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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a) you sure your timing marks/light are correct ?
b) check for vacuum leaks
c) where is your vacuum advance hooked up?
302ci, Edelbrock RPM heads and cam, 650 Holley DP(Ultra Street Avenger), Hooker Long Tube headers and Flowmaster 40s
Quick Performance Racing 9" rear, Moser axles, 3.5:1 trac-loc from FRPP and T5 transmission.
CSRP disc brakes front and FRPP discs back. http://www.gascc.ie
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?
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