I've noticed that when i gun my truck and it shifts at high RPM's it makes a high pitched sucking noise that sounds like the noise that the riced out civics make when they shift gears. Is this normal???

2004 f150 5.4
S&B intake
superchips programmer
33/13.50 tires

 

I have an S&B on my 5.4 and it definately makes some noise under hard acceleration. That's pretty normal for high flow intake systems. I hardly notice it now that I have installed my exhaust, that drowns it out.

 

i'm not talking about the noise it makes under acceleration, its the higher pitched noise it makes when shifting

 

Doesn't sound normal to me

 

belt from programmer- put a goodyear gatorback on it-phil

 

thanks! I'll give that a shot, where's the best place to get one?

 

my local parts stores carry em- do a google 4 goodyear belts webpage type in ure zip- i see you road race- ccs member here-phil