Engine & Internal Chat about beefing up your engine's insides here.

Need Help

  #1  
Old 04-11-2007, 08:33 PM
Thread Starter
Join Date: Apr 2007
Location:
Posts: 26
Default Need Help

Hi guys, I have a question here,. I just got back from a 8 hour drive and theres a strange sound coming from the engine. It sounds like a fast poping sound as if the header is open? But it only happens at high rpm and only when im in gear. I can rev it like mad when its out of gear and I dont hear it...and thoughts.
 
  #2  
Old 04-12-2007, 07:02 AM
Forty04's Avatar
Laced with Sarcasm
Join Date: Mar 2005
Posts: 15,279
Default RE: Need Help

Have you made any significant changes recently? Judging by your screen name I'm assuming that you have a boosted d series? Do you have any sort of knock detection? What engine management are you running and when was the last time you had your maps checked out?

I had "popping" on my boosted D too. I did nothing about it, and end up blowing the motor. Get yours checked, ASAP
 
  #3  
Old 04-12-2007, 09:09 PM
Thread Starter
Join Date: Apr 2007
Location:
Posts: 26
Default RE: Need Help

No its a stock (sept for I/H/E) d15b7. I have no idea what this could be....it only make the sound under load at high rpm. Im going out to run a compression test right now.....
 
  #4  
Old 04-12-2007, 10:58 PM
Thread Starter
Join Date: Apr 2007
Location:
Posts: 26
Default RE: Need Help

ran the comp test and the old girl is pumping out 175 psi +/- 3 psi. so thats fine...anyone have thoughts on this????
 
  #5  
Old 04-13-2007, 07:15 AM
Forty04's Avatar
Laced with Sarcasm
Join Date: Mar 2005
Posts: 15,279
Default RE: Need Help

Look around man. Search for holes in the exhaust, or anything out of the ordinary for that matter.
 
  #6  
Old 04-17-2007, 04:18 PM
Thread Starter
Join Date: Apr 2007
Location:
Posts: 26
Default RE: Need Help

Well I think/hope I've found the problem...I can see a carbon trail leading out of where the header bolts to the DP. Here are some pics. I guess I just need a new gasket and to bolt it in there tighter this time. Strange that it only make the sound under load though.



[IMG]local://upfiles/20097/99E835FF1436422DB952A385E64BFC73.jpg[/IMG]

[IMG]local://upfiles/20097/593EF20BEDAD4210AF590740485CB536.jpg[/IMG]
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
TunerShark
Inside and Out
3
09-23-2006 05:27 PM
rx9790
ECU Tuning & Fuel Management
0
11-01-2005 05:53 PM
Jas10hon
New Member Introductions
8
07-04-2005 10:35 PM
CivicCrazy
Suspension, Brakes, Tires & Wheels
2
11-29-2004 11:50 AM


Thread Tools
Search this Thread
Quick Reply: Need Help


Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.