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Heavy vibration at highway speed under load
Following up, the vibration under load/throttle, that stops when coasting, makes me think my differential is failing. I surely have almost 1/2 turn of slack/lash in the driveshaft and often a hard CLUNK going into reverse or forward from parked. I'm going to pull the plug and check the gear...- BRetty
- Post #2
- Forum: Differential & Driveline
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Heavy vibration at highway speed under load
All, Per the title, my '73 C10 (350 sbc, th350c (but TCC not wired up)) has very recently started to vibrate severely on the highway. It seems to maybe start around 35mph, jumps up around 45 and is shaking/rattling through ~75. It is only under throttle -- if I let off the throttle it coasts...- BRetty
- Thread
- Replies: 28
- Forum: Differential & Driveline
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What have you done to your square lately??
If you wanted to DIY the lock change and save $$$, an new ignition lock cylinder can be ordered for ~$25, and a package with a pair of door locks would be $50 max. (I bought my square with no door keys, changing that cylinder was the first thing I did myself. Door and ignition each require a... -
What have you done to your square lately??
Hooked up with a Ford girl ... how broad-minded. -
What have you done to your square lately??
... so I left with my "Irish Burrito" - with potatoes, no eggs, triple ham - and got to my truck when I realized that if there was a very local place to get this quadrajet gasket, these guys would know! I was partially right. They sent me to Superior Auto Parts in Sylmar. Great place, no... -
What have you done to your square lately??
So that huge pile of carbs.... My truck ('73 C10, 350, quadrajet M4V) has been refusing to start cold, requiring a splash of gas in the top of the carb to fire up. I finally decided to address it the morning I had left my gas can at work and had to siphon some gas from my tank into a plastic... -
What have you done to your square lately??
I'm just gonna post this pic here, promise I'll explain later ETA: -
What have you done to your square lately??
Joe Biden: LOOKIN' GOOD! Impressed you got him to advise on your project, but of course his vintage Corvette shows he's a Chevy guy. -
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What have you done to your square lately??
I hit "Like" but that's not really right. Who the heck is buying or leasing all these properties, outbidding and driving established businesses out? It can't all be weed grows like happened in California. Some of it might be property owners not tolerating any "dirty" uses, fearing they may be... -
What have you done to your square lately??
Great!. I appreciate the feedback -- I really do get lost looking at the combination of 1973 GM parts catalog scans and the tangled webs of 70's carb/fuel/emission systems. I was just this aftn trying to check my engine with a vac gaunge. I discovered that I need different size/dia vacuum... -
What have you done to your square lately??
You know, the little choke cam there is kind of inspirational. Christians might see the symbol of a Dove, those from the Southwest might see a symbolic Phoenix, rising from the intake manifold: Perhaps this represents Icarus, his dreams melted by hubris, or Daedelus his father who knew... -
What have you done to your square lately??
I agree. Somehow, even though I have a degree in Mechanical Engineering, reading manuals or even looking at diagrams about carbs makes my eyes glaze over. The linkage has a couple tiny studs on the end to keep it on the cam, it looks like I have to un-hook the tiny cotter pin from the other... -
What have you done to your square lately??
I finally got up to the shop on Sun aftn, with big plans to change oil, replace valve covers, check fit and filler neck for my new fuel tank.... Ended up commiserating with the boss who was there all weekend catching up on bookkeeping and paperwork, mostly CA sales taxes. Then I spent more... -
What have you done to your square lately??
Finally bought a new fuel tank and sending unit. My truck came with an '87 fuel tank (installed by PO) that was meant for fuel injection and has plastic baffles on the bottom. With a normal sending unit, the float comes down until it rests on the baffles like a ship on a reef -- meaning the... -
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Carb Swap?
Not to threadjack, but it looks like you have much bigger problems than your carb. From the pictures, the cold light, the lack of color saturation, you are living in the world of "Battlestar Galactica" or "The Road" -- a dystopian sci-fi near-future hellscape! I'd stop futzing with your carb...- BRetty
- Post #34
- Forum: Carb Fuel Systems
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What have you done to your square lately??
Very clean! Where did you end up getting the Borgeson shaft? Also, does this replacement eliminate the rag joint at the steering gear? Or would the one you got not work on my '73 C10? -
Funny sound, look what he found
@Bennyt, What? You can't get enough of dense technical discussion of torsional vibrations?!?! Boy Howdy I have a treat for you! Yout think an V-something auto engine has vibration pitfalls? Try the Pratt & Whitney R-2800 "Double Wasp", the 18-cylinder, 2x9 dual radial, air-cooled monster... -
Hi from Ventura CA
I think Doc's Garage is the place my neighbor with his '69 F100 was telling me about.- BRetty
- Post #9
- Forum: Introduction
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Rear Shock Extenders
My truck (73 C10) was lowered by the P/O, 4.5/6.I had no problems with the rear, but when I replaced ll the shocks a few years ago, I also installed drop shackles in the rear. Looking at the angle of the shocks before, it was over 45% angle from Vertical and that wasn't helpimg me much. The...- BRetty
- Post #3
- Forum: Lowered & Street Systems
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Another exhaust options thread - what should I do?
I was at UT's second-to-last show at Mississippi Nights, 1994. Grew up near Alton, IL, in the 80's. I knew nothing really about UT and my friend and I just randomly got tickets, along with 1/3 of StL that night. "Chronic Impending Disaster" is an all-time favorite phrase of mine. Should be...- BRetty
- Post #28
- Forum: Engine & Performance
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What have you done to your square lately??
I have many things to do on/to/for my truck, but this week was slammed at work, starting at 6AM to beat the heat and 11-12 hr days, so all i could do was fill her up with 91 octane and a can of Seafoam, kind of a lame little gesture I know, I hoped she wouldn't be mad at me. OMFGWTF!!! She's... -
Another exhaust options thread - what should I do?
It sounds like your real issues are with old/loose hangers and mounts causing the rattle. You almost certainly have exaust leaks which can be loud and can sound like all sorts of other "bad engine things" -- that will both make you paranoid and might even mask actual "bad engine things". My...- BRetty
- Post #22
- Forum: Engine & Performance
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New member from the commonwealth of Massachusetts
When I was in the Commonwealth, there were signs on all the bridges into Cambridge, "You are now leaving the American Sector" Welcome. The Glorious Worker's Paradise of California doesn't have snow, at least. BRetty- BRetty
- Post #8
- Forum: Introduction
