base timing, also emissions plays a roll. 85' was a later emission year so little base timing was common. This was primarily done to...
  5. S

    Need advice on Tuning a Quad

    You have gotten great advise so far, and I'm not saying that you shouldn't enriched it some in the areas indicated, but! If you didn't have an AFR gauge you'd have no idea this was going on and you'd be a happy camper with what you have because it's running good. Most of us guys setting up or...
  6. S

    350 TBI in California

    I don't think anyone can answer your question definitively. It's probably going to depend on who does your visual inspection. But the emissions laws state factory, so you know they are going to be looking for a EGR valve and smog pump. I doubt that most of the guys looking under your hood are...
  7. S

    Defroster not working

    From what I can tell it looks like all the vacuum stuff is hooked up. Does this truck have A/C I assume it does based on the pics but checking anyway. If so will the heater switch from floor to vent? See if it's getting vacuum down to the box. Not sure I can be of much more help, but...
  8. S

    TH350 To a 700r4 transmission

    I've got the 305 / 700R4 and stock 3.41 gears in my truck. I'd love to have those 4.10's! With 3.41's it's loafing on the freeway at 60+ and when I tow it'll tow and haul what I ask it to, but it would be better with 4.10's or even 4.56's. I'm really hoping to get that done this winter. This...
  9. S

    86 K10 smoking under dash.

    So about 10 years ago I bought a 1977 Cadillac. On my way home from Portland (about a 200 mile drive) smoke started pouring out of the steering column. It actually did this twice on the drive early on and it was so bad it would burn my eyes and nose. After I got it home I drove it around...
  10. S

    86 K10 smoking under dash.

    Dash lights are powered by the tail light circuit. Less smoke will come from under the dash if keep your lit cigarette out from under it.... :)
  11. S

    5.7nhigh millage what oil do you use?

    I don't disagree with what you are saying, running it in a neglected engine to clean it out. But I do not think a person is doing any good substituting a 1/2 quart or more of oil at every change. All a person is doing is thinning out the additives designed to be there.
  12. S

    5.7nhigh millage what oil do you use?

    A good "heavy duty" or diesel 15W40 is great in a high mile motor with flat tappets since it is a little higher in zinc, and is what I like to run.
  13. S

    5.7nhigh millage what oil do you use?

    I think this is a carry over from back in the days when engine oil was non-detergent or not nearly as good of detergents as we have today. But for like the last 40 years or so I'd say this is a bad idea.
  14. S

    GMC Savana, Plus a Chevy Express Now Too

    Ya, I was given a silver Toyota P/U and drove it for a couple years in the early 2000's. I didn't like the silver color at first until I realized how well it hides dirt. Oh, I like the look of black, I just don't like the heat absorption or maintenance. My square as you both likely know is I...
  15. S

    GMC Savana, Plus a Chevy Express Now Too

    My wife has had a white minivan since 2005. I had a black Buick in the 90's and swore I'd never own another black vehicle, so we choose white for her minivan not realizing that it's just as bad if not worse than black where it comes to showing dirt, but at least it doesn't radiate heat like...
  16. S

    Sensor above oil filter 3 wire

    I know the feeling....
  17. S

    Sensor above oil filter 3 wire

    Yes this is my understanding. On that system did you get a full 12 volts? When I got my truck it had an Edlebrock on it installed by the PO. Took forever for the choke to come off. I can't recall for sure but it was feeding less than 12 volts up the wire. Maybe 6 or 8 volts? So I ran an...
  18. S

    Whats you gas mileage on your squarebody truck?

    I was having a conversation with one of the new guys at the shop about this. Our old trucks can get a really wide range of gas mileage depending on it's configuration. My dad when he had his 78' K20 stock 350 SM465 4.10 he pretty much got 10MPG whether he was communing to on a highway trip...
  19. S

    GMC Savana, Plus a Chevy Express Now Too

    I've always enjoyed those terms, the ones I use the most: Mexican tune up: Revving a carbureted engine up to around 3K or so and closing the choke off fully until the engine RPM is close to stalling, let the choke open until it revs up repeat a few times, in a effort to clear a little crap out...
  20. S

    Has anybody ever notched cab for more seat clearance?

    Seems like that easy button to me. A couple weeks off and all that comes with it!
  21. S

    Adding 81-82 bumper fog lights

    What @Ellie Niner is saying about fog lights is true. I have a set on my truck Hella 550's and love them, but yea you gotta flip them off above 25 or you just don't see as far out. Here they are great on rainy nights when I'm driving curvy roads, especially ones I don't know well.
  22. S

    Door handle spring part number?

    You'll need to either try to find some generic spring and make it work or buy a handle.
  23. S

    1/2 ton springs installed on 3/4 ton truck

    @Oliver Remove the rear helper springs for the back. How many leafs are in the rear on your? I think there was a 6 leaf and 9 leaf available, but regardless it's an old truck it's not going to have a cushy ride. With that said I've driven my 84' C20 several hours to get feed for the farm and...
  24. S

    transmission oil change

    Oh I didn't even realize, we are in trouble now!!!!
  25. S

    transmission oil change

    I would strongly suggest that you change the filter and filter but not for fluid mixing reasons but because the most common cause of not wanting to go into gear cold is a plugged filter. Let go long enough it can hurt the transmission. That fluid you quoted it probably fine. I'll admit that I...

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