I cant pinpoint what is causing a tick in my engine ( ford 300 straight 6 1978 f-150)

5

Asked by Jan 04, 2014 at 02:53 PM about the 1978 Ford F-150

Question type: Maintenance & Repair

Im pretty sure its a connecting rod because
I have a 454 big block on my 79 malibu and
it was the same thing.

1 Answer

1,090

A con rod sounds like youre hitting the engine with a hammer (knock), and that means a crank kit....crank shaft(machined down, under sized)cheaper, and rod and main bearings. A tick, push rod,lifter, or rocker arm, sounds like youre hitting the engine with a big screwdriver. Valve train noise (tick) is generally slower than crank noise because the cam turns at 1/2 crank speed.Stopping the spark will usually stop a knock If you short out each cylinder one at a time with a jumper wire to ground you can isolate the noise Dont do this if youre not mechanical the coil can kill you.......G'luck

Your Answer

Add photo

Related Questions

  • My truck is making a ticking noise 5 answers

    Got to work today and started hearing my engine tick, so of course I checked the oil and saw I was low, filled it up and rode around just fine until I hit the interstate, still getting a ticking noi...

    1995 Ford F-150 XLT LB

    -

    Maintenance & Repair

  • 88 f150 4.9 straight 6 stalling when engine warm 4 answers

    I start the truck runs okay then when it gets warmed up the rpms start bouncing around give it gas to try to save it and it ends up sputtering out. fuel pumps are engaging already drained tank complet...

    1988 Ford F-150 XLT Standard Cab LB

    -

    Maintenance & Repair

  • when I first start my F150 it has a loud ticking noise but then quiets down after it is warm but the noise is still there 1 answer

    F150 has loud ticking on initial start-up. but quiets as the engine gets warm. Although the ticking is still present but not as loud.

    2010 Ford F-150 FX4 SuperCrew 4WD

    -

    Maintenance & Repair

  • Tired Straight 6 6 answers

    I have a 96 F150 straight 6 4.9 liter with manual trans. I like the looks, size and ride of the truck. But the engine seems tired at 120,000 K and gas milage has plummeted. Eddie Baur with clean body ...

    1996 Ford F-150

    -

    Maintenance & Repair

  • I have a 1978 F-150, Value? 34 answers

    I have a 1978 F-150 Ranger 4x4. Short bed, Trailer Special.Step bumper,Receiver hitch. Factory lockout hubs,351m 4v New Holley carb,Edelbrock intake.C6,PS,PB, Factory air. Original interior in excelle...

    1978 Ford F-150

    -

    Shopping & Pricing

Search Ford F-150 Questions

Ford F-150 Experts

#1 OJ
OJ
Reputation 7,170
#2 dandyoun
dandyoun
Reputation 4,260
#3 tennisshoes
tennisshoes
Reputation 2,590
View All

Related Models For Sale

Used Ford F-250
484 listings starting at $3,975
Used Ford Mustang
308 Great Deals out of 45,395 listings starting at $2,000

Used Cars For Sale

2017 Ford F-150 For Sale
115,757 listings starting at $18,299
2016 Ford F-150 For Sale
149 Great Deals out of 30,216 listings starting at $8,950
2015 Ford F-150 For Sale
189 Great Deals out of 7,295 listings starting at $11,600
2014 Ford F-150 For Sale
425 Great Deals out of 12,239 listings starting at $9,995