d16z6 head problems
02-05-2007, 02:28 PM
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d16z6 head problems
hi im having problems with my head on my d16z6 in my coupe. ive recently installed a greddy header and high flow cat and now the car wont stay idle.. after i rev past 3k rpm something is like making a knocking noise inside my head.. can someone please help me. ... thanks in advance 
02-08-2007, 08:40 AM
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Re: d16z6 head problems (95ccoupe)
okay well its not my car its my friend and he has the same car but. he was driving once and he down shifted into second going like 70 and the whole thing just redlined for like 2 seconds. and the next day i gave him my greddy headers and my vtec solenoid and my valve cover. Everything seemed to work fine when we turned on the car and took it for a test run. It was running pretty fast too. But then he came back to me at night and he told me the problem. So everytime he revs it would start to make a knocking sound. Could it be the headers? or valves are bent?
02-08-2007, 08:43 AM
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Re: d16z6 head problems (95ccoupe)
A knocking sound could be a few things --
- Detonation (i.e. fuel igniting before the end of the compression stroke -- usually timint too advanced or too low octane fuel if you have high compression)
- Rod bearing starting to go (ouch - sound will come from bottom end)
- Bent valve or rocker (another ouch - sound will come from top end)
None of these are good.
- Detonation (i.e. fuel igniting before the end of the compression stroke -- usually timint too advanced or too low octane fuel if you have high compression)
- Rod bearing starting to go (ouch - sound will come from bottom end)
- Bent valve or rocker (another ouch - sound will come from top end)
None of these are good.
02-08-2007, 03:52 PM
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Re: d16z6 head problems (95ccoupe)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 95ccoupe »</TD></TR><TR><TD CLASS="quote"> he was driving once and he down shifted into second going like 70 and the whole thing just redlined for like 2 seconds.</TD></TR></TABLE>
Probably slapping him would be a good start for doing that
Probably slapping him would be a good start for doing that
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02-09-2007, 07:58 AM
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Re: d16z6 head problems (turbociviccoupe)
its not a loose valve because we tighten them and its still knocking.. and the car would just die after we gas it alittle.. i did slap him indeed.. on the back of the neck.lol but problem is still not fixed.. do you think i should just swap heads? and if so does anyone know how to do it correctly with pictures and everything?
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