Y-pipe installed: still have questions
07-26-2001, 12:56 AM
#1
Member
Thread Starter
Join Date: Jul 2001
Posts: 79
Installed the Y-pipe today, and it sounds great; a nice V8-sounding rumble. However, when I did a few quick revs of the engine while it was still up on jacks I noticed that the engine seemed to hesitate when returning to idle and was accompanied by a kind of paper-flapping sound. Any ideas?
Also I have not noticed any significant power gains, although I haven't really gotten the chance yet to see what she'll do now. Where do these mythical 15-25 hp come in the rev range?
Also, should I reset the engine computer even though the check engine light did not come on? Thanx
Also I have not noticed any significant power gains, although I haven't really gotten the chance yet to see what she'll do now. Where do these mythical 15-25 hp come in the rev range?
Also, should I reset the engine computer even though the check engine light did not come on? Thanx
07-26-2001, 01:11 AM
#2
Senior Member
Join Date: Jun 2001
Posts: 2,804
Originally posted by sleeperGXE
Installed the Y-pipe today, and it sounds great; a nice V8-sounding rumble. However, when I did a few quick revs of the engine while it was still up on jacks I noticed that the engine seemed to hesitate when returning to idle and was accompanied by a kind of paper-flapping sound. Any ideas?
Also I have not noticed any significant power gains, although I haven't really gotten the chance yet to see what she'll do now. Where do these mythical 15-25 hp come in the rev range?
Also, should I reset the engine computer even though the check engine light did not come on? Thanx
Installed the Y-pipe today, and it sounds great; a nice V8-sounding rumble. However, when I did a few quick revs of the engine while it was still up on jacks I noticed that the engine seemed to hesitate when returning to idle and was accompanied by a kind of paper-flapping sound. Any ideas?
Also I have not noticed any significant power gains, although I haven't really gotten the chance yet to see what she'll do now. Where do these mythical 15-25 hp come in the rev range?
Also, should I reset the engine computer even though the check engine light did not come on? Thanx
K
07-26-2001, 02:40 AM
#3
hey sleeper
yeah, reset the ecu. even if it doesnt throw a code, it might not recognise the additional flow. also give it a week or so to "break-in." after my first week or so, the wierd noises went away, the power was there, and i was good to go.
casey
yeah, reset the ecu. even if it doesnt throw a code, it might not recognise the additional flow. also give it a week or so to "break-in." after my first week or so, the wierd noises went away, the power was there, and i was good to go.
casey
07-26-2001, 09:03 AM
#4
Senior Member
Join Date: Dec 2000
Posts: 245
Paper-flapping sound = exhaust leak???
That's the way they sound to me...
The car should feel like 500lbs lighter right off the bat. That's what I felt when I swapped out mine. I also disconnected the battery the whole time I was working on it.
That's the way they sound to me...
The car should feel like 500lbs lighter right off the bat. That's what I felt when I swapped out mine. I also disconnected the battery the whole time I was working on it.
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