Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Excessive heat? Please help.

 
Old 08-07-2004, 11:13 AM
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Default Excessive heat? Please help.

Sup guys,

over the past while i am noticing that the exhaust header bolts are baking(turning white, etc) and my spark plugs (gapped properly and changed often) are also turning white meaning they are heating up quite a bit as well.

My temp gauge stays in the normal range.

This seems to have started since i installed a y8 Intake Manifold and 4-1 Header about 10,000 km ago. Engine has close to 150,000km and i havent had this problem before.

The header bolts are soon gonna be on there permanently if i dont periodically loosen/tighten them.

My setup:

00 civic w/ d16y7
y8 Intake manifold
J's racing Intake
4-1 header (catless and throwing code 67 o2 sensor heater CEL) runnning into stock exhaust and aftermarket muffler.

Can anyone suggest what could be causing this?
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Old 08-07-2004, 02:28 PM
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Default Re: Excessive heat? Please help. (hondasport2000)

Put some anti-sieze on the bolts / studs

As far as temp goes.. are you running lean? take out a pic of your spark plug after running it up to operating temp and post it .. you can tell by looking at it.
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Old 08-08-2004, 05:44 AM
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I was told that i shouldnt put anything on the exhaust header bolts/studs.....is that wrong?

As for the temp, i think i am running lean, atleast thats what the spark plugs show.

Could it be from lack of fuel pressure? (ie. bad pump, fpr?)

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Old 08-08-2004, 06:08 AM
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Default Re: (hondasport2000)

seems like ur running lean from what u say about ur plugs..are u experiencing
any detonation?

or try running a premium gas and putting a colder plug
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Old 08-08-2004, 07:21 AM
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I am experiencing some detonation @ 3000-3500 rpm only.

I am currently running regular gas and OEM NGK plugs (less than 10k on them).
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Old 08-08-2004, 07:24 AM
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Definetly check your timing..
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Old 08-08-2004, 07:38 AM
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Default Re: Excessive heat? Please help. (hondasport2000)

I have a 1996 Honda Civic, D16Y7 with a Y8 manifold on it, so same engine setup as you. Go ahead and put anti-seize on the exhaust bolts. retorque your manifold bolts 500 miles after you did that manifold swap. As far as sparkplugs, you can go buy some expenzive one, or use a proper one with the proper spark and the proper heat range. NGK V-Power is used as OEM on a lot of used civics by honda and used car sales. ZFR5F-11 is the number for NGK spark plugs. Acually you can go to sparkplugs.com and get em there. Your gap is .044 for your sparkplugs. Check all your vacuum lines and coolant lines for your engine, cause this is a problem for people that manifold swap. For now, use premium gas, i reccomend that V*Power stuff from shell. Make sure you use these sparkplugs or something you KNOW is right cause that will cause problems big time. And yea, go check your fuel line connection. Also, since the manifold swap, did you reset your ECU to accomidate for the extra air from the manifold? If not, it could be ****** up. Disconnect the negative battery terminal for 3 minutes.

Mike
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Old 08-08-2004, 08:11 AM
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Default Re: (Jimmy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jimmy &raquo;</TD></TR><TR><TD CLASS="quote">Definetly check your timing..</TD></TR></TABLE>

I recently had the timing checked and valves adjusted.
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Old 08-08-2004, 08:19 AM
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Default Re: Excessive heat? Please help. (Redline96LX)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Redline96LX &raquo;</TD></TR><TR><TD CLASS="quote">Go ahead and put anti-seize on the exhaust bolts. retorque your manifold bolts 500 miles after you did that manifold swap.</TD></TR></TABLE>

I will put antiseize on the bolts and am going to retorque the manifold bolts are suggested.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Redline96LX &raquo;</TD></TR><TR><TD CLASS="quote">NGK V-Power is used as OEM on a lot of used civics by honda and used car sales. ZFR5F-11 is the number for NGK spark plugs. Acually you can go to sparkplugs.com and get em there. Your gap is .044 for your sparkplugs.</TD></TR></TABLE>

I am running the ZFR5F-11 NGK spark plugs, gapped @ .044.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Redline96LX &raquo;</TD></TR><TR><TD CLASS="quote">Check all your vacuum lines and coolant lines for your engine, cause this is a problem for people that manifold swap. For now, use premium gas, i reccomend that V*Power stuff from shell.</TD></TR></TABLE>

Checked the vacuum and coolant lines and all seems well.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Redline96LX &raquo;</TD></TR><TR><TD CLASS="quote">Also, since the manifold swap, did you reset your ECU to accomidate for the extra air from the manifold? If not, it could be ****** up. Disconnect the negative battery terminal for 3 minutes.</TD></TR></TABLE>

Since the swap, the ECU has been reset several times.....however when it is reset, for a short while after (hour+), the rpm's drop to approx 200 when i come to a stop....but it doesnt stall.

Thanks for the feedback so far guys!

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Old 08-08-2004, 10:07 AM
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bump
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Old 08-09-2004, 02:45 PM
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anyone else?
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