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

1,150

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

Ford F-150 Experts

  • #1
    OJ
    Reputation
    9,100
  • #2
    dandyoun
    Reputation
    4,580
  • #3
    tennisshoes
    Reputation
    3,140
View All

Related Models For Sale

Used Ford Mustang
613 Great Deals out of 36,332 listings starting at $899
Used Ford F-250
475 listings starting at $2,550

Used Cars For Sale

2018 Ford F-150 For Sale
63,668 listings starting at $21,482
2017 Ford F-150 For Sale
124 Great Deals out of 60,053 listings starting at $14,369
2016 Ford F-150 For Sale
138 Great Deals out of 8,039 listings starting at $16,995
2015 Ford F-150 For Sale
377 Great Deals out of 11,618 listings starting at $15,591
2014 Ford F-150 For Sale
513 Great Deals out of 14,515 listings starting at $9,999

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.