Blessing or Curse? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 09-01-2001, 12:33 AM
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Blessing or Curse?

Are Chevy's made easier to work on simply because you have to do it so often? I love my Blazer but this is getting old. Front wheel bearing disintegrated in Athens, TN. Engine fire in Opelika, AL. Oil pressure wandering all over creation (15-60 psi). Quadrajunk just won't cooperate under load. Are these just normal problems with a 22 yr old Blazer or should I trade it off and start over? Blazer fits my needs perfectly but I am getting aggravated. Opinions, please.

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post #2 of (permalink) Old 09-01-2001, 12:44 AM
 
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Re: Blessing or Curse?

<font face="Comic Sans MS">Even a brand new truck can blow up on you... There are some things you should pretty much automatically expect to do on an older vehicle. Maintenance.. That thing has what, probably close to 200k miles? Anything will give you difficulties with that many miles... Is the gage accurately reading? (verified with mechanical gage?) Might be a good idea to replace all bearings in axles... At least check how much play they have. Change U-joints right now to prevent them from breaking. What caused the engine fire? Errant wiring? Backfire?

Keep in mind with this thing you know the history of it. If you get something else, regardless of how well you check it out, it might end up being a bigger POS than what you have now...</font>

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post #3 of (permalink) Old 09-01-2001, 01:07 AM
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Re: Blessing or Curse?

Thanks sandman, I needed to hear that. Actually has a crate motor in it w/ 20k mi but the rest is anyone's guess. The fire was due to a wire that got way too close to the exhaust manifold. Fried the ignition wires, three spark plug wires and the coil, also apparently melted the diaphragm in the fuel pump. You have a point, though, by the time I am done I will know the entire history.
'79 K5 w/ 350

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post #4 of (permalink) Old 09-01-2001, 03:58 PM
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Re: Blessing or Curse?

Sounds like normal occurances on a 22 year old truck that you don't know the complete maintenance history of.

Time to tune up the Quadrajet. It's the best 4x4 carb by far, and it sounds like yours just needs a tune up. Not to hard to do, but different from all the other carbs. That's why people end up getting frustrated, tossing them off, and installing a Performer or a Holley or something. Then the truck sucks offroad, and they get even more angry. Just get a good Quadrajet manual and it can be done. You also might want to make sure you have the right cfm for your engine.

1992 Blazer Sport, 350, 4L60, Rancho 2"[img]/wwwthreads_images/icons/tongue.gif[/img], 285/75R16 AT's, K&N, Flowmaster, MSD[img]/wwwthreads_images/icons/laugh.gif[/img]
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post #5 of (permalink) Old 09-01-2001, 07:19 PM
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Re: Blessing or Curse?

that's pretty normal stuff happening with your truck. the parts are getting old, thus replacement or repair is necessary. anyway, just get your carb cleaned up and tuned and fix whatever comes up.

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post #6 of (permalink) Old 09-01-2001, 08:24 PM
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Re: Blessing or Curse?

Thanks for the cheering up! I needed it. I guess I'll just fix it as i go along. My brain tells me that I could fix alot for the price of a new one. I and two others have tried to resurrect the Quad and neither of us are having any luck w/ the secondary flaps in the top. The throttle valves in the bottom come in fine, but w/o the extra air it is way too rich. I bought two manuals and they are too generic to help with my specific problem. Any ideas?

post #7 of (permalink) Old 09-01-2001, 10:23 PM
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Re: Blessing or Curse?

Are they Quadrajet specific manuals? I know 4Wheel & Offroad just did a rebuild of one in the last month's edition. Might have been 2 editions ago. Anyways, Hot Rod has also done some pretty in depth rebuilds over the past few years.

If all else fails, get yourself another one from a junkyard. GM used those things by the millions on all kinds of cars.

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post #8 of (permalink) Old 09-01-2001, 10:44 PM
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Re: Blessing or Curse?

hmmm....sounds suspicous to me. id bet money that someone removed a satanic-like blue oval emblem from your front grill and replaced it with a bowtie and you fell for thinking it was a chevy! well, just imagine spending a ****load of money on a brand new truck and having the same problems.....then you would know what owning a phord is like...

Mike ~
* Earnhardt Forever *

89 Chevy K1500 some goodies, but not enough! [img]/wwwthreads_images/icons/tongue.gif[/img]
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