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Doug, that was the fix. Thank-you so much. Did the adjustment this morning. Works great. Again, Thank-you
NOw I have one more problem. After riding around today I noticed the oil pressure gauge would go all the way to L when stopped at a light or idleing. When I start driving it raisies up to normal. Like perfect.
Probably not. You may have a little bit of extra clearance in your bearings.
They will go up and down like that somewhat anyway. As the engine speed increases, the oil pump pumps more oil, filling up the clearances and raising the pressure.
If nothing is making any noise, you are probably O.K. If it starts knocking or the lifters make noise, then you aren't getting enough oil.
When you don't get normal oil pressure at normal revs, it's time for new bearings or a high volume oil pump.
I don't think you are there yet. If your idle speed is very low, you may want to increase it slightly if the needle drops way down.
You may want to run a little heavier weight oil now that the weather has warmed.
What are you running now?
Well the truck wouldn't start today. Mechanic says it "jumped time"...what does that mean. He said over 500.00 repair.
Any ideas? It would crank, but after mashing accel pedal to floor it would slow wooomp, slow woomp and not turn over just keep doing that then a light back fire.
Well there is a small sprocket on the crankshaft and a large one on the cam and something like a bicycle chain connecting them. When an engine "jumps time" it means that there was enough slack in the chain that it jumped teeth knock the 2 gears relationship out of sync.
It's possible that the distributor can move to knock an engine out of time, but usually a backfire is caused by jumping time or installing the spark plug wires in the correct order.
I'd say the mechanic was correct in his assessment. Repair involves pulling the radiator, belts,accessories, water pump and timing chain cover. Re-aligning the the cam and crank and installing a new set of gears and chain.
$500 is a fair price, but you could do it in a weekend max being a total newb.Someone with some expirence could do it in about 4-6 hours. If you get a Chilton's or Haynes manual and read it over first, you can decide if this in the scope of something you want to tackle. It's really not that hard and the manual will come in handy in the future.
OK- Went back to post #1- That 'splains it Lucy. The inline 6's have gears, there is no timing chain. I don't know if that eliminates the possibilty of it jumping time, but it does make it much less likely. A chain skipping teeth is not the only way that can occur ,though.
A broken rocker arm would explode the intake charge in the manifold. It is a very rythmic symptom. POP POP POP. And it is usually a pretty loud bang in the manifold. While it's not inconcievable that it could back-fire through the carb, it's not the standard MO.
An out of sync time fits the symptoms much better. That's why it was the mechanics first diagnosis and why I readily agreed with him.
As strange as it must sound to you , I think this guy may be OK. Keep us updated on what he says though, 'cause this ones on the edge.
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