Cougnut Posted September 6, 2011 Report Share Posted September 6, 2011 Hey guys, After doing so much maintence to my 91 z34 (tires, belts, egr valve, idle air control, few other misc things). The engine started making this horrific noise (sounds like it's trying to make kettle corn, with two midgets fighting each other to the death in there aswell). It's SUPPOSE to be my daily driver from work and back... So... I have to know; what's the average price for an engine rebuild on the 3.4? I know it's going to be costly. I'm at about 99.5k miles on it. It's currently just sitting in my driveway. Thanks in advance.. Quote Link to comment Share on other sites More sharing options...
birdman Posted September 6, 2011 Report Share Posted September 6, 2011 Just grab a motor from the junkyard and swap them out. Quote Link to comment Share on other sites More sharing options...
xtremerevolution Posted September 6, 2011 Report Share Posted September 6, 2011 Just grab a motor from the junkyard and swap them out. What he said. Nobody rebuilds these engines when you can pull a running one from a junkyard for under $300. Quote Link to comment Share on other sites More sharing options...
Breakdown Posted September 6, 2011 Report Share Posted September 6, 2011 Just grab a motor from the junkyard and swap them out. I don't support this idea, with all due respect. When we swapped my engine we made sure that we had a good running donor car, with a horrible body, and that was by design on my part. It's one thing for some jerk to tell you that it is or what or whatever running properly, it's another thing to have a car that's wrecked or rusted in your driveway that's body's not willing, but internal organs can go on. This is also helpful for swapping some of the year-dependent junk as well. Just my two cents. Quote Link to comment Share on other sites More sharing options...
GOT2B GM Posted September 6, 2011 Report Share Posted September 6, 2011 Better to buy a whole running donor car that you can verify the operation of the powertrain before investing all the effort. Quote Link to comment Share on other sites More sharing options...
Andrew Posted September 7, 2011 Report Share Posted September 7, 2011 a crate engine pops up on Ebay every now and again. Just under a grand i think. Quote Link to comment Share on other sites More sharing options...
Oilpatch197 Posted September 8, 2011 Report Share Posted September 8, 2011 Hey guys, After doing so much maintence to my 91 z34 (tires, belts, egr valve, idle air control, few other misc things). The engine started making this horrific noise (sounds like it's trying to make kettle corn, with two midgets fighting each other to the death in there aswell). It's SUPPOSE to be my daily driver from work and back... So... I have to know; what's the average price for an engine rebuild on the 3.4? I know it's going to be costly. I'm at about 99.5k miles on it. It's currently just sitting in my driveway. Thanks in advance.. Right now your TOP PRIORITY is to get the car going. I kinda agree with the others, a SALVAGE yard unit(those motors are usually pulled) is your best bet. Get this car going ASAP. now if it was a project car, definitely I would do a good rebuild from a machine shop that preferably builds racing motors.(they KNOW what they are doing) once you get the salvage unit in then you can tinker around with this motor, it still might be fixable.(economically) BTW I noticed you said the car has 99.5k? That is very low mileage! Quote Link to comment Share on other sites More sharing options...
Hairdo12 Posted September 8, 2011 Report Share Posted September 8, 2011 Before you consider the engine a total loss, did you thourghly check it out? You sure it's not a bearing in an accessory that went bad and is making tons of noise? Did you run a compression test to see if you still have compression at all cylinders? Did you verify the timing of the cams to make sure the timing belt didn't jump a tooth? Sorry I'm not too sure what two midgets fighting and eating kettle corn is like when imagining a motor making noise lol. Any unusual color smoke out the exhaust? Let's say it's a cracked cylinder head, that is easier, quicker and cheaper than a motor swap. Quote Link to comment Share on other sites More sharing options...
thikstik Posted September 9, 2011 Report Share Posted September 9, 2011 (edited) I agree about checking it out first. Theres something that changed rapidly after the tune up. I dont see why external items wouldve caused internal damage. What about plug wires out of order? Maybe something got inside valve cover thru oil hole? Maybe its valve train related. Is engine a gummer? That thing should be good for another 100-150k miles its had some maintenance. Edited September 9, 2011 by thikstik Quote Link to comment Share on other sites More sharing options...
Cougnut Posted September 10, 2011 Author Report Share Posted September 10, 2011 I think I'ma get rid of it, if anybody needs any parts off a 91 z34, lemme know Quote Link to comment Share on other sites More sharing options...
digitaloutsider Posted September 13, 2011 Report Share Posted September 13, 2011 Where are you located and what condition is the car in? Quote Link to comment Share on other sites More sharing options...
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