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Thread: how much clearance?
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09-21-2005, 06:02 PM #1
how much clearance?
i had that flat driver side ehaust pipe replaced with a 2 1/2 pipe...it was thuding really bad under normal acceleration, so i took it back and had the muffler shop make more clearance. It still does it but only at WOT....how much clearance do i need on top of the pipe? Right now i'd say there's about 1 1/2-2 inches. Do you guys with a aftermarket y-pipe have a prob like this also?
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09-21-2005, 06:51 PM #2
I had a custom 2 1/2" Y pipe fabricated to replace my flattened stock pipe on my stock height 01 Z28, and have had no issues with it at all, and it is tucked up pretty tight to the frame, I also have SLP 3 point bolt on subframe connectors, so it maybe the lack of body flex that keeps this from happening.
SteveC
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09-24-2005, 12:17 AM #3AzhigherGuestOriginally Posted by SeVeReDiStOrTiOn
Thats what I had done on my TD's and it worked like a charm. The thing doesn't move AT ALL. The flex is all in the hangers out back.
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09-24-2005, 12:20 AM #4BlackHawk T/AGuestOriginally Posted by Azhigher
I hope i'm making sense, its really late and im gonna pass out soon.
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09-24-2005, 03:37 PM #5Originally Posted by BlackHawk T/A
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09-24-2005, 05:15 PM #6
- Join Date
- Aug 2005
- Location
- Eglin AFB, FL
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- 45
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- 1998 Camaro SS M6 Hardtop
I've heard of people wraping header wrap around the y-pipe in the area that hits. I had the banging problem and I put in a poly trans mount and the banging went away. I suspected that maybe my rubber mount was broken though, so that may have been part of my banging problem anyway.
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09-24-2005, 05:24 PM #7
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- Sep 2005
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- hopewell jct, ny
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black 01 red 73- 01 z28 and 73 z28
anytime you connect an exaust part directly to the body you run the risk of sending engine vibration through the body(hence the use of rubber mounts on the exaust and motor) its just not installed right.the slp "oversized Y pipe" is ok. oh yea i hate that flat pipe and the way it hung down. the slp one looks so much better
Last edited by twozs; 09-24-2005 at 05:27 PM.
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09-24-2005, 08:30 PM #8
sweet...i'm gonna get the slp y-pipe and if that starts bangin i'll wrap it in header wrap. No it's not the trans mount, it's only been banging since i had the driverside pipe replaced
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09-25-2005, 09:16 AM #9
- Join Date
- Aug 2005
- Location
- Frisco, TX
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- 42
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- 28
Arctic White- '01 T/A Firehawk
The noise is caused from the engine torquing a slamming your y-pipe into the bottom of the car, that's why GM designed that side flat. What you can do is get a piece rubber fuel line and 2 short sheet metal screws and screw it in to the floorboard. Or just get out the BFH and pound out some room above the area, won't do anything inside the car and nobody will ever see it unless they are under your car.
BTW, I have a SLP y-pipe just sitting it my garage I'll sell you, 100 bucks +shipping.
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09-25-2005, 04:10 PM #10
ahh man...I already ordered the pipe the other day, otherwise i'd buy it from ya. I'm gonna try the header wrap...if that doesn't work i'm gonna try your rubber line idea...thnx
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