Awakening a 67 coupe
I'm helping with a 67 coupe that has been stored since 1989. No fuel in tank, fortunately. L79 4-speed, original motor, trans, diff. Was a TI car--amp is till in place, but distributor has been converted to points--with no ballast resistor added in the process. It needed points, they were burned and oxidized--what a surprise.
Got it running okay, then tried to time it, and that is when it got interesting.
I removed the vacuum line to distributor, and idle speed raised significantly. Hooked that back up, and idle speed went back to "normal".(900) I checked the vacuum advance can--correct 236 and worked just fine.
Decided to set the timing mark at 10 degrees before, and then rotate distributor until points sparked and then set the timing that way.
But another snag--I couldn't get the points to spark (key on, too!)--why not? Rubbing block on distributor cam would stay on the flat--couldn't rotate distributor far enough to open the points before the vacuum advance can limited rotation. Pulled the distributor. Guess what? Lower gear on backwards, with depression in gear pointed away from the rotor outer tip. Rectified that.
Time to put the distributor back in--why is oil standing in the valley on the top of the block just below the distributor? Must be a bad gasket on bottom of distributor? Nope. That gasket is fine. But the rear gasket on the manifold to block is pushed out, so that oil exits to where it lies on the block, and a vacuum leak is created. Time to remove the intake and replace intake gaskets.
PO said he stopped driving the car because he didn't like running it on the bad gas of the late 80's. I suspect he just couldn't get it to run right and parked it, blaming the gas.
BTW, the beautiful original pad has 030 stamped on it. Nice job by that machine shop, whoever/wherever it was.
Enough fun for one day! Can hardly stand the excitement!
Got it running okay, then tried to time it, and that is when it got interesting.
I removed the vacuum line to distributor, and idle speed raised significantly. Hooked that back up, and idle speed went back to "normal".(900) I checked the vacuum advance can--correct 236 and worked just fine.
Decided to set the timing mark at 10 degrees before, and then rotate distributor until points sparked and then set the timing that way.
But another snag--I couldn't get the points to spark (key on, too!)--why not? Rubbing block on distributor cam would stay on the flat--couldn't rotate distributor far enough to open the points before the vacuum advance can limited rotation. Pulled the distributor. Guess what? Lower gear on backwards, with depression in gear pointed away from the rotor outer tip. Rectified that.
Time to put the distributor back in--why is oil standing in the valley on the top of the block just below the distributor? Must be a bad gasket on bottom of distributor? Nope. That gasket is fine. But the rear gasket on the manifold to block is pushed out, so that oil exits to where it lies on the block, and a vacuum leak is created. Time to remove the intake and replace intake gaskets.
PO said he stopped driving the car because he didn't like running it on the bad gas of the late 80's. I suspect he just couldn't get it to run right and parked it, blaming the gas.
BTW, the beautiful original pad has 030 stamped on it. Nice job by that machine shop, whoever/wherever it was.
Enough fun for one day! Can hardly stand the excitement!
Comment