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By SPArKy_Dave · Posted
That's unlikely, IMO. Keep us posted with what u discover! -
Ive got a new rocker cover gasket so ill pull it off and give it a look. Just wondering would the atf burning off would have clogged up the cat?
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By SPArKy_Dave · Posted
Could be a bent push-rod also, however you'd usually hear the random ticking. I'd pull the rocker cover, and idle the engine with the cover off. Watch for anything obviously wrong. If you know how, I'd use a dial micrometer to measure valve lift on all 12 valves, look for differences in the recorded values. -
Well I just got back from taking it for a spin and its terrible. Putting the headlights on is now enough to stall it. I would rerun the compression test but my tester gave up the ghost. At first it ran great but as it warmed up its now just fucked. A this point im suspecting a fucked up lifter not holding when the oil thins out or a wiped cam. I hope its not the cam for this engines sake otherwise its getting a clevo. Real shame for such a low kms engine to be shitty like this.
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@SPArKy_Dave I reran the test and it got funky. I had 150 on all except cylinder 1 which was at 110. However this is where it gets funky. I poured some atf down the cylender and when i tested it it fucked my schrader valve. however after replacing it I cranked the engine to clear the atf and whatdya know its back at 150. I only got one reading before my compression tester finally gave up the ghost but now it has me hoping it was a stuck ring. I'm gonna leave it to sit for 2 hrs before clearing it and taking it for a drive and ill update you then.
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By SPArKy_Dave · Posted
You'd record slightly higher compression, on the cylinder with an exhaust valve stuck closed. Compression would appear fine, to the untrained eye. Look for compression that's a bit TOO good, in comparison to the others. -
Just went out and cranked it over. She sounds smooth with no funny spots. It does the same thing with or without the exhaust attached though I can try hollowing out the cat. Ive been driving it daily for about a week and a half like this and ive no change. If it was a cam/lifter/pushrod issue woild it affect compression?
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Sparkydave means, use the starter trigger wire with the key in off position. crank it over and hear if the engine goes waaa waaa waaa waaa weeeerrr waaaa every revolution, a different note on one cylinder. the fact it has even compression, suggests it should be fine. if it's been sitting ages (blocked exhaust etc) then it might be a valve sticking or lifter issue here and there. i'd still be inclined to run it more and see if it sorts it self out.
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