i just cant win,, help.....
Senior User
Joined: Jan 2013
Posts: 479
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From: Kingston, Pa. 18704
If you have good compression in those cylinders, you don't have burnt or sticking valves. That would show up on the compression test with a very low (or no) reading on those cylinders.
If you have, fuel, spark and compression and it still doesn't fire, your cam timing is off.
If you have, fuel, spark and compression and it still doesn't fire, your cam timing is off.
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Lead Driver
Joined: Jul 2011
Posts: 8,679
Likes: 191
From: On the Edge of the Desert
no offense taken jeff, I thought of that myself and checked it a couple times. they are correct.
area351, thats what I thought, so the valve possible still dosent explain it,
if the cam timing was off wouldn't the other 6 cylinders show some indication of it as well? even running on 6 cylinders ive got a good amount of power coming down....
craigerF100, its a GM HEI style distributor, the points got the boot...
heres another possible pointer, I swapped in 2 brand new plugs into 7 and 8 and ran them for a little bit, when I pulled them back out they were just as clean as when I put them in, there were absolutely NO deposits or oil/gas on them. this leads me to believe that there isn't any fuel getting to them.
area351, thats what I thought, so the valve possible still dosent explain it,
if the cam timing was off wouldn't the other 6 cylinders show some indication of it as well? even running on 6 cylinders ive got a good amount of power coming down....
craigerF100, its a GM HEI style distributor, the points got the boot...
heres another possible pointer, I swapped in 2 brand new plugs into 7 and 8 and ran them for a little bit, when I pulled them back out they were just as clean as when I put them in, there were absolutely NO deposits or oil/gas on them. this leads me to believe that there isn't any fuel getting to them.
Hotshot
Joined: Mar 2013
Posts: 14,255
Likes: 199
From: Phoenix, Az.
heres another possible pointer, I swapped in 2 brand new plugs into 7 and 8 and ran them for a little bit, when I pulled them back out they were just as clean as when I put them in, there were absolutely NO deposits or oil/gas on them. this leads me to believe that there isn't any fuel getting to them.
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Lead Driver
Joined: Jul 2011
Posts: 8,679
Likes: 191
From: On the Edge of the Desert
yea jeff that's right, factory dual plane intake fed by both barrels, I took the intake off and it is CLEAR. no obstructions of any kind...
so I ask ya, what the heck is going on here?????????????????????
so I ask ya, what the heck is going on here?????????????????????
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