Stock regulator is at I believe 39psi no vacuum, which is fine for a stock motor. If you have a heavily moded car, i.e. supercharger,heads/cam,n2o - then adjustable fuel pressure regulator will play a big role in properly tuning your car.
waterpump
Make sure you scrape the surface good where new water pump gasket will go, use permatex ultra blue sealant available at any local auto-parts store, make tight but dont overtighten for those water pump bolts will break, and once one breaks in there, its not gonna be fun to get out...I...
Hydraulic Roller Lifters are pretty cheap considering how many you get for about $105 (16) , If you are putting in a new cam DEF. replace them, if you are concerned about it and have motor apart put them in... www.mustangsunlimited.com has good deal on the Ford Motorsport ones, thats where I got...
Damn bro, thats pretty bad, even worse then stangnets' hosting.
I would complain to people who put engine together if you had a shop do it, bring it to them immediatly.
It is most likely something bad in the bottom end, which is worst fear. Good Luck with it!
on pony rims, is it better to put a 245/50 on back or 255/50? I want to get the max size I can fit without any problems, I ran 245/50's for a while now it's time for some new tires, I wanna go bfg 255/50's, will their be any problems?
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