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It does run good otherwise. Frankly nothing wrong with it that I can tell. I drive it on weekends, takes off well, Got lots of pep. Next weekend I plan on changing the oil, Ill take some video of what I'm talking about. It's whenever I hit the gas, POOF blue smoke. But also lets say I been driving for an hour, when I come to a light I see smoke from the tail pipe come up.monzaaddict wrote:How bad is the smoking? Is it when accelerating from a stop? What do plugs look like? Does it run good otherwise? A compression test and leakdown test would give an idea of condition of engine. I would start by changing the valve stem seals. I'm on long island and am getting ready to do the same in a 75 monza with the vega motor. I just bought the factory tools to remove the camshaft and valve springs.
283vega wrote:old s10 engine or iron duke
74Vegan wrote:It does run good otherwise. Frankly nothing wrong with it that I can tell. I drive it on weekends, takes off well, Got lots of pep. Next weekend I plan on changing the oil, Ill take some video of what I'm talking about. It's whenever I hit the gas, POOF blue smoke. But also lets say I been driving for an hour, when I come to a light I see smoke from the tail pipe come up.monzaaddict wrote:How bad is the smoking? Is it when accelerating from a stop? What do plugs look like? Does it run good otherwise? A compression test and leakdown test would give an idea of condition of engine. I would start by changing the valve stem seals. I'm on long island and am getting ready to do the same in a 75 monza with the vega motor. I just bought the factory tools to remove the camshaft and valve springs.
cosvega76 wrote:74Vegan wrote:It does run good otherwise. Frankly nothing wrong with it that I can tell. I drive it on weekends, takes off well, Got lots of pep. Next weekend I plan on changing the oil, Ill take some video of what I'm talking about. It's whenever I hit the gas, POOF blue smoke. But also lets say I been driving for an hour, when I come to a light I see smoke from the tail pipe come up.monzaaddict wrote:How bad is the smoking? Is it when accelerating from a stop? What do plugs look like? Does it run good otherwise? A compression test and leakdown test would give an idea of condition of engine. I would start by changing the valve stem seals. I'm on long island and am getting ready to do the same in a 75 monza with the vega motor. I just bought the factory tools to remove the camshaft and valve springs.
From what you're describing, I'd agree with the valve stem seal assessment. It's just a PITA job on the Vega engine.
So like a $1000 job? And someone who specializes in the 140 engine?
Chuck
74_Vega_GT wrote:http://forums.h-body.org/viewtopic.php?f=5&t=38330&p=278033&hilit=offenhauser#p278032
.This valve work with fresh cam bearings and titanium inserts on 3 stems are knurled maybe as it was long ago . No Smoke..lots of power...Still for sale
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