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  • HMW
    replied
    That is wild. Can't figure how that happened unless something to do with the mounting of the intake. Probably the effect of someone elses work before yours. I only work on stock vehicles, never hot rods, so maybe the other guys would have seen this on after market intakes. Never seen it in a stock intake before. Always something new huh

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  • welder_one
    replied
    i took pics of it, but the crack doesnt show up at all. it goes from the top of the cam valley up the front fo the intake to the top. the crack follows the same into the carb. all the way up to the top. oh, well. got a new carb and intake anyway.

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  • HMW
    replied
    I have to agree with Jason. I have never seen one crack on its own, especially an intake. Somebody may have tightened one corner down real tight then did the other causing it to crack. Can't guess why the intake is cracked unless its at a bolt hole, or dropped or something

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  • Black Wolf
    replied
    Originally posted by welder_one
    "The carb body itself has a crack in the front of it and the base is warped 9 thousandths from corner to corner. the stock intake is also cracked. What would cause the carb and intake to crack up like that?
    Without looking at it and seeing exactly where it is cracked, I would guess either over-tightening the carb mounting bolts, or uneven bolt torquing. Causes wierd things to happen over time.

    Later,
    Jason

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  • welder_one
    replied
    i finally got my front drive shaft back from the shaft shop. the splines were worn so badly that it wouldnt pull itself, just slip. i have to put new u-joints in it now. i put one in two weeks ago. the one at the rear diff. now its time for the rest of 'em

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  • welder_one
    replied
    on my 3+3 dually, it had a performer carb on it and it would loose its prime after sitting. i had bought a fuel filter from jegs or summit, i cant remember, anyways it had a built in check ball to keep the fuel from bleeding back to the tank. it was an aftermarket in-line filter.well, the q-junk proved the reputation today. it started leaking fuel again (maybe the hard to start problem) and now it doesnt run very good at all. i took it apart and it looks like i am going to buy an edelbrock after all. the carb body itself has a crack in the front of it and the base is warped 9 thousandths from corner to corner. the stock intake is also cracked. i tore it down to the block and nothing there, but i am stumped now. what would cause the carb and intake to crack up like that? if i get time tomorrow, i will post pics of it. it can barely be seen up close, so i dont know how well it will show up in a pic.

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  • dabar39
    replied
    Quadrajunks are known to let the fuel leak down into the intake manifold when sitting for a day or two. Check the needle and seat and also check for a cracked float, that is also known to happen quite often. Dave

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  • HMW
    replied
    Sounds more like the choke isn't working right, just a guess though. Have never had to put a check in a fuel line before that i remember. I'd have to check on it but I think some fuel pumps have it built in. Also the only filter that was in the Q-jets was the one right at the carb. That is if my memory is right and I'm not thinking of something else. Its been along time since I worked on one. Everything I work on now is fuel injected gas/diesel. The float bowl should still be full even after a couple of days. That would be enough to start I would think. Does it start easy then quit?? You can operate the accelarator pump by hand to see if its really "out of fuel" after it quits.
    Just givining you some stuff to think about, good luck

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  • welder_one
    replied
    hmw, thanks for the link. i will definately give 'em a try. i am going to have to put a check ball in the fuel line. after a couple days of sitting around, it takes a minute to pick up fuel. i bought an in-line fuel filter once before that had a built in check ball. its time to start remembering all the stuff i "used to know"

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  • HMW
    replied
    I have bought a couple things from this place, ford stuff but they have chevy stuff too. Also JC Whitney has alot of stuff. lately though my local Chevy dealer has given me great prices.

    http://www.lmctruck.com/index.htm

    http://www.lmctruck.com/icatalog/cc/0053.asp

    Good luck, still running good??

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  • welder_one
    replied
    how about some cab mounts now.....i have checked with parts houses here locally and nope, dont have 'em is all i get. the cab mounts are completely shot and would like to replace them. anyone have an idea where to start?

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  • HMW
    replied
    LOl, squirting on the "outside" is not good I see the kit fixed that, glad to hear it. That is great mileage for that yr vehicle. I would have expected around 10-12.

    Black wolf thats a cool example of the different circuits, seems I've seen that somewhere before. Could it have been school....ha ha. I've forgot alot in 25 yrs

    JROC I agree with you, I work on both and both gas and diesel have their place. The gas engines are mostly Chevrolet and we have lots of them with over 200K on them. The Fords seem to do just as well. . We've often joked in the shop, we could replace a 5.7 gas engine for the cost of a set of injectors in a 6.0 diesel. But the 6.0 is a good runner when everything is right. Still hearing more rumors from our fleet people on a CAT/ Ford thing. That would be great. Good luck with your truck, I bet it makes it untill you retire
    Last edited by HMW; 10-01-2007, 02:48 PM. Reason: spelling

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  • jroc
    replied
    Gas Rigs

    Don't anybody cut a gas engine short.My rig is a 1990 Ford F-450 Super Duty. It has a fuel injected 460,E4OD trans and a Dana 80 rear I have over 550,000 miles on this truck. I jerked the engine at 325,000 miles and rebuilt it, the rebuild has 225,000 on it now.I had the trans rebuilt at 350,000 and its still going strong. I also put a new cab and front clip on it at about 375,000 miles due to all the salt we use in Michigan in the winter. The cab and front clip came from Alabama. I don't baby this truck one bit. This truck weighs in at close to 15,500 lbs. +/- 1000 lbs depending on what I'm hauling at any given time for a particular job. It runs up and down the road at 70-75 mph. I service the truck regularly at 3000 miles and do a complete oil change on trans once a year, thgats quite easy on this truck because the torque converter on these trans has a drain plug so I can drain all 19 quarts of tranny fluid. This has been a great truck and engine,trans and rear end combo for me. I only need to work 2 1/2 more years and I dont figure on getting a new rig, In fact I figure I'll keep doing a little side work so me and my rig will just be semi-retired. Anyhow enough ramblin, JUST DON'T CUT A GAS RIG SHORT Jim

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  • Bert
    replied
    Your truck is looking SOOO great!!!! Wish I had the expertise you do, but since I'm just getting into welding, I'll just concentrate on that first
    I'll let my friend do the mechanic work
    bert

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  • welder_one
    replied
    well, instead of spending money an a new carb, i tried my luck on the q-jet and a rebuild kit. sos far everything turned out well. it went back together pretty easy and tuned pretty good. i drove it around today to see about fuel usage and all that. i am getting about 14 to 19 m.p.g. down the freeway. pretty good for an old carbureted v-8 4wd. i have a couple more pics of the truck cleaned up.
    Attached Files

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