Flat Head Knock

[HOILERAUTO]

i hear a light knocking noise from my 239 flat head,noise seems to be towards the front of the engine,has good oil pressure.the noise goes awawy when the rpms are brought up a bit i removed one plug wire at a ime to try and pin point noise,but the knock didnt seem to change-i am stumped -i suspected a wrist pin maybe??? any suggestions?

[petey shoes]

got a crab distributor? could be the cam is moving forward. are you sure it,s not a water pump?

[HOILERAUTO]

Originally Posted by petey shoes

got a crab distributor? could be the cam is moving forward. are you sure it,s not a water pump?

not a crab type distributor,and water pupms are new

[needhelp49]

ck your fuel pump rod

[HOILERAUTO]

Took Belts Off -noise Still Thee It Is Defintiley In The Front Area Of The Engine

[petey shoes]

cam gear-cam thrust-dist gear or bushing-generator bearing/bushing-vacuumn advance

[HOILERAUTO]

i pulled the oil pan down last night to start checking the rod bearings checked #1 and #5 sor far -both look good,will check the rest tonight,how can i tell if i have a bad wrist pin bushing with out taking the pistons out??

[Snowking]

I guess pull the oil pan disconect the rod and see how much wiggle room, but that's just about as hard as pulling the pistons out.

[leonharu]

I had the very same problem and it's fixed.Go back to earlier post called Flathead Knock!

[55 f350]

well leonhau i wish the search engine on here would find it for me !! i have ? had a knock that i think i have diagnosed and am getting ready to cure , but as a first time flatty owner im always ready to learn ANYTHING !!!!!! i can from anyone and everything .