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11-04-2009, 05:04 PM
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Now there's Horsepower
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Somthing went on the topend!!
Had to go get my kid, when pulling out of daycare the motor had three power lags, almost like it was running out of fuel, then started clanking upon acceleration, not tapping, now it sounds like it is missing and running like shit. But I have been fighting with a rocker arm ticking when cold lately, then still a little noisy upon acceleration. I am thinking that it either flattened an lifter, popped the gasket between 5/7, or the cam finally flattened out. At work now so I have to get it home in the morning, take it really easy. May get that bigger cam afterall, maybe those vortecs!! We'll find out tomorrow,I think the motor is pissed because I put all of that work in the body and havent tinkered with it all summer.  What a way to start the winter, if it is to bad I will just park it and get a car for the winter,  
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85 S10 Blazer 383/700r4 4wd converted to 2wd/ 96 ZR2 in progress OEM Reninvented
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11-04-2009, 05:10 PM
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Gene, that don't sound so good. I hope for the best and you let us know the outcome.
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Kent
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11-04-2009, 05:21 PM
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Now there's Horsepower
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i will, compression test first thing tomorrow, see what that shows, go from there
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85 S10 Blazer 383/700r4 4wd converted to 2wd/ 96 ZR2 in progress OEM Reninvented
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11-04-2009, 05:24 PM
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Here today, Gone tomorrow
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Good starting point.
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Kent
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11-04-2009, 05:40 PM
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what kind of cam do u have? solid lift, roller? is there blow by? sorry to hear about your issue. welcome to my club of broken motors. lol
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11-04-2009, 06:39 PM
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I would definley suggest doing a compression test. The last one that I had that did that ate an exhaust valve about an hour after it lost power and started to miss.
Space
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11-04-2009, 06:54 PM
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Sorry to hear that Many.First thing I'd do is take valve covers off and crank it over and/or fire it.You might get lucky.See what is or isnt moving.Maybe a rocker nut backed off.Ive had pushrods go through stamped steel rockers.You might be able to figure it out in a matter of seconds.
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11-04-2009, 07:27 PM
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Quote:
Originally Posted by XTEN
................................. Maybe a rocker nut backed off.Ive had pushrods go through stamped steel rockers.You might be able to figure it out in a matter of seconds.
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Or, along the same lines, popped out a rocker stud, if it was a pressed in stud.
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11-05-2009, 06:58 AM
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Jeremy
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Sorry to hear that Many, Good luck with getting it fixed. Keep us informed.
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11-05-2009, 09:32 AM
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Now there's Horsepower
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gotta wait till this afternoon when the kid naps, she is in full terror mode, Hoping it is somthing simple like a loose rocker arm, it was vibrating pretty bad on the way home, the sound is definately topend, almost sounds like the pushrod hitting the valve cover, thinking either the rocker arm came loose, or it blew threw, its all speculation until I take it apart, there is no smoke at all so if the gasket popped it was between cylinders, burnt almost a quarter tank of gas driving 8 miles home, just hope for once it is cheap,trying to save money for kids christmas!!
btw everything is solid, no rollers, if I got to rebuild it, everything will be roller
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85 S10 Blazer 383/700r4 4wd converted to 2wd/ 96 ZR2 in progress OEM Reninvented
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