76 300 strait 6
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Tuned
Joined: Mar 2005
Posts: 479
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From: Mesa AZ
76 300 strait 6
I picked up a 76 f150 last week, with the 300 strait 6 in it. Ive wanted a truck
with this motor for years. Truck seems to run strong after a fuel system cleaning. It does have a little tap that I suspect is a lifter , due to sitting for 2
years. I put a quart of trans fluid in the motor to help clean things up. Ill pull the v-cover this weekend and see if any pushrods are noticeably loose.
While doing some of the general maintenance , I decided to do a compression check. With engine warm, I had 120 across the board. Added a little oil and got to 140. Does this seem low?
with this motor for years. Truck seems to run strong after a fuel system cleaning. It does have a little tap that I suspect is a lifter , due to sitting for 2
years. I put a quart of trans fluid in the motor to help clean things up. Ill pull the v-cover this weekend and see if any pushrods are noticeably loose.
While doing some of the general maintenance , I decided to do a compression check. With engine warm, I had 120 across the board. Added a little oil and got to 140. Does this seem low?
Fleet Mechanic
Joined: Nov 2002
Posts: 1,643
Likes: 69
Not necessarily - it depends on the cranking speed, your altitude, etc. I would say as long as they are all within several psi of each other I would drive it. If it sat for a couple of years the valve seats may have some rust on them, which will get beaten off them with a little driving. Maybe test again in a month of driving with the engine warmed up.
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