dddz06

Cam Is In But There Is A Problem????
2001 ZO6
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I Have A Comp Cam 228 / 230 .588 .591 112 918 Springs Stock Retainers PUSH RODS ARE TSP,7.4 LENGTH. I Started The Car Up An Ran It At 2000 Rpm For 5 To 10 Mins An Shut The Car Off For 10 Mins An Started Her Back Up An There Was A Nocking Noise On Both Sides Of The Heads Can Some One Thell Me What That Is Or How Can I Fix That The Car Only Has 9000 Miles On It. ARE MY PUSH RODS TO LONG OR THE ROCKERS TO LOSE HELP

2xLS1

iTrader: (25)

Need more details. What procedure did you use to tighten the rockers? Did you mess with the oil pump when you installed the cam?

dddz06

I JUST PUT THEM ON AN TIGHTEN THEM DOWN THE OIL PUMP I JUST CHECK THE BOLTS TO SEE IF THEY WHERE TIGHT THAT'S ALL

2xLS1

iTrader: (25)

Did you use a torque wrench. They need to be torqued to 23 ft lbs.

dddz06

No I Did Not I Tighten Them By Hand After I Ran The Car At 2000 Rpm An Shut It Off An Started Her Back Up There Was The Nocking Noise

2xLS1

iTrader: (25)

Get a tq wrench and retighten them.

dddz06

So U Think That Might Be My Problem ?

cyphur

iTrader: (10)

??? Pull the covers and find out. Get the tq wrench and see how tight they are.

dddz06

Ok I Will Let U All Know Tomorrow

dddz06

i use the tq wrench an it work that was my problem,thanks know my engine light is on what can that be

badpewter-z

iTrader: (4)

most likely multiple missfire, a decent size cam will usally do that, once tuned out you will be fine, the computer sees what it tihinks is a misfire at idle and gives you the light