I am now running a 4.1 pulley,but i run on e85 only.I would stay on your 4.6 if you are running on 93 only,with no head studs or gaskets.I make 17 psi of boost with that pulley.
The good thing about these is the nt555r did not come in a good 17 in wheel size.I think it only went up to a 275.These new ones come in 305/45 and 315/35 17.If they hook like the old 555r's and have these new sizes it will be great.
Is your car running lean??I had stop working at the end of a pull and lund told me it was because my fuel system was maxed out and the fuel trims could not make adjustments fast enough.Dont know how true thst is.Also do you have 02 extensions on??I have seen them get corrosion in the connector...
Absolutley,i have my car miss and sputter with the fore hat and 2 pumps on a hard launch with 1/4 tank of gas.If i am having fun or racing my car i keep atleast 1/2 tank or damm close to it.People can guess on hear for days but without a data log you will not know what happened and engine...
I would not mess with power power hour,bought a rebuild kit and the filter they sent me waz from china.The neck was so flimisy i was scared it was going to crack when trying to seat the filter.Well it didnt seat and after changing out the fluid and other things i needed to do the filter ending...
I was refering to guys bottoming out the install bolt,their have been.few cases stated on this forum where that has happened.Also there is been guys break harden bolts but i believe it was taking the dampner off.If i were installing an ati balancer which i just helped my buddie do his whipple...
Thats why you dont use a crank bolt to tighten down an aftermarket balancer.You use a balancer install tool.Using the crank bolt you dont know if the bolt is bottomed out or if the crank pulley is all the way on,also take a risk of breaking the crank bolt off.When i put my stock balancer back on...