KILLA E

So my car has been running fine but today on the highway after maxing my top speed at 145 i seemed to have developed a knock... what do u guyz think it is? dead wire? bad plug? lifter? it doesent do it after about 40 mph....any suggestions? thanks...

primetime5.0

how many miles on the car?

KILLA E

hey, 116,000 miles

Twisted

Does it knock at idle? Does the knock increase in speed with engine rpms? How's your oil pressure?

Ninety5five0

lots of variables here. i had broke a rod in my quad 4 beretta, and it sounded like hell, especially at high R's. Did you lose any power ?

KILLA E

oil pressure is fine, no loss of power and at idle it is very faint, then at 1000rpm to 1500 it gets louder then at 1600 and on it goes away...what the hell?

SSKiller

You very well could have spun a rod bearing. Putting an a load on a engine with high miles for that long tends to do that.

KILLA E

you call 116k high mileage? and i only went 145mph for about 10 seconds

ckyguy68

ya and how long were you full throttling it to get to 145?

i was also unaware that you could go 145 with 4.10s........

Archion

One other thing ppl tend to miss is the oiling properties of a small block ford, at high rpms the oil is being pumped up top faster than it can drain back down, you will starve the engine for oil and risk damage.