put on restrictor plates
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#8
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I had the ticking after the LT's and made some restrictor plates. Bought 4 gaskets from GM and not a problem except I broke the bolt off the LT's and had to drill it out, but all is fine now and 0 ticking. Hard to tell whats up until you find out what code is being set off.
#11
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the ticking noise could be from bad check valves in the AIR sys, i had one go bad on my 98 c5, just pull the hose on the aft of the ck valve and if you hear exhaust then the valve is bad
#12
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i had horrible ticking on mine just and i just had my headers installed in June.....i ordered the AIR block off plates from Speed Inc. and 4 new gaskets, got two new check valves at my local dealer......drilled a 3/16" hole in the middle of the block off plates and sandwiched them between two gaskets, installed the new check valves and now have zero ticking and no SES lights......just did this mod this weekend and i'm really pleased because i didn't want to remove the air system......
#14
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Originally Posted by slpss9723
i had horrible ticking on mine just and i just had my headers installed in June.....i ordered the AIR block off plates from Speed Inc. and 4 new gaskets, got two new check valves at my local dealer......drilled a 3/16" hole in the middle of the block off plates and sandwiched them between two gaskets, installed the new check valves and now have zero ticking and no SES lights......just did this mod this weekend and i'm really pleased because i didn't want to remove the air system......
#16
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Originally Posted by 777
Why would you not want to remove the air system?
#18
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dunno i drove 40 miles home from my folks house where i did the work and have driven around all this week and ran the car pretty hard a couple of times and no codes so i think you're good to go doing this, but only time will fully tell i guess......
#20
how the heck do you get these check valves off. My dad and i have tried getting these stubborn bitches off. I know you have to use two wrenches, but who the heck puts these on from the factory Lou Ferringno WTF?? any of u guys give me some tips is greatly appreciated!!