Jeep won't start, help

[galaxyk5blazer]

I have a '82 CJ7, 4.2L I6. engine just rebuilt. Howell TBI installed, CRT Performance GM distributor, stock intake & exhaust. I can't get it to start. Tried everything I know, still no luck. Timing set at TDC, changed distributor cap, rotor, module, new plugs. During cranking engine back fires thru TBI. Thought it was 180 out, that was worse. Checked all valves for proper movement, seem ok. If I move the distributor back fires worse. Jeep was running before engine was rebuilt until I bent a push rod. Same TBI, distributor. Any help will be greatly appreciated.

Mike

 

[Chip01TJ]

I have a '82 CJ7, 4.2L I6. engine just rebuilt. Howell TBI installed, CRT Performance GM distributor, stock intake & exhaust. I can't get it to start. Tried everything I know, still no luck. Timing set at TDC, changed distributor cap, rotor, module, new plugs. During cranking engine back fires thru TBI. Thought it was 180 out, that was worse. Checked all valves for proper movement, seem ok. If I move the distributor back fires worse. Jeep was running before engine was rebuilt until I bent a push rod. Same TBI, distributor. Any help will be greatly appreciated.

Mike[/QUOTE

Did any of your plug wires get mixed up?

 

[galaxyk5blazer]

No, I have reset everything back to TDC countless times.

 

[Chip01TJ]

As much as it sucks, anytime I had issues always went all the way back to the begining re-setting every aspect. Good luck. If I think of anything I will log in and mention it.

 

[superj]

you know its a timing deal so pull cap and wires and make sure you don't put wires going the wrong direction. also, make sure number one on distributor is really number 1 cylinder, maybe distributor isn't set back exactly right?

 

[galaxyk5blazer]

you know its a timing deal so pull cap and wires and make sure you don't put wires going the wrong direction. also, make sure number one on distributor is really number 1 cylinder, maybe distributor isn't set back exactly right?

That's the problem. I know for a fact that #1 is in the correct spot. Even went so far as to hand turn engine to #1 compression stroke, found the timing mark on damper, put a screwdriver into #1 , turned it until TDC, then set damper mark to TDC. Even at that it should have fired, even if it ran rough, getting plenty of fuel, tried shooting in some carb cleaner, that didn't help. What would happen if re-builder set timing wrong on chain?

 

[galaxyk5blazer]

I want to thank you all for your input. I hate to do this, but have no choice, it's beyond my knowledge. It's going into a shop on Thursday or Friday. I want my Jeep back. Remember when grandpa brought it home brand new.

Mike

 

[superj]

No problem man, the rebuilder setting the timing wrong would give the same problem, I imagine

 

[galaxyk5blazer]

I just started from scratch. Set timing mark on TDC, then pulled timing cover, valve cover. I found on #1 cylinder both valves closed. Timing mark on crank shaft points to the center of camshaft bolt. Timing mark on camshaft points exactly 180% away from crank shaft. I've looked at the manual and it shows the timing marks facing each other, lined up with center of crank shaft and cam shaft. Then turn crank mark to 3 o'clock, there are supposed to be 15 pins between marks. Is this correct? Any help is greatly appreciated.

Mike

 

[superj]

Rotate the crankshaft until the zero timing mark
on the crankshaft sprocket (1) is closest to and
on the centerline with the timing mark on the
camshaft sprocket (1).
86210
Remove the crankshaft sprocket, camshaft
sprocket and timing chain as an assembly
(B).
Disassemble the chain and sprockets.
86177
TIMING CHUN INSTALLATION
Assemble the timing chain, crankshaft sprocket
and camshaft sprocket with the timing marks (1)
aligned.
86210
With the key in the keyway on the crankshaft,
install the assembly on the crankshaft and
camshaft.
Install the camshaft sprocket retaining bolt and
washer and tighten with 108 N-m (80 ft-lbs)
torque.
NOTE: To verify the correct installation of the
timing chain, turn the crankshaft to locate the
camshaft sprocket timing mark at approximately
the one o'clock position. This positions the
crankshaft sprocket timing mark where the
adjacent tooth meshes with the chain at the
three o'clock position. Count the number of
chain pins between the timing marks (2) on both
sprockets. There must be 15 pins.



the pictures don;t want to copy but both pics show the two dots right next to each other so the sprockets need to be rotated

 

[galaxyk5blazer]

I dis-assembled above. The cam shaft is 180% out. There's a camshaft sprocket pin and it's in the wrong hole, (180 out). Can this pin be removed?

Mike

 

[superj]

i have no idea on that part. we'll have to wait for someone else to answer that one. does it pull out if you just grab it?