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#1 |
Registered User
Join Date: Jan 2003
Location: Central Cal
Posts: 124
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Exhaust cross over pipe
Just wanted to know the best place to put a cross over pipe in, closer to the headers or closer to the muffler? Also would this make the muffler a little Quieter? What do you guys think.
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__________________
69 Chevy Truck, 350, 400trans, Lowered 3.5/6, Disc brake conv, All early classic stuff. 62 Chevy Nova 350, 700R4, 2400stall, F9in, 3.70gear, AlburnPosi, Chevelle Disc Brakes, ect. |
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#2 |
Low & Slow
Join Date: Dec 2002
Location: Oklahoma
Posts: 1,047
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I would say about 3 feet from the back of you collectors would be fine. Yes it will be a little quiter also.
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70' C-10 LWB Fleetside 4.5/6 drop ![]() |
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#3 |
Registered User
Join Date: Jan 2003
Location: Central Cal
Posts: 124
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Thanks for the fast reply.
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69 Chevy Truck, 350, 400trans, Lowered 3.5/6, Disc brake conv, All early classic stuff. 62 Chevy Nova 350, 700R4, 2400stall, F9in, 3.70gear, AlburnPosi, Chevelle Disc Brakes, ect. |
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#4 |
Pronounced "Pew-al-up"
Join Date: Oct 2002
Location: Puyallup, Washington
Posts: 845
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I had my H-pipe installed to where I could drop the
tranny without having to drop the exhaust.
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Classic GM Trucks of Washington Club Member 1970 FS chevy,350/350, Edelbrock cam and intake. Holley 650 carb,HEI,AT,Tangier Orange, 18's, Power Locks, Truck Photos |
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#5 |
Senior Member
![]() Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,919
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What I've read, and I'm not claiming to be an expert, is that you should paint a line along the exhaust behind the collector. You run the engine, and where the paint stops burning off is where you put the crossover. I don't know how much difference it makes, though.
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I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man. - Thomas Jefferson |
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#6 |
Registered User
Join Date: Jul 2003
Location: So. Cal.
Posts: 389
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truckster is right. where the paint burns off is where you want to put the crossover. This is where the highest pressure area is. Ideally you would install an X pipe instead of an H pipe. An H pipe only helps at low rpms. An X pipe will gain you power across the whole rpm range, quiet the exhaust note, and get rid of the droning and the rasp of a 90 degree V8.
Check out http://www.drgas.com/
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1968 Chev SWB with 1998 Corvette LS1 305hp and 320 ftlb to the wheels (stock engine!) AEM EMS and wideband O2 sensors Bowtie Overdrive's 700R4, stage 3 Baer 4 wheel discs and 20s http://iciclelanding.com/aperture?album=2049&view=album |
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#7 |
Registered User
Join Date: Mar 2003
Location: Bremerton, WA
Posts: 1,839
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do a search
Now that Josh has the search feature fixed (thanks Josh), do a search on this subject. Someone had a great reply and included a lot of research on 1/4 mile times and decibal levels. As I recall, the X pipe is the way to go.
good luck, Scott
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Silence is golden, duct tape is silver. - Scott |
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#8 |
Registered User
Join Date: Mar 2003
Location: Bremerton, WA
Posts: 1,839
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the link
http://www.boyleworks.com/ta400/psp/exhaust.html for some good cross over pipe research.
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Silence is golden, duct tape is silver. - Scott |
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