Classic Mustangs (Tech)Technical discussions about the Mustangs of yester-year.
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I have a 68 with a 6 cyl, 200 ci. I have been trying to get it running right and it seems like I have it narrowed down to the timing. I have compression tested all cylinders, and they all have 150 psi except one with 120. This doesn't seem too bad, but I dont know.
When I try to put the timing to 6 degrees before as per manual instructions, the car won't even start. But when I change the timing by turning the distributer as far as it can (advancing) the car will run and sound decent when in park or neutral, but when I put in gear it just stalls. So it has no power.
So from what I can see, something must be wrong with the timing... but I would like some advice on where to start looking... ANY IDEAS?
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I think 6 degrees should be the setting for a manual transmission, if its an automatic it should be 12 degrees.
Also like said above the timing marks can slip on the pulley. The pulley has an inner and outer section that is connected with a rubber dampening ring that can break down and cause the outer ring to move so the timing mark does not line up.
Also if it does stall only in gear and it is an automatic the idle speed might just have to be adjusted. If its a manual it can be set around 550, if its an automatic it needs to be set higher around 750. I know I had that problem with my I6 200, once warmed it would stall in gear, idled fine in park or neutral, I just upped the idle a bit and everything is good now.
thanks for the advice... I dont think the mark has slipped, but I'll check that gasket now. I already checked all of the vacuum lines against a vacuum diagram. Like said in my first post though, to run at all it has to be turned as far as possible, 12 degrees would not do much... Anymore Ideas?
If the chain and sprockets turn out fine, it might be that you just need to tune the carb some. I can't really help you there though since I haven't had a 1bbl on my 200 in almost 1 year and I no longer have the stock distributor.
The old chain had a ridiculous amount of slack in it compared to the new one, and the timing marks on the gears were almost opposite directions.... when supposed to be pointed towards each other. So, I put the new stuff on and the timing marks facing each other, and now the car starts, but the timing is still funny. When I get it to where it will run decently (turning distrib) the timing light says its like over 30 degrees before tdc. Any ideas.. also its not running that good... stalls and sounds like it has a miss.
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